›› 1999, Vol. 1 ›› Issue (3): 100-107.

• 节水农业与农业持续发展 • 上一篇    下一篇

加强华北平原水氮管理 提高农业生产水平 改进环境质量(英文)

Deli Chen   

  • 出版日期:1999-10-15 发布日期:2009-12-23

Deli Chen   

  • Online:1999-10-15 Published:2009-12-23

Abstract:

The challenge confronting agricultural scien-tists and planners in China is to produce sufficentfood to meet the demand of its growing population(the present level is 1.25 billion).This can beachieved by intensifying the agricultural activities onthe present farmland or increasing the area of arable