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近年来广德县板栗生产很快,栽培面积已由70年代的几千亩猛增到现在的近20万亩,占全县有林面积的12%。但是长期以来,由于栗园经营管理水平不高,病虫害发生普遍,危害严重,导致板栗产量很低,平均年亩产不足50
In recent years, Guangde County, chestnut production is very fast, the cultivation area has risen from the several thousand acres in the 1970s to the present nearly 200000 acres, accounting for 12% of the county forest area. However, for a long period of time, due to the low level of operation and management of chestnut fields and the widespread occurrence of pests and diseases, the output of chestnut is very low and the average yield per mu is less than 50