论文部分内容阅读
鄂西山区年年都有一定面积的水稻发生不同程度的坐蔸现象。据调查,利川县约有一万多亩水稻常年发生坐蔸,该县农科所1960年以前就有140多亩水稻常年发生坐蔸,约占稻田面积的20％左右,最严重的1957年曾达稻田面积的50％;恩施地区农科所常年约有200亩水稻发生坐蔸,占稻田面积的26％左右。恩施县金子公社四大队常年约有300亩水稻发生坐蔸,占稻田面积的14％左右;宣恩县金湖公社一大队常年约有700—800亩水
Every year in western Hubei mountains have a certain area of rice occur at different levels of sitting 蔸 phenomenon. According to the survey, about 10,000 hectares of rice occur in Lichuan County for a long time. The county's agricultural science institute had 140 mu of rice perennial before year 1960, accounting for about 20% of the paddy field area. The most serious 1957 Had reached 50% of the paddy field area; Enshi area agricultural science perennial about 200 acres of rice occur sitting plover, accounting for about 26% of paddy area. Enshi County gold commune four brigade perennial about 300 acres of rice occurs sitting mound, accounting for about 14% of the paddy area; the Xuan'en County Jinhu commune a group of perennial about 700-800 acres of water