Respons Pertumbuhan Dan Produksi Kedelai (Glycine max (L.) Merill) Terhadap Aplikasi Pupuk Kandang Sapi Dan Pupuk Organik Cair

Growth and Production of Soybean Response on application of Cow Manure and Organic Liquid Fertilizer

Abstract

Produksi kedelai nasional mengalami penurunan setiap tahunnya. Rendahnya produksi kedelai Indonesia salah satunya dikarenakan belum maksimalnya pengetahuan petani dalam penggunaan teknologi produksi yang mendukung pertanian berkelanjutan. Banyak cara yang digunakan untuk memenuhi ketersediaan unsur hara dalam tanah salah satunya adalah melalui pemupukan.Tujuan penelitian yakni untuk mengetahui respons pertumbuhan dan produksi kedelai terhadap aplikasi pupuk kandang sapi dan pupuk organik cair. Penelitian dilaksanakan di Jalan Setia Budi, Simpang Pemda, Kecamatan Medan Selayang pada Januari - Maret 2016, menggunakan Rancangan Acak Kelompok Faktorial dengan dua faktor yaitu Pupuk Kandang Sapi (0, 4, 8, 12 t/ha) dan Pupuk Organik Cair (20, 40, 60 ml/l). Peubah yang diamati adalah tinggi tanaman, berat kering akar, bobot 100 biji, dan diameter batang, dan jumlah polong berisi. Hasil penelitian menunjukkan bahwa pemberian pupuk kandang sapi meningkatkan tinggi tanaman 3 – 5 MST. Pemberian pupuk organik cair meningkatkan tinggi tanaman 3 MST, diameter batang, dan jumlah polong berisi. Interaksi berpengaruh nyata terhadap jumlah cabang produktif.

National soybean production has decreased each year. The low production of soybean Indonesia one of them because there is not maximal knowledge of farmers in the use of technologies that support sustainable agricultural.Increased public awareness of healthy living and back to nature increase the empowerment of organic farming systems. The objective of the research is to determine the response of growth and production of soybean on application of cow manure and liquid organic fertilizer. The research was conducted in Setia Budi street, Simpang Pemda, District of Medan Selayang on January to March 2016, using a factorial randomized block design with two factors, the first factor is cow manure (0, 4, 8, 12 t/ha) and the second factor is liquid organic fertilizer (20, 40, 60 ml/l). Parameters observed were plant height, stem diameter, root dry weight, shoot dry weight, age of flowering, age of harvesting, the number of pods per plant lists, the number of empty pods per plant, seeds per plant dry weight, the dry weight of 100 seeds. The results showed that application of cow manure increased the plant height 3- 5 DAP. Liquid organic fertilizer increasing the plant height 3 DAP, stem diameter, and number of filled pods per plant. Interaction between con manure and organic liquid fertilizer increased the number of filled pods.