Z. He

[Effects of water conditions and controlled release urea on yield and leaf senescence physiological characteristics in summer maize.]

Ping Liu, S. Dong, P. Liu, 2017, Ying yong sheng tai xue bao = The journal of applied ecology.

Effects of Coupling Controlled Release Urea with Water on Yield and Photo-synthetic Characteristics in Summer Maize

S. Dong, Jiwang Zhang, Bin Zhao, 2015 .