【摘 要】
：
近年来 ,核桃已成为人们喜爱的高档果品。栽培核桃可获得较高的经济效益。但是目前核桃生产较为滞后 ,突出表现为管理粗放，单株产量低（仅０．４ｋｇ） ,出仁率低（不足４０ %），品质差。为了提高核桃
【机 构】
：
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近年来 ,核桃已成为人们喜爱的高档果品。栽培核桃可获得较高的经济效益。但是目前核桃生产较为滞后 ,突出表现为管理粗放，单株产量低（仅０．４ｋｇ） ,出仁率低（不足４０ %），品质差。为了提高核桃栽培水平 ,１９９０～１９９７年我们对辉县、林县的核桃低产原因进行了调
In recent years, walnuts have become the favorite high-grade fruit. Walnut cultivation can get higher economic benefits. But at present, the production of walnut is lagging behind, with outstanding performance of extensive management, low yield per plant (only 0.4kg), low kernel yield (less than 40%) and poor quality. In order to improve the level of walnut cultivation, we adjusted the reasons for the low yield of walnut in Huixian County and Linxian County from 1990 to 1997
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