Pengaruh Pupuk Kandang Sapi, Dolomit, dan Batuan Fosfat Alam Terhadap Serapan Hara dan Pertumbuhan Kedelai (Glycine Max) di Tanah Masam

  • Ulfa Mutammimah Universitas Sebelas Maret Indonesia
  • Slamet Minardi Universitas Sebelas Maret Indonesia
  • Suryono Suryono Universitas Sebelas Maret Indonesia
Keywords: Serapan hara, tanah masam, Kedelai, Pertumbuhan

Abstract

Masalah budidaya kedelai di lahan kering masam adalah kesuburan tanah yang rendah, toksisitas aluminium (Al) dan ketersediaan nutrisi yang buruk. Keasaman tanah dan keracunan Al sering ditingkatkan dengan pengapuran dan menambahkan amelioran untuk meningkatkan pH dan melepaskan fiksasi P anorganik. Penelitian ini dilakukan pada lahan kering masam Desa Sukosari, Kecamatan Jumantono, Kabupaten Karanganyar. Uji coba lapangan menggunakan Rancangan Acak Kelompok Lengkap (RAKL) faktorial Lengkap faktorial pada lahan Alfisols. Perlakuan yang diberikan meliputi P0 (kontrol), P1 (Rock Phosphate 2,5 ton/ha+ kotoran sapi 5 ton/ha), P2 (Rock Phosphate 5 ton/ha + kotoran sapi 5 ton/ha) , P3 (Dolomit 2,5 ton/ha + kotoran sapi 5 ton/ha), P4 (Dolomit 5 ton/ha + kotoran sapi 5 ton/ha), P5 (Batu Fosfat 5 ton/ha + Dolomit 5 ton/ha + kotoran sapi 5 ton/ha). Penggunaan P5 (Rock Phosphate 5 ton/ha + Dolomite 5 ton/ha + kotoran sapi 5 ton/ha) menunjukkan hasil tertinggi dan tinggi tanaman signifikan, jumlah polong. Tanam-1, kandungan klorofil, berat kering, dan serapan hara pada tanaman kedelai Serapan hara tertinggi adalah total N (0,69%), serapan N (3,34%), serapan P (17,87%), serapan Mg (5,58%).

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Published
2019-12-27
How to Cite
Mutammimah, U., Minardi, S., & Suryono, S. (2019). Pengaruh Pupuk Kandang Sapi, Dolomit, dan Batuan Fosfat Alam Terhadap Serapan Hara dan Pertumbuhan Kedelai (Glycine Max) di Tanah Masam. National Conference on Mathematics, Science and Education (NACOMSE), 2(1), 35 - 40. Retrieved from http://proceeding.uim.ac.id/index.php/nacomse/article/view/349