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森林土壤坚实度的测定
Determination of forest soil hardness
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森林土壤溶液中氧含量的测定
Determination of oxygen content in forest soil solution
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森林土壤空气中二氧化碳含量的测定
Determination of carbon dioxide content in forest soil air
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森林土壤呼吸强度的测定
Determination of intensity of forest soil respiration
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森林土壤温度的测定
Determination of forest soil temperature
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森林土壤渗滤率的测定
Determination of forest soil percolation rate
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