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陕西省吴堡县曾以大修水平梯田而著名。近年来,大面积的梯田在该县粮食生产中起了举足轻重的作用,单产居榆林地区之首位。为了研究大面积坡耕地改梯田在保持水土、增产粮食方面的作用,以及对合理利用土地、调整产业结构方面的影响,科学地评价坡耕地改梯田在旱作农业上的位置,本文对吴堡县大面积梯田的群体作用作了较全面的分析,并对一些问题进行了探讨,借以促进黄土高原地区的基本农田建设和粮食增产同上一个新台阶。
Wubei County, Shaanxi Province, was famous for overhauling terraces. In recent years, a large area of terraces in the county grain production plays a decisive role, ranking first in the Yulin area. In order to study the effect of terraced farmland improvement on soil and water conservation and grain yield enhancement as well as the impact of rational utilization of land and adjustment of industrial structure and scientifically evaluate the position of farmland conversion on sloping farmland in dry farming, The role of large-scale terraces in the population groups made a more comprehensive analysis, and some of the issues discussed in order to promote the construction of basic farmland and food production in the Loess Plateau to a new level.