00774nam a2200193Ia 4500 CTU_16079 210402s9999 xx 000 0 und d 338.162 H811 Hoque, M. Zahidul Cropping systems in Asia on farm research and management M Zahidul Hoque, IRRI Los Banos, Philippines IRRI 1984 This book includes detailed data-based presentations and discussion of farmers' existing cropping systems and testing of improved cropping patterns and component technologies in eight well-defined agroecological environments. Cropping systems,Farm management Minh, Năm Trung tâm Học liệu Trường Đại học Cần Thơ