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于1979、1980两年内,笔者到新疆、陕西、山西等11个省市的主要核桃生产单位和科研单位,进行了调查和学习。通过调查学习,对目前有关核桃生产发展的技术问题,提出了几点认识,供商讨。一、核桃的土壤适应性习惯认为,核桃是山区生长的树种。解
In 1979 and 1980, the author conducted surveys and studies on major walnut production units and research institutes in 11 provinces and cities such as Xinjiang, Shaanxi and Shanxi. Through investigation and study, some suggestions on the technical issues concerning the development of walnut production are put forward for discussion. First, the adaptability of walnut soil habits that walnut is a tree species growing in the mountains. solution