陕北丘陵沟壑区种植业的结构调整

通过对高桥示范区的考察 ,对陕北丘陵沟壑区种植业结构调整的原则和方向进行了分析和探讨。认为该区的种植业不应单纯追求粮食的再高产 ,而是应一方面提高种植业的自身效益 ,由温饱型向经济型转变 ,从经济型向高效型转变 ;另一方面 ,种植业要从单纯的粮食生产调整为配合商品优势产业——草地畜牧业的发展 ,从单纯的种植型发展为种养结合型。种植业结构调整 ,要以水资源的分布和利用为基础 ,以发挥区域性商品比较优势为手段 ,以改善农业生态环境为前提 ,建设高效的区域性商品型生态农业。

Structure Adjustment of Plant Farming in Loess Hilly Region of North Shaanxi Province

Based on the results of investigation in Gaoqiao demonstration region, the principle and direction of structure adjustment of plant farming are analyzed and discussed. It is considered that plant farming should not only concentrate on higher yield of grain. On one hand, plant farming should concentrate on its benefit raising, changing from the type of dress warmly and ear one's fill to the economy type, and from the economy type to the higher benefit type; On the other hand, plant farming should sustain grassland animal husbandry that is dominant commercial industry, changing from the plant type to the combination type of planting and breeding. The structure adjustment of plant farming should be based on the distribution and utilization of water resources, and bringing regional dominant commercial industry into full play, improving agricultural environment, constructing regional commercial and efficient ecological agriculture.