Jurnal Pertanian Tropik

Effect of Different Doses and Sources of Potassium Fertilizer on Growth Rate and Time of Bulb Formation of Garlic (Allium sativum L.)

2020-04-12T08:43:54+07:00

The purpose of this research was to assess the effect of different potassium doses and fertilizer sources on growth rate and time of bulb formation of garlic (Allium sativum L.). The research was conducted in April to Agustus 2019 in Sidomukti Village, Bandungan District, Semarang Regency and at Ecology and Crop Production Laboratory, Faculty of Animal and Agricultural Sciences, Diponegoro University, Semarang. The research used a factorial randomized block design with three groups. The first factor was the dose of potassium fertilizer which consisted of a dose of 60 kg K₂O/ha, 120 kg K₂O/ha, 180 kg K₂O/ha, and 240 kg K₂O/ha. The second factor was the source of potassium fertilizer which consisted of KCl, ZK, and KNO₃. Parameters that collect were time of bulb formation, growth rate, relative growth rate, and potassium absorption of bulb. The data obtained were analyzed by analysis of variance and obtained further by the Duncan test (Duncan's Multiple Range Test) at a significance level of 5%. The results showed that the application of ZK and KNO₃ fertilizers at 240 kg K₂O/ha had been able to increase the growth rate and the relative growth rate. The higher dose of fertilizer was increasing of potassium absorption of the bulb and made time of bulb formation getting slower.

References

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Shafeek, M. R., Nagwa, M. H., Singer, S. M., & El-Greadly, N. H. (2013). Effect of potassium fertilizer and foliar spraying with Ethereal on plant development, yield, and bulb quality of onion plants (Allium cepa L). Journal of Applied Sciences Research, 9(2), 1140-1146.

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Suminarti, N.E. (2010). The Effects of N and K Fertilization on the Growth and Yield of Taro on Dry Land. Akta Agrosia, 13(1), 1–7.

Uke, K. H. Y., Barus, H & Madauna, I. W. (2015). Effect of Tuber Sizes and Potassium Dosages on Growth and Production of Shallots var. Lembah Palu. Jurnal Agrotekbis, 3(6), 655 - 661.

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Application of Compost Leaves of Sengon Fertilizer (Paraserianthes Falcataria L.) as Substitution of Inorganic Fertilizer on The Growth and Production of Two Varieties of Soybean (Glycine Max L.)

2020-04-12T08:58:46+07:00

ABSTRACT

This study was aimed to examine the effect of the substitution of compost leaves of sengon (Paraserianthes falcataria L.) on inorganic fertilizer on the growth and production of two varieties of soybean (Glycine max L.). The study was conducted on January to April 2019 at greenhouse, Laboratory of Ecology and Plant Production, Faculty of Animal and Agricultural Science, Diponegoro University. A completely randomized design (CRD) with 5 replications was used throughout the study. The first factor consisted of no compost and an inorganic fertilizer substitution, 25%, 50%, 75%, 100% compost substitution, respectively, and 100% of inorganic fertilizers. The second factor was two soybean varieties, namely detam 3 prida and malica. The parameters observed were number of branches, number of trifoliate leaves, number of pods, number of seeds, seed weight, the 100-seed weight. Data were analyzed using ANOVA and continued with the Duncan's Multiple Range Test at a significant level of 5%. The results showed that the dose of compost substitution affected the parameters of the number of branches, number of pods and number of seeds significantly. Soybean detam 3 prida varieties showed a significant effect on the number of branches and the 100-seed weight, while malika varieties showed a significant effect on the number of pods. Substitution dose of 75% compost (26.19 N/ha) showed the highest results on the parameters of the number of branches, number of pods, number of seeds, weight of seeds and the 100-seed weight, and resulted as the highest yield compared to no substitution on all plant parameters. On the basis of the data found throughout the experiment may be concluded that 75% compost of leaves sengon was the most suitable doses to be applied at the cultivation of soybean especially varieties of detam 3 prida and malica.

Keywords: compost, detam, malika, soybean

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Food Crop Land Use Planning in Banggai Regency

2020-04-12T08:45:47+07:00

Land used to plan to be implemented by considering the appropriateness of existing commodity land needs to be managed to provide information about the appropriateness of specific commodity lands for increasing income and regional development. so this research aims to find out what crop commodities are superior and the carrying capacity of land towards food crop agriculture and to direct the allocation of food crop agricultural land in Banggai Regency. The data analysis used the economic approach of the landfill is an analysis of Localization, Specialization, Basis for determination Leading commodities, Land Suitability analysis for land resource potential analysis. The results showed that localization of eight food commodities that spread throughout the study area while the special or typical food crops namely field rice, corn, and cassava as well as bases in this region, namely, field rice and corn 15 districts (65.2%), cassava 13 districts (56.5%). Furthermore, based on the calculation of the carrying capacity of paddy, peanuts and green beans that experienced a "deficit", corn, soybeans, cassava, and sweet potatoes experienced a "surplus" and land suitability ie quite suitable (S2) and marginal appropriate (S3). Then the directions for allocation of paddy rice directed to 4 sub-district (West Toili, Moilong, Batui, Masama); rice field to 4 sub-district (Batui, Pagimana, Bualemo, and Lamala); corn in the 3 sub-district (Nuhon, Simpang Raya and Pagimana); peanut in the 3 sub-district (West Toili, Bunta and North Balantak); kedelei directed (Bualemo District sub-district); cassava is directed towards the sub-district (Bunta, Nuhon and Bualemo); and sweet potatoes in sub-districts (Nuhon, Simpang Raya and Lamala).

