发展富硒菜紫云英陈清硕，王平紫云英是我国南方种植最普遍的水田绿肥作物，近年来种植面积骤减，已影响到土壤的肥力和水稻产量。紫云英种植减少的原因，主要是因为绿肥不值钱又占地，但现代科学已证明，紫云英对人体和家畜具有特殊的营养保健功能，紫云英是一种富硒植物... Development of Se-enriched vegetables Ziyunying Chen Qingshuo, Wang Ping Ziyunying is the most common paddy field green manure crop planted in southern China. In recent years, the planted area has dropped sharply, which has affected soil fertility and rice yield. The reason for the decrease of the cultivation of the milk vetch is mainly because the green manure is worthless and occupied, but modern science has proved that the milk vetch has special nutrition and health care functions to the human body and livestock, and the milk vetch is a selenium-enriched plant ...