PENGARUH PEMBERIAN FUNGI MIKORIZA ARBUSKULA DAN PUPUK ORGANIK TERHADAP KANDUNGAN FRAKSI SERAT RUMPUT KUMPAI (Hymenachne amplexicaulis (Rudge) Nees.) PADA ULTISOL
Abstrak
Fungi mikoriza arbuskula (FMA) dapat membantu tanaman untuk penyediaan dan penyerapan unsur P yang rendah ketersediaannya pada tanah masam. Pupuk organik dapat memberikan pengaruh terhadap sifat fisik, kimia dan biologis tanah. Tujuan penelitian adalah untuk menemukan, mendapatkan dan membuktikan bahwa perbaikan kesuburan ultisol dengan pemberian FMA dan pupuk organik akan berpengaruh terhadap kandungan fraksi serat rumput kumpai. Percobaan menggunakan Rancangan Acak Kelompok dengan lima macam perlakuan dan 4 ulangan. Perlakuan terdiri dari: 1) FMA 0 g/rpn + pupuk organik 0%, 2) FMA 20 g/rpn + pupuk organik kotoran sapi 50%, 3) FMA 20 g/rpn + pupuk organik kotoran sapi 100%, 4) FMA 20 g/rpn + kompos 50%, dan 5) FMA 20 g/rpn + kompos 100%. Peubah yang diamati adalah kandungan NDF, ADF, hemiselulosa, selulosa dan lignin, Hasil penelitian menunjukkan bahwa perlakuan berpengaruh nyata terhadap semua peubah yang diamati.
Kata kunci: Hymenache amplexicaulis (Rudge) Nees, fraksi serat, fungi mikoriza arbuskula, pupuk organik
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