Survey and Mapping of P Nutrient Status on Paddy Land in Aek Simare Irrigation Area, Laguboti District, Toba Samosir Regency, Northern of Sumatera, Indonesia

2020-04-12T08:46:46+07:00

The research aims to a mapping of nutrient status available phosphate and total phosphate in the Aek Simare Irrigation Area Laguboti District Toba Samosir Regency. This research was conducted at the Testing Laboratory of Agricultural Technology Research Center in North Sumatera Province. Which began in Mey to June 2019. The method used is the Free Grid Survey detailed level survey and analysis of nutrient data available phosphate by Bray I method, total phosphate by acid destruction method, and then interpret to the map nutrient status. The result of research showing that status available phosphate classified by 3 statuses such as medium (3,99 ha), high (44,26 ha), and very high (71,75 ha). Total phosphate classified in 4 nutrient status such as low (0,004 ha), medium (67,37 ha), high (45,316 ha) and very high (7,31 ha). Available phosphate and total phosphate are very related to increasing rice production in the Aek Simare Irrigation Area Laguboti District Toba Samosir Regency, Northern of Sumatra, Indonesia

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Husnain. 2010. Loss of Nutrients Due to Burning Rice Straw and Potential of Environmental Pollution. Soil Research Institute. Published Paper at the Proceedings of the National Seminar.

Soil Research Institute. Published Paper at the Proceedings of the National Seminar Agricultural Land Resources. Bogor, 30 November - 1 December 2010.

Revenue Performance of Sweet Corn (Pioneers) and Hybrid Corn (Bisi-2) Farmers in Pukdale Village, East Kupang District, Kupang Regency

2020-04-13T14:55:08+07:00

Limited land owned by farmers which in the same land farmers grow 2 types of maize with different time, namely sweet corn and hybrid corn within 1 year. In the dry season farmers grow hybrid corn and in the rainy season farmers grow sweet corn. Farmers capital for purchase production facilities, especially for the purchase of seeds, fertilizers, and medicines whose prices are getting higher and higher, in addition to the price of corn and hybrid corn which always increases fluctuations, and in terms of cost and time of hybrid corn is higher than sweet corn. This will have an impact on income obtained by farmers. Sampling in this study was carried out by proportional random sampling. Determination of a large sample for the participation of smaller than 10000 can use the Slovin formula (Soekidjo, 2003) with the formula, to answer the objective, it can be used an analysis using total corn farming with total corn farming at one planting season, and to answer the purpose of both methods used using Gross Profit Margin. The results showed that the total income of hybrid maize and sweet corn in the research location was IDR.49.425.000 with an average income per respondent of IDR.852.155 / season and the average income per hectare was IDR. 1.433.855 / season. While the total income of sweet corn farming obtained by respondent farmers is IDR.55.383.000 with an average income per respondent is IDR. 1.065.057 / season and the average income per Ha is IDR. 3.018.147 / season. The percentage of gross profit margin shows that the percentage of sweet corn of 20.63% is received within 2 months and while hybrid corn is 23.20% received within 3 months.

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Providing azolla and goat manure to increase nutrient N and growth of lowland rice (Oryza sativa L.)

2020-04-12T08:49:45+07:00

One of the problems in the paddy field is the lack of availability of nutrient N in paddy soil, it can be overcome by giving azolla and goat manure. The aimis to determine the effect of giving azolla and goat manure for increasing the nutrient N and the growth of rice plants. This research used factorial Random Group Design (RAK) with two treatment factors and three replications. The first factor is azolla dose (0, 7 tons / ha) and the second factor is goat manure dose (0, 5, 10, 15 tons / ha). This research is implemented in the greenhouse of the Faculty of Agriculture, University of North Sumatra, Medan. The result of the study indicated giving of azolla increased C-organic, N-total, N content, and N uptake of plant. Giving goat manure at a dose of 15 tons/ha increased C-organic, number of tillers, canopy dry weight, root dry weight, N content of N uptake. Providing azolla and goat manure 5 tons/ha the highest increased N uptake of plants and growth of lowland rice plants.

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Rauf, A. W., Syamsuddin., S. R. Sihombing. 2000. Role of NPK Fertilizers in Rice Plants. Agriculture department. Agricultural Research and Development Agency. West Koya Agricultural Technology Study Workshop. Irian Jaya.

Setiawati M. R. 2014. Increased N and P Content of Soil and Paddy Rice Results Due to Application of Azolla and Biotertilizer Azotobacter chroococcum and Pseudomonas cepaceae. Faculty of Agriculture. Padjadjaran University. Bandung.

Setyorini, D ,. Sri, R, .and Irsal, L. 2010. Agriculture in Wetland Ecosystems in Reversing the Degradation of Land Resources and Water Degradation. Agricultural Research and Development Agency. Ministry of Agriculture.

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Syamsiah, J., Hendro., B.S., and Mujiyo. 2016. Potential of Azolla as Substitution of Manure on Organk Rice Cultivation. Soil Science Study Program, Faculty of Agriculture, Sebelas Maret University. Surakarta

The Growth and Yield of IPB 3S Rice Variety With NPK and Rice Straw Compost

2020-04-12T14:33:02+07:00

To minimize the use of inorganic fertilizers is by giving rice straw compost to the soil. The rice straw compost is a potential organic material for lowland rice plants. This study was aimed to determine the effect of the combination of NPK fertilizer and rice straw compost on the growth and yield of IPB 3S rice variety. This research was carried out on farmers' land in Dowiwi village, Simpang Raya sub-district, Banggai district. The study used a factorial randomized block design with two factors. Factor A (NPK) consisting of four levels namely A1 (62.5 kg / ha), A2 (125 kg / ha), A3 (187.5 kg / ha) and A4 ( 250 kg / ha). Factor B of rice straw compost (B) consisting of four levels, namely B1 (1.25 tons / ha), B2 (2.5 tons / ha), B3 (3.75 tons / ha), and B4 (5 tons / Ha). The results showed that rice straw compost can be increased plant height and 1000 grains weight. The interaction of NPK and rice straw compost (NPK 62.5 kg/ha + 5 tons/ha) was able to minimize the use of NPK fertilizer by 75% in panicle length and 1000 grains weight.

