Organic fertilizers application could markedly decrease runoff loss and leaching lossofnitrogen in rice field.
施用有机肥可以在很大程度上减少农田氮素的径流流失和渗漏淋失。
2
Compared with the nitrogen applied to wheat more lossofnitrogen was observed in it applied to maize especially in a dry year.
和冬小麦季比较，夏玉米季的表观损失高于前者，并以干旱年份更显著。
3
The nitrogen mineralization - immobilization turnover(MIT) process in soil is closely connected with the capacity ofnitrogen supply to plant and the lossofnitrogen to environment .