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中国农学通报
生草和覆盖对梨园土壤水分和结构的影响
王庆江,程福厚,赵志军
Effects of Grassing and Mulching on Soil Water and Structure of Pear Orchard
Wang Qingjiang, Cheng Fuhou, Zhao Zhijun
中国农学通报 . 2010, (9): 259 -262 .  DOI: 10.11924/j.issn.1000-6850.2009-2499