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Barus Y. (2012). Application of rice straw compost with different bio activators on the Growth and yield of the rice plants. Journal of Tropical Soils. 17(1): 25-29. Doi: 10.5400/jts.2011.17.1.25

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Effect of Chitosan and Biovermi Application on the Growth of Cherry Tomatoes (Lycopersicum esculentum Mill, var. Cerasiforme).

2020-04-12T14:34:11+07:00

Biovermi adalah pupuk hayati dengan menggunakan vermikompos sebagai bahan pembawa. Penelitian ini bertujuan untuk mengetahui dosis kitosan dan biovermi terbaik untuk meningkatkan pertumbuhan tanaman tomat ceri (Lycopersicum esculentum Mill, var. Cerasiforme). Rancangan yang digunakan pada penelitian yaitu rancangan acak kelompok faktorial yang terdiri dari 2 faktor dengan 3 ulangan. Faktor pertama kitosan yang terdiri dari 3 perlakuan yaitu : control (0 ppm); kitosan cangkang kepiting (250 ppm) dan kitosan jamur Syncephalastrum (250 ppm). Faktor kedua dosis biovermi dengan 4 taraf yaitu : 0; 50; 100 dan 150 g tanaman^-1. Hasil penelitian menunjukkan bahwa pemberian kitosan tidak memberikan pengaruh yang nyata secara statistik terhadap perubahan tinggi tanaman, jumlah daun, diameter batang, bobot kering tajuk, bobot kering akar, serapan N dan populasi mikroba. Pemberian biovermi dengan dosis 150 g tanaman^-1 berpengaruh nyata meningkatkan tinggi tanaman, jumlah daun, diameter batang, bobot kering tajuk, bobot kering akar, serapan N dan populasi mikroba. Interaksi pemberian kombinasi kitosan dan biovermi tidak memberikan pengaruh yang nyata pada tinggi tanaman, jumlah daun, diameter batang, bobot kering tajuk, bobot kering akar, serapan N dan populasi mikroba.

Growth and production response of mung bean (Vigna radiata L) by application of mycorriza and Penicillium sp in paddy lands

2020-04-12T14:35:25+07:00

ABSTRACT

This study aimed to evaluate the effect of mycorrhiza and Penicilliumsp on the growth and production of mung beans in paddy land. The design of this experimental research was a factorial Randomized Block Design (RBD) with 2 factors and 3 replications. The first factor was the dosage of mycorrhiza consisting of 0 g/plant; 5 g/plant; 10 g/plant; and 15g/plant. The second factor was the type of phosphate solubilizing microbes consisting of withoutPenicilliumsp; Penicilliumspfrom Mursala island (20 ml/plant); Penicilliumsp collection taken from soil biology laboratory of faculty of agriculture USU (20 ml/plant). The results showed that the dosage of Mycorrhiza and Penicilliumsp were not significantly affected the height of mung bean plants, however, it significantly affected the population of Penicillium sp. The application of 15 g Mycorrhiza with Penicilliumsp from Mursala was the best treatment for the growth of mungbean plants at 4 weeks after planting (42.98 cm) and the interaction of Mycorrhiza15 g/plant and PenicilliumspMursala produced the best seeds/plant of 16.76 g/plant.

REFERENCES

Adiningsih, S. 2004. Nutrient dynamics in soil and nutrient uptake mechanisms. Soil Research Center. Ministry of Agriculture. Jakarta.

Badan Pusat Statistik. 2016. Production of Cassava and Green Beans by Province in 1993-2015. Jakarta.

Budiman, A. 2004. Application of Cashing and Arbuscular Mycorrhizal Fungi on Ultisols and the Effects on the Development of Soil Microorganisms and the Result of Semi Corn (Zea mays L.). Thesis of the Faculty of Agriculture. Andalas University. Padang.

De datta, S.K. 1990. Principle and Practice of Rice Production. New York.

Dobermann, A. and T. Fairhurst. 2000. Rice, Nutrient disorders and nutrient management. IRRI and Potash and PPI/PPIC. Manila, Philipina.

Fitriatin, B. M., A. Yuniarti., O. Mulyani., F. S. Fauziah., dan M. D. Tiara. 2009. Effect of Microbial Solvents on Phosphate and Fertilizer P on Available P, Phosphatase Activity, P on Plants and Upland Rice Results on Ultisol. Agriculture Journal20 (3) : 210 – 215.

Harahap, F.S. 2009. Pengujian pengolahan tanah konservasi dan inokulasi mikoriza terhadap sifat fisik dan kimia tanah serta produksi beberapa varietas kacang tanah (Arachis hypogaea. L) Universitas Sumatra Utara Medan. Skripsi.

Hasanuddin and Bambang. G. M. 2004. Utilization of phosphate and mycorrhizal microbial solvents to repair available phosphorus, soil phosphorus uptake (ultisol) and maize yields (on ultisol). Journal of agricultural sciences Indonesia, 6 (1): 8 – 13.

Husin, E.F. 2000. Fungus Arbuskula Mycorrhiza. Andalas University Faculty of Agriculture. Padang.

Illmer, P. and F. Schinner. 1992. Solubilization of inorganic phosphate by microorganisms isolated from forest soils. Journal Soil Biology Biochem, 24 (4): 389 – 395.

Sastrahidayat, R. 2011. Science of fungi (Mycology). Universitas Brawijaya Press. Malang.

