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基于GIS的河南省县级耕地地力评价研究
崔磊 马莉莉
Research on Evaluation of Soil Fertilities of Farmland at County Level in Henan Based on GIS
中国农学通报 . 2012, (17): 252 -255 .  DOI: 10.11924/j.issn.1000-6850.2012-0151