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multiple defoliation effects on herbage yield vigor and total nonstructural carbohydrates of five range species.pdf
大小：1.49MB
时间：2014-04-02 10:20
soluble carbohydrates concurrent photosynthesis and efficiency in regrowth following defoliation a field study with agropyron species.pdf
大小：1.23MB
时间：2014-03-29 14:32
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