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| First Page | Document Content | |
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 Date: 2011-12-01 06:58:04Soil test Soil DNA extraction Land use Phospholipid-derived fatty acids Land management Chemistry Biology |
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| First Page | Document Content | |
|---|---|---|
Date: 2011-12-01 06:58:04Soil test Soil DNA extraction Land use Phospholipid-derived fatty acids Land management Chemistry Biology |
|
Soil sampling procedure used for the National Soil Database