论文部分内容阅读
去年,丽水、温州等地区稻瘟病大流行,仅丽水地区发病面积就达51万多亩,虽采取多种防治措施,但仍损失稻谷1万5千多斤。分析这次稻瘟病流行的原因,当然是多方面的,但重要原因之一就是由于施肥不当。目前各地普遍重视选用抗病良种,但都往往忽视了科学用肥。这里总结几年来由于施肥不当,引起稻瘟病的几种情况,供各地
Last year, the rice blast epidemic in Yeosu, Wenzhou and other areas hit an area of more than 510,000 mu in only the Lishui area. Although various preventive measures were taken, they still lost over 15,000 kilos of rice. Analysis of the reasons for the prevalence of the blast is of course in many aspects, but one of the important reasons is due to improper fertilization. At present, the general emphasis on the selection of disease-resistant varieties around, but often overlook the scientific use of fertilizer. Here summarizes several years due to improper fertilization, caused by several cases of rice blast for all over