Effect of Controlled-release Fertilizer on Rape

The effect of controlled-release fertilizer on rape production was studied.The results showed that the effect of controlled-release fertilizer on oil content in seed,yield,1 000-grain weight,fruit number per plant,oil production of rape was significantly,and reached a significant level.With 450 kg/hm2 controlled-release fertilizer as base fertilizer,75 kg/hm2 urea as topdressing,the oil production of rape was the highest,and the economic benefits were the best.