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Soil temperature management

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Use of organic and synthetic mulches: Mulches keep soil cooler in hot summer

and warm in cool winter.

Soil water management: High moisture content in humid temperate region lowers

soil temperature.Tillage management: Tilling soil to break the natural structure reduces the heat

conductance and heat loss. A highly compact soil looses heat faster than loose

friable soil.

Methods of measuring soil temperature: Mercury soil thermometers of different

lengths, shapes and sizes with protective cover are buried at different depths to

measure the temperature. Thermo couple and thermister based devices are also

available. Infra-red thermo meters measure the surface soil temperature. Automatic

continuous soil thermographs record the soil temperatures on a time scale. The

International Meteorological Organization recommends standard depths to measure

soil temperatures at 10, 20, 50 and 100 cm.

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