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中文
Soil Fertility Change of Typical Farmland in the Middle and South Plain Area of Hebei Province
孙彦铭,刘克桐,贾良良,段宵燕,杨瑞让
Chinese Agricultural Science Bulletin . 2016, (
9
): 164 -169 . DOI: 10.11924/j.issn.1000-6850.casb15120027