Sembiring and Fauzi. 2017. Bacterial and Fungi Phosphate Solubilization Effect to Increase Nutrient Uptake and Potatoes (Solanum tuberosum L.) Production on Andisol Sinabung Area. Journal of Agronomy 16 (3) : 131 – 137.

Sitrianingsih. 2010. The Effect of Arbuscular Vesicular Mycorrhiza Inoculation on the Growth of Pandak Pule Seedlings (Rauvolfia verticillata Lour.) Publication Text. Biology Department Faculty of Mathematics and Natural Sciences Sebelas Maret University Surakarta.

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Susanti, R., Afriani, A., Harahap, F.S., Fadhillah, W., Oesman, R. and Walida, H., 2019. Application Micoriza and Baean Varieties by Conservation Tillage for Biological Soil Properties Improvement. Jurnal Pertanian Tropik, 6 : 34-42.

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Syawal, F., Rauf, A., Rahmawaty, R. dan Hidayat, B. 2017. Pengaruh Pemberian Kompos Sampah Kota Pada Tanah Terdegrdasi Terhadap Produktivitas Tanaman Padi Sawah Di Desa Serdang Kecamatan Beringin Kabupaten Deli Serdang. Dalam Prosiding SEMDI-UNAYA (Seminar Nasional Multi Disiplin Ilmu UNAYA) (Vol. 1, No. 1, pp. 41-51).

Wakelin, S.A, V.V.S.R. Gupta, P.R Harvey, and M.H. Ryder. 2007. Commonwealth Scientific and Industrial Organisation (CSIRO) Land and Water, PMB 2, Glend Osmon, SA 5064, Australia.

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Water use efficiency and nutrient uptake of rice under soil water stress condition

2020-04-12T14:36:42+07:00

One obstacle that can limit the growth and production of rice is low water availability. Therefore, a comprehensive study of the response of rice plants to drought is very important. The study was conducted in the greenhouse of the Faculty of Animal Husbandry and Agriculture, Diponegoro University, from April to August 2016. The study used a 3 x 3 factorial design with 3 replications. The first factor is three types of rice (Sidenuk, Way Apo Buru, Pepe) and the second factor is water stress treatment (KA <field capacity = enough water, field capacity (KL), water saturation (JA). The observed parameters are protein content, leaf levels rolling (number of leaves rolled), relative water content (RWC), water use efficiency (WUE), N, P, K uptake, rice protein content decreases with increasing water supply. The relative water content of rice plants decreases with increasing stress water that occurs in the limited water supply for the three types of rice Sidenuk rice has the lowest N seed content (2.1%) compared to Way Apo (3.0%) and Pepe (3.1%). The mineral content of P in both biomass and seeds is not really influenced by water stress, as well as K content of seeds.

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Badan Pusat Statistik. 2018. https://www.bps.go.id/dynamictable/2019/04/15/1608/luas-panen-produksi-dan-produktivitas-padi-menurut-provinsi-2018.html

Darwesh, R, S,S. 2013. Improving growth of date palm plantlets grown undersalt stress with yeast and amino acids applications Annals of Agricultural Science (2013) 58(2), 247–256

Etienne P.I.D, S. Diquelou , M. Prudent, C. Salon., A. Maillard, and A.Ourry. 2018. Macro and Micronutrient Storage in Plants and Their Remobilization When Facing Scarcity: The Case of Drought. Agriculture 2018, 8, 14; 2-17. doi:10.3390/agriculture8010014

Farooq, M., S.M.A.Basra, A. Wahid, Z.A.Cheema, M.A.Cheema, A.Khaliq. 2008. The physiological role of exogenously applied glycine betaine in improving drought tolerance of fine grain aromatic rice (Oryza sativa L.).Journal of Agronomy & Crop Science, 194: 325-333.

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Gholinezhad, E., A.Ayanaband, A. H. Ghorthapeh, G.Noormohamadi, I.Bernousi.2009. Study of the Effect of Drought Stress on Yield, Yield Components, and Harvest Index of Sunflower Hybrid Iroflor at Different Levels of Nitrogen and Plant Population. Not. Bot. Hort. Agrobot. Cluj 37 (2) 2009, 85-94

Kivuva, B.M. , S.M. Githiri, G. C. Yencho, J.Sibiya.2015. Screening sweet potato genotypes for tolerance to drought stress. Field Crops Research 171 (2015) 11–22

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Nazar, R., S. Umar, N.A. Khan, O. Sareer. 2015. Salicylic acid supplementation improves photosynthesis and growth in mustard through changes in proline accumulation and ethylene formation under drought stress. South African Journal of Botany 98 (2015) 84–94.

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Parameters in Response to Different Water Deficits in Wheat Cultivars. Plant Prod. Sci. 14(3): 254―259 (2011)

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Cellulolytic Bacteria Degradation DNA Isolation from Acid Soil Molecularly

