Perbaikan Tanah Podsolik Merah Kuning Lapisan Bawah Sebagai Media Pembibitan Kopi Robusta Dengan Pupuk Hijau Dan Pupuk N

Abstract

The aim ofthis two factor factorial experimenJ was to study the effect of green manure and nitrogen fertilizer for improving the red-yellow podsolic as a growth media for the nursery of Robusta Coffee. Two factor were four different media based on the composition of subsoil, sand and green manure, and four rate of Urea.