Actual Evapotranspiration

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The Agricultural Meteorology Division of IMD established a network of 33 weighing type and 7 volumetric type lysimeters for different crops in each major soil climatic regime. The data collected at these stations over the last three decades.

These data are useful to planners, scientists and agrometeorologists in particular. It enables them to study ET losses weekwise, seasonwise, cropwise, to identify the period of peak consumption of water and the critical periods of crop life cycle when the water need must be met, and to analyse the ET data (thus generated) in comparision with pan evaporation data.