2020-04-13T14:27:48+07:00

AbstractCellulolytic degradation bacteria are microorganisms that are abundant in nature which can break down raw fibers of organic waste into compost. The purpose of this study was to obtain superior cellulolytic bacteria to degrade organic waste into compost and obtain permanent species and strain. The method used is DNA isolation by culturing bacteria with Luria Bertani (LB) media, quality and quantity analysis using DNA electrophoresis isolation technique visualized by electrophoresis technique followed by testing with Polymerase Chain Reaction (PCR) technique. Isolated DNA was amplified using a primer combination designed from the 16S rRNA gene sequence. The primary combinations used are 27F (5 '-AGAGTTTGATCMTGGCTCAG-3') and 1525R (5 '-AAGGAGGTGWTCC-ARCC-3'). Analysis of sequence data is compared with gene sequences that have been deposited into the public database in silico using the BLAST program conducted online on the NCBI website (National Center of Biotechnology Information). The results obtained by visualization of electrophoresis from isolation of DNA 6 isolates of cellulolytic bacteria M = λ DNA 50 ng / µl; 1 = KM25, 2 = SR75, 3 = JM, 4 = U6,5 = G8,6 = K13. DNA concentrations obtained from 6 isolates were quite high, ranging from 34.4 to 69.9 ng / µL. The results of the 6th PCR amplification were 6 isolates namely KM25, SR75, JM, G-8, KM13, AND U-6. In general, the six selected cellulolytic bacterial isolates belong to the genus Bacillus. Phylogenetic analysis using Boostrap 1000 x. The six selected bacterial isolates analyzed separated and formed two main clusters: the first cluster which included Bacillus thuringensis and Bacillus cereus and the Bacillus Subtilis cluster. The conclusion of the 6 isolates sequencing was KM13 (Bacillus thuringensis), G8 (Bacillus cereus), Sr75 (Bacillus cereus), JM (Bacillus subtilis), KM25 (Bacillus subtilis), U6 (Bacillus subtilis).

REFERENCES

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Ariwibawa, Nugraha 2004. Erodibilitas Tanah Di Kecamatan Jogorogo Kabupaten Ngawi Propinsi Jawa Timur. Skripsi. Surakarta : Fakultas Geografi UMS

Feliatra. 2004. Isolasi dan Identifikasi Bakteri Probiotik dari Ikan Kerapu

Macan (Ephinephelus fuscogatus) dalam Upaya Efisiensi Pakan Ikan. Jurnal Natur Indonesia. 6 (2): 74-81.

Hazar, M., Salim, M., dan Mardiah, E. 2015. Keberadaan Escherichia Coli Resistan Antibiotik Pada Ikan Balang (Pristolepis Fasciata) Di Sungai Batang Arau Jurusan Kimia, Fakultas MIPA, Universitas Andalas Limau Manis, Padang.

Hidayat P, Aidawati N, Hidayat SH, Sartiami D. 2008. Tanaman indikator dan teknik RAPDPCR untuk penentuan biotipe Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae). Jurnal Hama dan Penyakit Tumbuhan Tropika 8:1–7.

Huda, B.I. 2010. Koleksi dan Identifikasi Bakteri Selulolitik dari Kawah Gunung Merapi Berdasarkan Analisis Sekuens Gen Pengkode 16S-rRNA. Skripsi Fakultas Pertanian Unand. 16 Halaman

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Samah E. dan Misdawati. 2019. Isolation of Cellulose Degradation Bacteria (CDB) from acid soil. Jurnal Tropika USU. Vol.6.No3. ISSN NO: 2356- 4725/p- ISSN : 2655-757. https://talenta.usu.ac.id/jpt.

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Trisnawati E, Andesti D, Saleh A. 2013 Pembuatan Kitosan Dari Limbah Cangkang Kepiting Sebagai Bahan Pengawet Buah Duku Dengan Variasi Lama Pengawetan”, Jurnal Teknik Kimia No. 2, Vol. 19,

Walida, H., Harahap, F.S., Hasibuan, M. and Yanti, F.F., 2019. Isolasi dan Identifikasi Bakteri Penghasil IAA dan Pelarut Fosfat dari Rhizosfer Tanaman Kelapa Sawit. BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan), 6(1), pp.1-7.

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Wowrik B, Kerkhof L, Zylstra GJ, Kukor JJ. 2005. Identification of unique type II Polyketide synthase gene is soil. Appl Environ Microbiol. 71(5):2232-2238. doi: 10.1128/ AEM.71.5.2232-2238.2005.

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The Effect Cytokinin Aplication and Kosarmas Fertilizer on Rice Seed Filling Impari Sembilan in Pintupadang.

2020-04-13T14:29:23+07:00

Impari Sembilan is one of the superior varieties used in Pintupadang. This seedling is one of the superior varieties produced from an agricultural hall in Indonesia. Rice productivity efforts can be increased by using superior varieties administration of growth regulators. Cytokines application a role in the formation of grains and root during the initial process of grains development, affect the percentage of seed and will affect the yield. kosarmas fertilizer is an organic fertilizer from cow dung, charcoal, candlenut shell and golden snails as organic fertilizer which improves soil physic. The purpose of the study was to evaluate the effect of cytokynins and KOSARMAS fertilizer on wet weight, dry weight, seed filling of Impari rice plants. This study used a completely randomized design with two factors, namely the cytokinin concentration of 0,10,25,50 ppm and Kosarmas liquid fertilizer concentration of 0,20,30,50 ml. Based on the analysis of error variance of 5%. Cytokinin at a concentration of 50 ppm increased the height of Impari rice stalks while cytokinin applied at a concentration of 25 ppm increased, the amount of fresh weight of 100 rice seed, dry weight of sed. A dose of 30 ml kosarmas fertilizer increases the total amount of panicle grain.

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Shah, S.H.2006.The response of nigella Sativa L.to foliar application of gibberellic acid and kinetin.Biol.Plant.In Press.

