In this article we will discuss about how to measure evapotranspiration in crop plants. The concept of PET was given by Thornthwaite (1948) who defined it as evapo-transpiration from a large vegetation covered land surface with adequate moisture at all times. According to Dalton (1882), Evaporation is a function of the difference in the vapour pressure of the water and [...]
Here is a compilation of essays on ‘Evapotranspiration’ for class 6, 7, 8, 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Evapotranspiration’ especially written for school and college students. Essay on Evapotranspiration Essay Contents: Essay on the Introduction to Evapotranspiration Essay on the Meaning of Evapotranspiration Essay on the Concept of Evapotranspiration Essay on the Factors [...]
Evapotranspiration is not easy to measure. Specific devices and accurate measurements of various physical parameters or the soil-water balance in lysimeters are required to determine evapotranspiration. The methods are often expensive, demanding in terms of accuracy of measurement and can only be fully exploited by well-trained research personnel. Although the methods are inappropriate for routine measurements, they remain important for [...]