Aplikasi Pupuk SP-36 dan Pupuk Kandang Sapi terhadap Ketersediaan dan Serapan Fosfor pada Tanah Inceptisol Kwala Bekala
Application of SP-36 and Cow Manure on the Availability of Phosporus and Phosphorus Uptake on Inceptisol taken from Kwala Bekala
DOI:
https://doi.org/10.32734/joa.v5i1.2338Keywords:
pupuk kandang sapi, pupuk sp-36, p-tersedia tanah, serapan p tanamanAbstract
Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi pupuk SP-36 dan pupuk kandang sapi serta interaksinya terhadap ketersediaan dan serapan P pada tanah Inceptisol Kwala Bekala. Penelitian ini dilakukan di Rumah Kasa, Laboratorium Kimia Kesuburan Tanah, Fakultas pertanian, Universitas Sumatera Utara serta PT. Nusa Pusaka Kencana Analytical & QC Laboratory (Asian Agri Group). Rancangan yang digunakan pada penelitian ini adalah Rancangan Acak Kelompok Faktorial yang terdiri dari 2 faktor dengan 3 ulangan Faktor I : pupuk SP-36 (P) dengan 4 taraf dosis (ppm/10 kg BTKO) yaitu : P0 (0), P1 (100), P2 (200), P3 (300) dan Faktor II : pupuk kandang sapi (S) dengan 4 taraf dosis (g/10 kg BTKO) yaitu : S0 (0), S1 (50), S2 (100) dan S3 (150). Hasil penelitian menunjukkan pemberian pupuk SP-36 berpengaruh nyata dalam meningkatkan P-tersedia tanah dan serapan P tanaman. Pemberian pupuk kandang sapi berpengaruh nyata dalam meningkatkan serapan P tanaman. Interaksi antara pupuk SP-36 dan pupuk kandang sapi berpengaruh nyata dalam meningkatkan serapan P tanaman. Perlakuan terbaik 300 ppm P2O5 SP-36 dan pupuk kandang sapi 20 ton / ha.
The objective of this study is to determine the effect of SP-36 fertilizer application and cow manure on the availability and P uptake on Inceptisol taken from Kwala Bekala. This research conducted in gauze house, Soil Fertility Chemical Laboratory, Faculty of Agriculture, University of North Sumatra and PT. Nusa Pusaka Kencana & QC Analytical Laboratory (Asian Agri Group). This study used Randomized Block Design which consist of two factors with three replications Factor I: SP-36 fertilizer (P) with 4 levels dose (ppm / 10 kg BTKO) ie: P0 (0), P1 (100), P2 (200), P3 (300) and factor II: cow manure (S) with 4 levels dose (g / 10 kg BTKO), namely: S0 (0), S1 (50), S2 (100) and S3 (150). The results showed that SP-36 fertilizer application significantly increased soil available P and P-plant uptake. Cow manure significantly increased P-plant uptake. The interaction between SP-36 fertilizer and cow manure significantly increased P-plant uptake. The best treatment was the application 300 ppm P2O5 SP-36 and cow manure 20 tons/ha.
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