紫云英又名红花草,是一种优质高产有多种用途的豆科绿肥,在长江中、下游有着悠久的种植历史,是我国农业生产上一项宝贵财富,既可压青当肥料,也可作畜、禽青饲料,还是养蜂的优质蜜源。77年春在户县引种试验成功(见本刊77年9期)后,考虑到紫云英由南方移到北方, Ziyunying, also known as safflower grass, is a kind of legume green manure with high quality, high yield and multipurpose use. In the middle and lower reaches of the Yangtze River, it has a long history of planting and is a valuable asset in agricultural production in our country. Can also be used for livestock, poultry fodder, or honey beekeeping of high quality. After the successful introduction of the experiment in Huxian County in the spring of 1977 (see the publication of Issue 9 in Issue 9, Issue 77), taking into account the migration of the milk vetch from the south to the north,