Determination of Potential Evapotranspiration seed Alfalfa with Lysimeter in the gazvin
2010
Ebrahimipak, Niaz ali
The objective of this study was obtain actual crop evapotranspiration of Alfalfa. A field experiment was conducted in Qazvin Agricultural Research Station in ٤ years cropping seasons, by using a drainage lysimeter. Results showed that total actual evapotranspiration was ١٣٦٦ mm. Total water drainage was ٢٧٥ mm. Maximum daily actual evapotranspiration was ٨,٠٨ mm/day and. Average daily actual evapotranspiration was ٤,٠٥ mm. Evaporation form pan evaporation was ١٦٤٢,٦ mm and average evaporation ٧,١١ mm/day. Relative ETc . / Epan was ٠,٨١
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