黄土丘陵区小流域土壤氮素流失规律
张兴昌, 邵明安
Soil Nitrogen Loss by Erosion as Affected by Vegetation Cover and Comprehensive Managements in Zhifanggou Catchment of Hilly Loess Plateau
ZHANG Xing chang, SHAO Ming an
地理学报
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2000, (5): 617
-626
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DOI: 10.11821/xb200005011