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1987年春对沙薄旱地35-40年生婆枣,进行了更新修剪,在疏枝留下的新枣头中,除用作延长枝者外,余者于5月30日-6月10日进行了摘心,至9月20日调查,摘心枣头座果率明显提高,与不摘心枣头比,吊果比提高11.2倍。在应用中要注意两点;①摘心宜早不宜迟,过晚即使座果也达不到充分成熟;②?
In the spring of 1987, fresh-cut pruning was carried out on 35-40-year-old dates in arid drylands of the Shansi. In addition, young pruning heads left by the thinning branches were used for extending the branches, and the rest were carried out from May 30 to June 10 Topping, to September 20 survey, pinching the first fruit rate was significantly improved, and not picking the heart than head, hanging fruit increased by 11.2 times. In the application should pay attention to two points; ① plucking should not be too late, too late even if the fruit is not fully mature; ②?