论文部分内容阅读
冬小麦是固原县的主要粮食作物,历年种植面积约37.1万亩,占粮食种植面积的15.8%,年产0.25亿斤,占总产的12%。彭朔、王洼地区播种面积最大,占粮食总播面积的51~60%。全县三十一年平均单产69斤,长期处于低产状态。冬麦产量低的主要原因,一是土壤瘠薄,大部分土壤有机质含量
Winter wheat is the main grain crop in Guyuan County, with a planting area of about 371,000 mu over the years, accounting for 15.8% of the total area planted with grains and an annual output of 25 billion kg, accounting for 12% of the total output. Pengshuo, Wang wa area the largest sown area, accounting for 51-60% of the total grain sowing area. The county average yield of 31 pounds for 31 years, long-term state of low yield. The main reason for low winter wheat yield, first, infertile soil, most of the soil organic matter content