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5. Soil Carbon Sequestration,Water Use Efficiency(WUE) and Biological Nitrogen Fixation(BNF) Under Cons

Soil Carbon Sequestration,Water Use Efficiency(WUE) and Biological Nitrogen Fixation(BNF) Under Cons

来源 :地学前缘 | 被引量 : 0次 | 上传用户：zhenghaiwei

【摘 要】

：

Land degradation,unbalanced nutrition,change in climate and its extreme variability are the factors affecting the sustainability of agriculture and food security.In North-west Pakistan,more than 50%of

【作 者】

：

Samreen Shehzadi Wisal Mohammad S.Mahmood Shah 

【出 处】

：

地学前缘

【发表日期】

：

2009年S1期

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Land degradation,unbalanced nutrition,change in climate and its extreme variability are the factors affecting the sustainability of agriculture and food security.In North-west Pakistan,more than 50%of the cultivated area is rain-fed and the crop produc

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