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Effect of Different Ratios of Organic Manure and Chemical Fertilizer on Improving Maize Yield and Soil Physical Properties
孙文涛 宫亮 包红静 刘艳 孙占祥
Chinese Agricultural Science Bulletin . 2011, (3): 80 -84 .  DOI: 10.11924/j.issn.1000-6850.2010-2746