authors Chivenge, Pauline Rubianes, F.H.C. Chin, Duong Van Thach, Tran Van Khang, Vu Tien Romasanta, Ryan Hung, N.V. Trinh, Mai Van
has subject area agronomy biochar cycling environmental science fertilizer nutrient nutrient cycle organic matter phosphorus rice rice straw soil soil carbon soil organic matter straw