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石羊河下游民勤绿洲不同年限退耕地土壤物理性质变化研究
郭春秀,王理德,韩福贵,马剑平,何芳兰,刘淑娟,王方琳,张莹花,魏林源
Studies of Soil Physical Property of Different Abandoned Lands in the Minqin Oasis, Downstream of the Shiyang River
中国农学通报 . 2014, (27): 72 -76 .  DOI: 10.11924/j.issn.1000-6850.2014-0677