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长期秸秆与氮磷肥配施对土壤钾素形态的影响
孙伟红,劳秀荣,魏志强
Effect of Long-term Straw Combination to Fertility on Potassium Forms
Sun Weihong , Lao Xiurong , Wei Zhiqiang
中国农学通报 . 2004, (3): 159 -159 .  DOI: 10.11924/j.issn.1000-6850.0403159