The effects of different sowing dates,plant densities and nitrogen applica- tion amounts on yield of no-tillage direct seeding rapeseed were studied. The re- sults indicated that the optimum sowing date was from Octob...The effects of different sowing dates,plant densities and nitrogen applica- tion amounts on yield of no-tillage direct seeding rapeseed were studied. The re- sults indicated that the optimum sowing date was from October 1 to 15, the opti- mum plant density was 450 000-750 000 plant/hm2, the optimum nitrogen applica- tion amount was 270 kg/hm2 in the southeast of Hubei province.展开更多
基金Supported by the Industry Technology System of Rapeseed in China~~
文摘The effects of different sowing dates,plant densities and nitrogen applica- tion amounts on yield of no-tillage direct seeding rapeseed were studied. The re- sults indicated that the optimum sowing date was from October 1 to 15, the opti- mum plant density was 450 000-750 000 plant/hm2, the optimum nitrogen applica- tion amount was 270 kg/hm2 in the southeast of Hubei province.
