81
production alternatives, except under deficit irrigation with added area. This result
is attributed to only new lands is cultivated this governorates, thus the cultivation on
raised beds was not implemented.
4.4 Conclusion
Our results indicated that application of deficit irrigation to Egyptian clover and
sugar beet grown on raised beds allowed saving large amounts of irrigation water.
This amount could be used to increase the cultivated area of another crop has
production- consumption gap. The results showed that cultivation on raised beds and
application of deficit irrigation to Egyptian clover resulted in increasing its total
production by 13% and 8%, respectively. With respect to sugar beet, cultivation on
raised beds and application of deficit irrigation resulted in increasing its total production by 10% and 5%, respectively. In both crops, application of deficit irrigation
on raised beds resulted in higher water productivity value than the value obtained
under traditional cultivation.
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4 Field Crops and Deficit Irrigation in Egypt
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