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Measuring macro- and micro-nutrients in soil with ICP-OES

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Measuring macro- and micro-nutrients in soil with ICP-OES

Post  bejoy on Wed Sep 27, 2017 2:26 am

A key to producing abundant crops is the quality of the soil in which they are grown. Soils lacking the proper nutrient content will yield fewer crops of lower nutritional value than crops grown in good soil.

Poor soil can be enhanced by the application of fertilizer, but the nutrient content of the soil must be known in advance so that the proper type and amount of fertilizer can be added.

When determining the elemental content of soils, both sample preparation and analysis must be considered. Sample preparation generally involves subjecting the soil samples to acid at elevated temperatures so that the elements of interest are extracted into the acid. This can be accomplished in two ways: open vessel or closed vessel.

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