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陇南、陇东是我省核桃产区,栽植数量大、在农业组成和农户经济来源中占有相当重要的位置。但是,目前产量很低,陇南地区平均单株仅2～3公斤。产量不高的原因除土壤管理差,肥水不足,病虫害严重,或晚霜为害外,不整形修剪是主要因素之一。本文根据陇南降雨多,湿度大,日照时数短等实际情况,经初步观察试验,提出如下整形修剪技
Longnan, Longdong is the province’s walnut-producing areas, planted a large number, in the agricultural composition and the economic sources of farmers occupy a very important position. However, the current output is very low, with an average of 2 to 3 kg in Longnan. The reasons for the low output are not the soil management, inadequate fertilizer and water, pests and diseases, or night frost damage, the lack of plastic trim is one of the main factors. According to the actual situation of Longnan rainfall, humidity, short sunshine hours, the initial observation and experiment, the following plastic trim pruning