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Respon Pertumbuhan dan Hasil Tanaman Kedelai (Glycine Max (L.) Merr.) pada Berbagai Kombinasi Pupuk N dan P

Authors: Syaifudin, Muhamad; Suminarti, Nur Edy; Nugroho, Agung;

Respon Pertumbuhan dan Hasil Tanaman Kedelai (Glycine Max (L.) Merr.) pada Berbagai Kombinasi Pupuk N dan P

Abstract

Kedelai merupakan sumber protein nabati yang murah dibandingkan dengan protein hewani. Di Indonesia, konsumsi kedelai mencapai 2,25 juta ton dalam kurun waktu satu tahun, sementara pemerintah hanya mampu menyediakan sekitar 779 ribu ton. Oleh karena itu perlu dicari solusi penyelesaian dalam upaya untuk meningkatkan produktivitas kedelai melalui pemupakan dengan kombinasi pupuk N dan P. Penelitian ini dilakukan pada bulan Agustus Desember 2014 di kebun percobaan Universitas Brawijaya, desa Jatikerto, Kabupaten Malang. Penelitian menggunakan Rancangan Acak Kelompok (RAK) diulang tiga kali dengan menempatkan dosis pupuk N dan P sebagai perlakuan, terdiri 9 kombinasi, yaitu 150% P + 0% N, 125% P + 25% N, 100% P + 50% N, 75% P + 75% N, 50% P + 100% N, 25% P + 125% N, 0% P + 150% N, 100% P + 100% N, 0% P + 0% N. Pengamatan dilakukan secara destruktif mengambil dua tanaman contoh untuk setiap perlakuan saat tanaman berumur 35, 50 dan 65 hari setelah tanam, meliputi: (1) jumlah daun, luas daun, jumlah cabang, bobot kering total tanaman, dan laju pertumbuhan relatif, (2) jumlah polong isi, jumlah polong hampa, bobot polong isi, bobot polong hampa, jumlah biji, bobot biji, bobot 100 biji, hasil biji ton per hektar dan indeks panen. Kombinasi 0% P + 150% N menghasilkan jumlah cabang, jumlah daun, dan luas daun tertinggi pada umur 50 hst. Kombinasi 100% P + 50% N menghasilkan jumlah polong isi, bobot polong isi, jumlah biji, bobot biji, hasil panen ton per hektar dan indeks panen paling tinggi.

Keywords

Pupuk P, Hasil, Pupuk N, Nutrisi Tanaman, Kedelai

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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