我镇于 1996年引进白三叶草在果园种植获得成功 ,现将其优点及种植方法介绍如下。1　种植白三叶草的优点白三叶草是多年生草本豆科植物 ,既可以做果园绿肥 ,又是一种优质饲草和公园、道路绿化观赏植物。1.1　提高土壤养分　白三叶草具有发达的根瘤 ,可以大量固定空气中的氮素 , The introduction of white clover in my town in 1996 orchard planting success, now its advantages and planting methods are described below. The advantages of planting white clover White clover is a perennial leguminous plants, both green manure can do orchard, but also a high-quality forage and parks, green ornamental plants. 1.1 improve soil nutrients White clover has developed nodules, a large number of fixed nitrogen in the air,