果园生草法,就是在果园播种豆科或禾本科植物,定期刈割,覆盖地面,让其自然腐烂分解,从而起到改土培肥作用。果园生草管理,草根分泌物及残根可促进土壤微生物活动,有助土壤团粒结构形成,使土壤有机质含量和可吸收养分明显增加。在山地果园种草,能有效防止土、肥、水流失,防止土壤被侵蚀。果园生草形成地面覆盖,地面和表层土壤温度变化幅度小,早春土温上升缓慢,根系活动迟,可避免晚霜危害;夏 Orchard grass law is in the orchard sowing leguminous or grassy plants, regularly cutting, covering the ground, let it decompose naturally decay, so as to play the role of soil fertility. Grass orchard grassroots management, grassroots secretions and residual roots can promote soil microbial activities, help the formation of soil aggregate structure, soil organic matter content and absorbable nutrients increased significantly. Grass in the mountain orchard, can effectively prevent soil, fertilizer, water loss, prevent soil erosion. Orchard grass formation of ground cover, ground and surface soil temperature range of small, early spring soil temperature rise slowly, late root activity, to avoid night frost hazards; Summer