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The Effects of Different Planting Densities and Fertilizer Rates on Chlorophyll, Dry Matter Accumulation and Yield of Oilseed Rape
张海鹏 刘强 宋海星 官春云 田昌
Chinese Agricultural Science Bulletin . 2011, (21): 112 -116 .  DOI: 10.11924/j.issn.1000-6850.2011-1050