论文部分内容阅读
近年来,随着增施肥料,提早移栽和推广矮杆型品种后,水稻纹枯病的为害有了发展。为了控制这一病害,根据中国农业科学院江苏分院的研究结果,1963—1964年吴县各地应用“苏化911”防治纹枯病,进行较大面积的防治示范。1963年防治31.1亩,平均防治效果为61.25％,防治较好的效果达95.7％。1964年的防治面积为828.4亩,分布
In recent years, with the application of fertilizer, early transplanting and promotion of short rod-type varieties, the development of rice sheath blight has been developed. In order to control this disease, according to the research results of Jiangsu Branch of Chinese Academy of Agricultural Sciences, the epidemic control of sheath blight was applied to various areas of Wuxian County from 1963 to 1964 to carry out prevention and control of large scale. In 1963 31.1 mu of prevention and control, the average control effect of 61.25%, prevention and control of better results up to 95.7%. The control area in 1964 was 828.4 mu, distributed