Tomato yield and consumptive use under different water stress using plastic mulch [Lycopersicum esculentum]
1985
Qasem, J.M. | Judah, O.M. (Jordan Univ., Amman (Jordan))
Optimizing water use efficiency in the Jordan Valley in order to increase the irrigated area entails a proper irrigation schedule. This study was carried out to develop a procedure to schedule drip irrigation for tomato crop in the Jordan Valley using class A evaporation pan, by determining appropriate constants that relate pan evaporation to evapotranspiration, and to study the effect of different soil moisture tensions (20, 30, 40 and 50 centibars) on tomato yield. The results showed that tomato can be irrigated by drip irrigation when the soil moisture tension reaches 50 centibars with no significant differences in yield compared to the lower tensions (20, 30, 40cb). The water applied and consumptive use were found to decrease with increasing soil moisture tensions. Crop coefficient increased rapidly to a maximum during the flowering stage and then declined at the end of the season
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