论文部分内容阅读
棉花是河北省衡水市的优势经济作物,种植棉花是当地农民增收的主要途径。因此,棉花病虫害的防治对提高棉花产量增加农民收入起到重要作用。
Cotton is the dominant cash crop in Hengshui City, Hebei Province. Planting cotton is the main way for farmers to increase their incomes. Therefore, the prevention and control of cotton pests and diseases play an important role in increasing the yield of cotton and increasing the income of peasants.