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长期定位施肥对冬小麦-夏玉米叶片叶绿素含量的影响
王建林
The effect on long-term fertilization to chlorophyll content of winter wheat (Triticum aestivum) and summer corn (Zea mays)
中国农学通报 . 2010, (6): 182 -184 .  DOI: 10.11924/j.issn.1000-6850.2009-2343