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河北省的薄皮核桃种植经过十几年的发展,现已经初具规模,主要种植于太行山和燕山山脉,浅山丘陵区和平原也有栽植。但薄皮核桃的品质却出现了逐年下降的趋势,薄皮核桃的皮在变厚,仁在变黑,病虫害严重,冻害时有发生,单产在下降。为防止这些问题,在这里我将我们在核桃栽培管理中的一些经验加以总结,供大家参考。1.建园时品种选择和建园位置的选择问题。我省冬季温度相对较低,不同年份有时会出现极端低温,易给树体造成冻害。如2015年冬季突然地急剧降温,
After more than ten years’ development, Hebei Province’s thin-walled walnut plantation has now begun to take shape and is mainly planted in the Taihang Mountains and Yanshan Mountains. The shallow hills and plains have also been planted. However, the quality of thin-walled walnuts has been declining year by year, the skin of thin-walled walnut thickening, kernel blackening, pests and diseases serious, freezing damage occurs, the yield is declining. To prevent these problems, here I will summarize some of our experiences in the management of walnut cultivation for your reference. 1. The choice of species selection and construction park when building the park. The winter temperature in our province is relatively low, sometimes extreme low temperature occurs in different years, easy to cause frost damage to the tree. As the sudden sharp cooling in winter 2015,