ISHS Acta Horticulturae 726: IV International Symposium on Pistachios and Almonds
DETERMINATION OF PISTACHIO CROP EVAPOTRANSPIRATATION (ETC) |
| Authors: | M.M. Kermani, F. Salehi |
| Keywords: | Pistacia vera L., water requirements, lysimeter |
| Abstract:
In this study, by using of a concrete lysimeter (with the dimension of 9 × 6 m, and average depth of 3.4 m with an overall slope of 2%), evapotranspiration (ETC) of pistachio plant (Pistacia vera L.) from planting to 10 years of age was determined. The procedure in each irrigation interval was done by measuring of applied water, and subtracting daily measured drainage water: to get crop water usage in each interval. At the end of the first phase of the experiment (Cultivation to crop production initiation), the amount of needed water and crop coefficient (KC) in each month of the year was determined. It should be mentioned that KC values were obtained by dividing the ET in each interval by ETO (Obtained from a lawn lysimeter in another experiment in the same time near the pistachio lysimeter). | |
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