Soil Organic Carbon

Soil organic carbon is a measureable factor of soil organic matter. ... Organic matter gives to nutrient holding and turnover, soil structure, moisture retention and availability, degradation of pollutants, carbon sequestration and soil resilience.

Decomposition of soil organic matter facilitates nutrient availability. Plant growth is nourished by the release of nitrogen, phosphorus and other nutrients. The water holding capacity and rainfall infiltration properties of organic carbon soils creates better landscape moisture availability.

Determination of Soil Organic Carbon:

1.         Take 1 g of soil in a 500 mL conical flask.

2.         Add 10 mL of 1N K2Cr2O7 solution and shake to mix it.

3.         Then add 20 mL Con. ...

4.         Allow the flask to stand for 30 minutes on an asbestos sheet for the reaction to complete.

5.         Pour 200 mL of water to the flask to dilute the suspension.

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