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利用土壤密度分馏分离不同的土壤碳库
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JoVE Journal Environment
Utilizing Soil Density Fractionation to Separate Distinct Soil Carbon Pools
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利用土壤密度分馏分离不同的土壤碳库

English

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2,109 Views

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09:19 min

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December 16, 2022

DOI:

10.3791/64759-v

DOI:
10.3791/64759-v

•

09:19 min
December 16, 2022

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19 Views
, , ,
1Department of Crop and Soil Sciences,Oregon State University, 2USDA Forest Service

Summary

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土壤密度分馏将土壤有机质分离到具有不同稳定机制、化学成分和周转时间的不同池中。具有特定密度的聚钨酸钠溶液允许分离游离颗粒有机物和矿物相关有机物，从而产生适合描述土壤对管理和气候变化响应的有机物部分。

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Pierson, D., Lajtha, K., Peter-Contesse, H., Mayedo, A. Utilizing Soil Density Fractionation to Separate Distinct Soil Carbon Pools. J. Vis. Exp. (190), e64759, doi:10.3791/64759 (2022).

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