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Effect of Indol Butyric Acid (IBA) on the Growth of Dragon Fruit Cuttings (Hylocereus costaricensis)

2020-04-13T14:30:48+07:00

The difficulty of root formation cuttings dragon fruit plants is influenced by several factors; The first disease that often occurs is a rotten stem. This disease usually strikes in early planting dragon fruit, dragon fruit plants often have decay at the base of the stems, there are brown and white fur. The decay caused by excessive soil moisture so it appears that the fungus that causes rot (Sclerotium rolfsii sacc). Both the stem to rot can also be caused when the rod directly planted, the sap is still wet rot can give effect to the dragon fruit cuttings. One attempt to increase the percentage growth of cuttings is using Indol Butyric Acid (IBA), which is a type of plant growth regulator that is used to stimulate root formation. The aim of this study was to investigate the effect of indole butyric acid (IBA) on the growth of stem cuttings of red dragon fruit (Hylocereus costaricensis). This research was conducted at the village Sidorukun, District Pangkatan, Labuhan Batu Regency, with a height of ± 39 m asl, from July to September 2016. The research design used in this study is a randomized block design with 5 treatments the concentrations of the hormone IBA consists of A0: 0 ppm, A1: 4000 ppm, A2: 5000 ppm, A3: 6000 ppm, A4: 7000 ppm and 5 replicates so that there are 25 total plot trials. Parameters observed that the percentage of the emergence of shoots, age appeared shoots, shoot length (cm), fresh weight of shoots (g), dry weight of shoots (g), root length (cm), fresh weight of the root (g), the volume of roots (g), root dry weight (g). Data were analyzed using linear models continued with Duncan test. The results obtained showed that the administration of Indole butyric acid (IBA) significantly affected the percentage of observation parameters appear buds, shoots emerging age, number of shoots, root length, fresh weight of root, root volume, and root dry weight. But it did not affect the parameters of observation shoot length, fresh weight of shoots, and buds dry weight.

Keywords: dragon fruit plants (Hylocereus costaricensis), Indole butyric acid (IBA), cuttings, growth.

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Shofiana, A., Rahayu, Y S, Budipramana, L, S, 2013. Pemberian beberapa konsentrasi IBA (Indole Butiryc Acid) Pada Pembentukan Akar Setek Tanaman Buah Naga. Jurnal Lentera Bio Vol. 2 No.1 Januari 2013;101-105. ISSN : 2252-3979

Seran. H. T dan Thiresh. A. 2015. Root and Shoot Growth of Dragon Fruit (Hylocereus undatus) Stem Cutting as Influence by indole Butyric Acid. Agricultural and Biological Sciences Journal Vol, 1 No, 2 2015. American Institue of Science.

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Study of Ms Media With Addition Of Auxins And Cytokinin on Growth and Development of Arr (Arenga Pinnata (Wurmb) Merr.) Culture.

2020-04-13T14:32:52+07:00

Aren has an important role as a biofuel producer, so research is needed for the development of this plant. This research has been carried out in the Tissue Culture Laboratory of the Department of Agrotechnology, Faculty of Agriculture, Muhammadiyah University, North Sumatra, from October 2017 to September 2018. This study aims to obtain a combination of concentrations of growth regulators of curcumin and cytokines which are best for increasing plant population in vitro culture. , as well as to produce large quantities of quality plantlets in a relatively short time. Experiments in the form of a Completely Randomized Design (CRD) were repeated 3 times with 5 samples of each treatment to obtain 105 units of experimentation. The first series experiment was the regeneration stage, shoot tip results were cultured on WPM media with a concentration of 0.25 ppm + 1.0 ppm Kinetin which was used as explants. Furthermore, the shoots were regenerated in the WPM medium with the treatment of concentration of growth regulators of auxin and cytokinin which consisted of 7 treatment levels, namely (E0) 0.00 ppm NAA + 0.00 ppm BAP, (El) 0.00 ppm NAA + 0.25 ppm BAP, (E2) 0.50 ppm NAA + 0.00 ppm BAP, (E3) 0.50 ppm NAA + 0.50 ppm BAP, (E4) 0.00 ppm NAA + 0.75 ppm BAP, (E5) 0.50 ppm NAA + 0.75 ppm BAP, (E6) 1.00 ppm NAA + 1.00 ppm BAP. From the observed variables, the percentage of live explants and percentage of explants forming callus the best results were found in a combination of 1.00 ppm NAA + 1.00 ppm BAP (E6) concentration.

References

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Harahap, P., Harahap, E.M., Harahap, D.E. and Harahap, F.S., 2018. Eksplorasi dan Identifikasi Tanaman Aren (Arenga pinnata Merr) di Kabupaten Tapanuli Selatan. Jurnal Pertanian Tropik (Indonesian Tropical Agriculture Journal) accredited by KEMENRISTEK DIKTI No: 21/E/KPT/2018, 5(3, Dec), pp.423-427.

Harahap, P., Harahap, M.K. and Harahap, F.S., 2019. Identifikasi Karakter Fenotip Daun Tanaman Aren (Arenga pinnata Merr) di Kabupaten Tapanuli Selatan. Jurnal Pertanian Tropik (Tropical Agriculture Journal) accredited by KEMENRISTEK DIKTI No: 21/E/KPT/2018, 6(3, Dec), pp.472-476.

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Julianti, Reine Suci Wulandari, dan Herlina Darwati. 2013. Penambahan NAA dan BAP Terhadap Multiplikasi Subkultur Tunas Gaharu (Aquilaria Malaccensis Lamk). Jurrnal Hutan Lestari.

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Masyudi, M.F. 1992. Pengaruh zat pengatur tumbuh 2,4- D dan BAP pada kultur jaringan biji padi rnasak panen, dalam; Bulettin Pertanian. Jakarta. 12 (1). P: 1 -7.

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Nisak, K., Tutik Nurhidayati, dan Kristanti I.Purwani. (2012). Pengaruh Kombinasi konsentrasi ZPT NAA dan BAP pada Kultur Jaringan Tembakau Nicotiana tabacum var. Prancak 95. Jurnal Sains Dan Seni Pomits

Saleh MS, Wardah. 2010. Perkecambahan benih aren dalam kondisi terang dan gelap pada berbagai konsentrasi GA3. J. Agrivigor. 10:18-25.

