集约化农区土地利用变化对土壤养分的影响——以河北省曲周县为例
孔祥斌,张凤荣,齐伟,徐艳
The Influence of Land Use Change on Soil Fertility in Intensive Agricultural Region: A Case Study of Quzhou County, Hebei
KONG Xiangbin, ZHANG Fengrong, QI Wei, XU Yan
地理学报
.
2003, (3): 333
-342
.
DOI: 10.11821/xb200303002
