一、省种法1.采用半精量、精量播种技术。通过提高整地质量,改进播种与栽培技术,降低单位面积用种量,进而达到节省用种、降低生产成本之目的。2.常规种子自己提纯留种。对小麦、豆类等非杂交(常规)种子,每年购买2～3个新品种,每种只购少量种子,选条件较好地块精心种植。通过试 First, the provincial species law 1. Using semi-precision, precision sowing technology. By improving the quality of land preparation, planting and cultivation techniques to improve and reduce the unit area with the species, so as to achieve the purpose of saving seeds and reduce production costs. 2. Conventional seeds to purify their own species. For wheat, beans and other non-hybrid (conventional) seeds, each year to buy 2 to 3 new varieties, each purchase only a small amount of seeds, the selection of the conditions of the block carefully planted. Pass the test