Satria, B. 1995. Perbanyakkan manggis (Garcinia mangostana L.) dengan menggunakan eksplan hipokotil .pada kombinasi dosis arang aktif dengan komposisi konsentrasi BAP dan NAA secara in vitro. Universitas Andalas Padang. 105 hal.

Sirait D. 2010. Pengaruh skarifikasi bagian-bagian benih dan konsentrasi asam giberelat (GA3) terhadap perkecambahan benih aren (Arenga pinnata L.) [Skripsi]. Medan (ID): Universitas Sumatera Utara.

Usman MA. 2006. Pengaruh tingkat kemasakan dan pematahan dormansi benih aren (Arenga pinnata (Wurmb.) Merr.) pada kondisi media yang berbeda [Skripsi]. Bogor (ID): Instititut Pertanian Bogor’

Wattimena GA. 1988. Zat Pengatur Tumbuh Tanaman. Bogor (ID): Pusat Antar Universitas (PAU) IPB.

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Widyawati N, Tohari, Yudono P, Soemardi I. 2009. Permeabilitas dan perkecambahan benih aren (Arenga pinnata (Wurmb.) Merr). J. Agron. Indonesia. 37:152-158.

The effect of Giberelin on seed germination of Lokananta Varieties in Vitro

2020-04-13T14:42:22+07:00

Lokananta varieties are one of the best vegetables in Indonesia. The aim of this research is to find out the influence of Giberlin on the formation of red onion buds for superfruit in vitro. The research was carried out in the Laboratory and Garden Experiments of Panca Budi Development University, Medan, which began in March until January 2019. The research was using a non-factorial Complete Design (RAL) non-factorial analysis, which was analyzed using the analysis of the data obtained, with the analysis of the data obtained. germination (%), number of leaves (cm), number of roots (fruit). and root length (cm) have no effect.

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Badan Pusat Statistik. 2014. Produksi Bawang Merah Sumatera Utara. Biro Statistik Sumatera Utara, Medan.

Elfianis, R, S. Hartina, I. Permanasari dan J. Handoko. Pengaruh Skarifikasi dan Hormaon Giberelin (GA3) Terhadap Daya Kecambah dan Pertumbuhan Bibit Palem Putri (Veitchia meerilli).

Harahap, F. 2011. Kultur Jaringan Tanaman. Penerbit Unimed, Medan. Heddy, S. 1986. Hormon Tumbuhan. CV Rajawali. Jakarta.

Iriani Enndang. 2013. Prospek Pengenbangan Inovasi Teknologi Bawang Merah di Lahan Sub Optimal (Lahan Pasir) Dalam Upaya Peningkatan Pendapatan Petani. Balai Pengkajian Teknologi (BPTP) Jawa Tengah.

Lakitan, B. 1996. Fisiologi Pertumbuhan dan Perkembangan Tanaman. PT Raja Grafindo Persada. Jakarta.

Luta, D.A., Siregar, M., Sabrina, T. and Harahap, F.S., 2020. Peran Aplikasi Pembenah Tanah Terhadap Sifat Kimia Tanah Pada Tanaman Bawang Merah. Jurnal Tanah dan Sumberdaya Lahan, 7(1), pp.121-125.

Pavlista, A.D., K. Santra, and D.D. Baltensperger. 2013. Bioassay of winter wheat for gibberellic acid sensitivity. Am. J. of Plant Sci., 4:2015-2022.

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Surajudin As’ad., R. Yusuf, dan H. Mas’ud. 2015. Respon Tanaman Bawang Merah (Allium Ascalonicum L.) Varietas Lembah Palu Terhadap Pemberian Jenis Mulsa Dan Pupuk Organik Cair.

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Growth response of shallot (Allium ascalonicum L.) varieties on municipal waste compost application

2020-04-13T14:45:09+07:00

Growth of shallot plants could be increased through good plant cultivation such as using organic materials that can improve physical, chemical and biological properties in the soil and contain macro and micronutrients so that organic matter is needed in the form of municipal waste compost. The research objective was to study the responsiveness of the growth of onion varieties due to the application of municipal waste compost. This research was carried out in the Bandar Senembah village Binjai district Barat in February-March 2019. The study used a randomized block design (RAK) with 2 factors and 3 blocks. The first factor is the variety (V) and the second factor is Municipal waste compost (K). The results showed that that the best varieties are varieties Bima Brebes. Where the variety showed the highest leaf length per sample and highest number of tillers per sample while the application of municipal waste compost does not show a significant effect on parameters of leaf length per sample but for the number of tillers per sample shows a significant effect where the best results in the application of 3 kg/m² (plot) municipal waste compost.

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Hanpen Fish Cake, Rough Flathead (Grammoplites scaber) Diversification Product

2020-04-11T13:55:08+07:00

ABSTRACT

Rough flathead (Grammoplites scaber) is a non-economical and white-fleshed fish. It's suitable for fish-based processing products. Hanpen is one of the Japanese fish cake. Diversification of surimi-based Rough flathead becomes Hanpen. This research studied the consumer acceptance and chemical composition of Hanpen Rough flathead. The experimental methods are used in this research with 3 treatments and Deuteronomy, the addition of surimi Rough flathead A₁ = 100 g, A₂ = 150 g, and A₃ = 200 g. The randomized block data, ANOVA, was performed to analyze the data. The results showed that Hanpen Rough flathead product that can be accepted by panelists is A₂ treatment, which scores 7,28 at like level specification. The addition of surimi Rough flathead had a significant effect (p<0,05) on organoleptic test parameters (appearance, aroma, taste, and texture) and proximate tests (crude protein, crude fat, water content, ash content, and carbohydrate) to Hanpen. The highest value of proximate test for three treatments were crude protein = A₁ (5,36); carbohydrate = A₁ (11,36); crude fat = A₂ (0,39); water content = A₃ (83,67); dan ash content = A₂ (2,84).

