Field Irrigation and drainage of rapeseed at Huajiao stage

Irrigation and drainage at the flowering stage of rape is very important. Rapeseed is a crop with long growth period, large plant body and luxuriant branches and leaves, which needs more water. The most water needed period was oil flowering period and flowering period. In Yingtan area, it is rainy season in rape flower angle stage. If the groundwater level is high, serious waterlogging often occurs. During this period, neither drought nor waterlogging should be allowed. Attention should be paid to clearing ditches after rain to prevent waterlogging.