European Union (EU) countries are the most important markets for the international trade in the organic agricultural products.

Adjustment of agricultural product structure is the first thing of agricultural structure,total quantity contradictory of current agricultural product in our country melts basically,constitutive property contradictory is in relief,it displays in two markets of the home and the world.

Damages of Biological Invasion to Agriculture in China and Management;

Study on the Control and Prevention Measure of Multiple Area-pollution in Agriculture;

Study on Non-point Source Pollution Caused by Agriculture in Shaanxi District in Weihe River Valley;