References

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Damanik, M. R. S., Sriadhi, Habibi, M. R., & Harefa, M. S. (2018). Diversifikasi Pengolahan Ikan sebagai Upaya Peningkatan Ekonomi Masyarakat Nelayan Desa Bagan Serdang Kecamatan Pantai Labu Kabupaten Deli Serdang. Jurnal Pengabdian Kepada Masyarakat, 23(4), 455–459.

Diana, A., & Lubis, A. F. (2018). Peningkatan Potensi Ikan Baji - Baji ( Grammoplites scaber ) Dan Proporsi Bagian Tubuh Sebagai Sumber Bahan Baku. AGRINTECH: Jurnal Teknologi Pangan Dan Hasil Pertanian, 2(1), 14–22.

Ilza, M., & Siregar, Y. I. (2015). Sosialisasi penambahan minyak perut ikan jambal siam dan minyak ikan kerapu pada bubur bayi untuk memenuhi standar omega 3 dan omega 6. Jphpi, 18, 262–275. https://doi.org/10.17844/jphpi.2015.18.3.262

Jia, R., Katano, T., Yoshimoto, Y., Gao, Y., Nakazawa, N., Osako, K., & Okazaki, E. (2020). Effect of small granules in potato starch and wheat starch on quality changes of direct heated surimi gels after freezing. Food Hydrocolloids, 104(February), 105732. https://doi.org/10.1016/j.foodhyd.2020.105732

Karsa, A. (2004). Kebiasaan Makanan Ikan Baji-baji (Grammoplites scaber (Linnaeus, 1758)) di Perairan Mayangan, Subang, Jawa Barat. Institut Pertanian Bogor.

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Kobayashi, Y., Huge, J., Imamura, S., & Hamada-Sato, N. (2016). Study of the cross-reactivity of fish allergens based on a questionnaire and blood testing. Allergology International, 65(3), 272–279. https://doi.org/10.1016/j.alit.2016.01.002

Kwon, Y.-M., & Lee, J.-S. (2013). A Study on the Quality Characteristics of Fish Cakes Containing Rice Flour. Korean Journal of Human Ecology, 22(1), 189–200.

Laksono, U. T., Suprihatin, S., Nurhayati, T., & Romli, M. (2019). Enhancement of Textural Quality From Daggertooth Pike Conger Fish Surimi with Sodium Tripolyphosphate and Transglutaminase Activator. Jurnal Pengolahan Hasil Perikanan Indonesia, 22(2), 198–208. https://doi.org/10.17844/jphpi.v22i2.27373

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Quality Analysis of Simplicia Red Ginger (Zingiber officinale Var. Rubrum) Rhizome with Different Drying Temperature

2020-04-09T20:19:14+07:00

Red Ginger is ginger that is often used as a basic ingredient of herbal medicine because of its high essential oil content and the spiciest taste. Part of the Red Ginger plant that is commonly utilized is a rhizome, to maintain the quality of ginger rhizome so as not to reduce the economic value, the fresh ginger rhizome is processed first before storing or selling, one of the ways is in the form of Simplicia. The purpose of this study was to obtain the best drying temperature for the quality of red ginger simplicia. The treatments given were drying at 90^oC (W₁), 100^oC (W₂), 110^oC (W₃), and 120^oC (W₄). The study design used a nonfactorial Complete Randomized Design (RAL) consisting of 5 replications. Drying using an oven that lasts for 300 minutes. Data were analyzed by analysis of variance and if it had the real effect it was followed by Duncan's test (DMRT). Observations made were water content, ash content, starch levels, oleoresin levels, and vitamin C. The best drying results are at a temperature of 120°C at a moisture content with an average value of 3.70%, a temperature of 90°C produces the best drying at ash content with an average value of 4.79%, the starch content of 55.72%, oleoresin content of 50.79% and vitamin C 7.67%. It can be concluded that drying using a temperature of 120°C results in a better quality of Simplicia red ginger rhizome in the water content. Whereas at Ash content, the starch levels, oleoresin levels, and vitamin C, the best temperature is in the drying treatment at 90°C.

The Level of Land Suitability and Analysis of Lemongrass Farming in Krueng Meueh Sub-Watershed Aceh Province

2020-05-23T14:00:22+07:00

Lemongrass is one of the agricultural commodities that produce citronella oil and will be a better product if the cultivation is carried out on the right land in the right way. This study aimed to determine the land suitability classes and farming feasibility for community citronella crops. The research was conducted at the Krueng Meueh Sub-watershed, Aceh from April to June 2019. The research was done in descriptive survey methods of forming a land mapping unit (LMU) of the study area. The LMU was obtained from an overlay of a soil map, slope map, and land use map with software ArcGis version 10.1. The soil characteristic data of each LMU and climate data were used for assessing land suitability classes, and to find out the level of farming feasibility of lemongrass in the study area with calculating values of Benefit-Cost Ratio (B/C), Internal Rate of Return (IRR), Net Present Value (NPV) and Break-Even Point (BEP). The result showed that the study area was considered suitable for lemongrass (S2 and S3). Classes of S2 were found at LMU 7 and 17 with base saturation (BS), soil pH, slope, and erosion hazard (EH) as constraint factors. While the other LMU is S3 class with soil pH, BS, organic-C, and EH as a constraint of lemongrass cultivation. The effort of land improvement for lemongrass in the study area such as liming, organic matter, and water-retaining pit or mounds. The lemongrass farming in the study area is feasible and profitable, based on values of NPV Rp.7,076,030, Net B/C 1.2, IRR 16%, and BEP 4 years 4.8 months 24 days.

Analysis of Land Suitability and Lemongrass Farming In Krueng Meueh Sub-Watershed Aceh Province