Spatial and Temporal Variability of N, P and K Balances for Agroecosystems in China

来源 :土壤圈：英文版 | 被引量 : 0次 | 上传用户：liner1018

【摘要】

：

Nitrogen, phosphorus, and potassium balances for agroecosystems in China from 1993 to 2001 were calculated at national and provincial levels using statistical d

【作者】

：

SHENRun-Ping SUNBo ZHAOQi-Guo

【机构】

：

InstituteofSoilScience,InstituteofSoilScience

【出处】

：

土壤圈：英文版

【发表日期】

：

2005年3期

【关键词】

：

中国经济因素时空变化氮磷钾土壤化学平衡 China economic factors NPK balance spatial and temp

【基金项目】

：

中国科学院知识创新工程项目

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Nitrogen, phosphorus, and potassium balances for agroecosystems in China from 1993 to 2001 were calculated at national and provincial levels using statistical data and related parameters, and their spatial and temporal variabilities were analyzed with GIS

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Spatial and Temporal Variability of N, P and K Balances for Agroecosystems in China

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