不同氮肥对3个阔叶树种营养生长的影响.

Autor: 牛 牧1, 郑绍伟2, 黎燕琼2, 陈俊华2, 龚固堂2, 慕长龙2
Zdroj: Southwest China Journal of Agricultural Sciences. 2015, Vol. 28 Issue 2, p918-920. 3p.
Databáze: Academic Search Ultimate