The research showed that rotation of soy bean gave hig her yield that of continuous cultivation in sixyears .Effectiveness of ploughing and o rganic compost dressing are the best in all pract ices .On same fert ilizer -dressing , ploughing is the best in soil cultivation , subsoiling is second , non -ploughing is the least .In fertilizer-dressing practices , hig hest average y ield of soybean is organic compost dressing , the second is fertilizer -dressing , the thi rd is crop st raw ploughing unde .Soy bean yield of all above practices are remarkably higher thanthat of control.