摘要
通过移栽期、密度、氮素水平 3因素 2次饱和D最优回归设计 ,研究了不同农艺措施对地膜覆盖栽培油菜产量因素的影响及互作 ,根据地膜覆盖栽培油菜生长发育的规律 。
The effects of different agronomic methods on yield factors of plastic film covering rape was studied in transplant periods,densities and nitrogen levels (the best D regressive design of three factors,two saturations.The regular pattern in growth and reproduction stages of plastic film covering rape and its technical methods in production was present.
出处
《安徽农业科学》
CAS
2000年第3期298-300,共3页
Journal of Anhui Agricultural Sciences
