果园豆菜轮茬增肥保墒促授粉
Northwest Horticulture(2015)
Abstract
陕西延安果区属半干旱地区,年降雨量分布不均,特别是冬春易出现干旱.该区域虽从上世纪90年代就开始推广果园种草技术,但一直没有取得突破性进展.原因是三叶草等草种根系浅,抗旱抗寒性差,对水分依赖大,干旱时与果树争水矛盾十分突出,造成年年种草不见草.我们采用豆菜轮茬覆盖方式解决了上述问题.
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