Madras Agricultural Journal
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Relationship Between Ambient Temperature and Soil Temperature at Different Moisture Levels

Abstract

In dryland agriculture the establishment of the crop is important. It is, depen- dent on germination and seedling growth which are affected by ambient temperature, soil temperature and soil moisture. A simple correlation between these factors have been worked out. There was hardly any difference between the ambient and soil tem- perature during the khari! (monsoon season). In rabi (winter season) the soil temper- ature was lower than the ambient temperature by several degrees. Soil moisture influ- enced this relationship. During summer season the ambient temperature and soil temper- ature correlated strongly.

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