资源 标记: Soil Testing
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- Access Agriculture Training Video Soils that are depleted or heavily leached are often acidic. Soils can also become acidic from the high use of chemical fertilizers. Acidic soil inhibits the bacteria that help organic matter to decompose. Acidic soil makes some nutrients less available to crops....
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- 2013-01-31 This is a laboratory protocol that outlines methodsof extracting, and analyzingNO3- from soil.
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