核桃树因在冬季休眠期内有伤流，故修剪时期主要在秋季，盛果期大树一般在果实采收后到叶片变黄以前带叶修剪。１９９６～１９９８年，我们在我县四棚乡闫集村的２３年生核桃树上，根据需要采取短截、疏剪、缓放、缩剪等方法，进行合理的细致修剪，６６６．７ｍ２产量由１９９ Walnut trees due to injury in the winter dormant period, so the pruning period mainly in the autumn, the fruit of the trees in the fruit harvest is generally harvested before the leaves turn yellow trimmed leaves. From 1996 to 1998, on the 23-year-old walnut trees in Yanjiacun, Siding Township, our county, we made reasonable prudent pruning according to the need, such as short cut, thinning, slow release and shrinking. The output of 666.7m2 199