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中国农学通报
河北省冀中南平原区典型农田土壤肥力演变特征
孙彦铭,刘克桐,贾良良,段宵燕,杨瑞让
Soil Fertility Change of Typical Farmland in the Middle and South Plain Area of Hebei Province
中国农学通报 . 2016, (9): 164 -169 .  DOI: 10.11924/j.issn.1000-6850.casb15120027