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陕北丘陵区,历史上存在“麦不下川”的问题。小麦栽培局限在山坡、峁梁地带,粗耕稀植,广种薄收。这种旧的耕作制度和传统习惯,使单产不高,也不利于作物布局和农林牧的综合发展。1960年以来,我所科技人员和延安地区农科所共同进行调查研究,曾逐步明确了“麦不下川”的原因及其主要矛盾,提出了一些解决的途径。但是由于修
Hilly areas in northern Shaanxi, history, there is “wheat is not Sichuan” issue. Wheat cultivation is limited to hillsides, Guliang zone, coarse farming thinning, a wide variety of thin income. This old cropping system and traditional custom made the yield low and not conducive to the integrated development of crop layout and agriculture, forestry, animal husbandry and animal husbandry. Since 1960, the scientific and technological personnel of our institute and the Yan’an Agricultural Research Institute have conducted a joint investigation and study. They have gradually clarified the causes and major contradictions of the “wheat beyond the river” and put forward some solutions. But due to repair