Effects of equal chemical fertilizer substitutions with organic manure on yield, dry matter, and nitrogen uptake of spring maize and soil nitrogen distribution.

by Yuhui Geng, Guojun Cao, Lichun Wang, Shuhua Wang
Published 2019-01-01

Modeling simulation and parameters optimization for hydraulic impactor

by Guoping Yang, Hanghang Wei, Huanhuan Zhang, Guojun Cao, Chuanchang Li
Published 2016-02-01