关键词: 烟草, 烟草, 赤星病, 抗病性鉴定, 方法, 优缺点

Abstract:

In the corn planted area of Yellow Huai Hai, introducing local resources. besides, choosing fine varieties, being suitable to broadcast time, the reasonable planting density, to adopt the measure of effective prevention natural disaster and the nimble harvest time is the guarantee of high-yield cord, and put forward the related proposal to existing problems.