By comparing expect profits of water supply companies from innovation of water saving irrigation facilities under different hypothesis,Nash equilibriums under different situation are analyzed.

Leaching and transforming characteristics of urea-N added by different ways of fertigation;

To accurately control and simultaneously conduct of irrigation and fertilization in drip irrigation system,a highly intelligent fertigation system is developed based on single chip microcomputer(SCM) control principles and variable frequency technique.

Field evaluation of fertigation uniformity for subsurface drip irrigation systems;

Spatial distribution of nitrate in soil as affected by uniformity of sprinkler fertigation;

Experimental Investigation and Simulation on Water and Nitrogen Distributions as Affected by Fertigation From A Point Source;

Effect of long-term irrigation and fertilization on nitrogen,phosphorous,and potassium pools of cinnamon soil in semi-arid area I.Effect on nitrogen pool of cinnamon soil farmland;