长期免耕覆膜栽培和氮水平对稻-油轮作田油菜季杂草氮竞争的影响.

Autor: 董瑜皎1 echo-215@163.com, 袁江1, 吕世华1
Zdroj: Southwest China Journal of Agricultural Sciences. 2016, Vol. 29 Issue 4, p782-786. 5p.
Databáze: Academic Search Ultimate
Externí odkaz: