绿肥作物（紫云英、苜蓿、苕子等）是优质的有机肥料，又是营养丰富的多计饲料。但近几年来各地忽视了绿肥生产，种植面积逐年减少，土壤性状变差，地力逐年下降，产量逐年降低。为此，建议各地农户应把绿肥生产纳入秋种计划．切莫忽视。紫云英、首诗、苔干等是豆科绿肥作物， Green manure crops (milk vetch, alfalfa, razor clam, etc.) are high-quality organic fertilizers, but also nutrient-rich multi-feed. However, green manure production has been neglected in various places in recent years. The area under cultivation has been decreasing year by year, the soil properties have deteriorated, and the soil fertility has been declining year by year, and the output has been decreasing year by year. To this end, it is recommended that farmers should be included in the autumn planting green manure plan. Do not ignore. Ziyun Ying, the first poem, dried moss, etc. are leguminous green manure crops,