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我县为核桃重点产区。自1972年开始实行修剪,历年来都习惯在采果后至落叶前或春季萌芽至展叶期进行修剪。由于此时正值秋收或春播大忙季节,往往不易推广或贻误适期。于休眠期修剪,劳力矛盾小,但一般认为此时修剪会出现伤流,削弱树势,降低产量。为了探讨这一问题,于1980年9月至1982年5月在涉县北岗,以40年生晚熟核桃5
My county key producing areas for the walnut. Since 1972, pruning has been carried out and the habit of pruning has been used over the years in the period from post-harvesting to deciduous or in spring to budding. As the time comes for the busy harvest season or spring seasons, it is often not easy to promote or delaying the exercise. Pruning during dormancy, labor conflicts are small, but it is generally believed that pruning at this time there will be wounds, weakening the tree potential and reduce production. In order to explore this issue, from September 1980 to May 1982 in Shexian North Gang, 40-year-old late-maturing walnut 5