近年来，宁夏果树面积发展十分迅速，截止１９９６年底已发展到４．２万ｈｍ２，但面积增加与产量的提高很不相适应，主要表现在管理粗放，经济投入严重不足，不能科学合理地施肥。为此，我们于１９９７～１９９８年在灵武园艺场果园进行了生物菌肥施用试验，试图在同样经... In recent years, the area of ​​fruit trees in Ningxia has developed very rapidly. By the end of 1996, the area of ​​fruit trees has grown to 42,000 hm2. However, the increase in area is incompatible with the increase in output, which is mainly manifested in the extensive management, serious shortage of economic input, and unscientific fertilization . To this end, we in 1997 ~ 1998 in Lingwu horticultural orchard bio-fertilizer application test, trying the same ...