Measurement of soil moisture in Poona black cotton soil Using an infra-red moisture balance
Keywords:soil moisture, black cotton soil, infra-red moisture balance, soil temperature
Measurements of soil moisture were made at 0, 15, 30 and 45 cm depths in black cotton soil at Poona in June-October 1973 using an infra-red moisture balance. The results are presented and discussed in relation to rainfall and evaporation.
Throughout the active monsoon period, the soil moisture in the 30-45 cm layer remained more or less constant 8.75 (25 per cent by weight). Due to evaporation and infiltration into lower level there was generally less moisture at 15 cm depth than at 30 or 45cm. The moisture content of the surface layer was most variable (8 to 32 per cent) and highly sensitive to rainfall and evaporation.
An inverse relationship has been observed between soil moisture and soil temperature at any depth.
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