China Agriculture Yearbook

China Agriculture Yearbook

4.11 - 1251 ratings - Source

All these plants were collected from Hangzhou, Dongyang, and Linhai from 1979 to 1985. ... a scientific pesticide application system based on manual work had been developed according to the deposition and distribution characteristics ofanbsp;...

Title:China Agriculture Yearbook
Publisher: - 1987


You Must CONTINUE and create a free account to access unlimited downloads & streaming