Abstract: _______________________________________________________________________________________________
• M. Sc. in Agricultural Science (Agricultural Economics): Department of Agricultural Economics, Faculty of Agriculture, ElMansoura University, 2016.
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Egypt has suffered from lack of current water resources to achieve its needs especially because of Egypt's seeking to increase agricultural lands in addition to regional challenges which Egypt faces with Nile countries. The agriculture sector is one of the most important sectors that consumes water. It consumes about more than 80% of the available water resources. Kafr El-Sheikh is one of north Delta governorates which is facing a shortfall in water resources because most of its territories are at the ends of the main canals. So it depends on the agricultural drainage water to balance between needs and water resources by mixing the agricultural drainage water with water canals.
For these reasons, the research paper aims mainly at achieving, The economic efficiency effect of using kinds of water irrigation on the Rice Production under the affect of using the fresh water, darning water, and waste water in the agricultural sector.
Qualitative and quantitative methods were utilized to achieve the study purpose. Such as, ANOVA, Least Significant Deference(L.S.D.), The Deterministic Frontier Approach, using Data Envelopment Analysis (DEA) to estimate economic efficiency.
The study included six chapters: The first chapter has dealt with the literature review and research frame work, the second chapter has concerned with the current and future situation of water and land resources in Egypt, the third chapter has dealt with the current situation of the most important crops in Egypt especially in Kafr El-Sheikh , while the fourth chapter studied the sample of field study, the fifth chapter has concerned with the economic analysis of using different kinds Of water irrigation impact on the economic indicators of the most important crops, in addition to the six chapter which has concerned with measuring estimation of using different kinds Of water irrigation effect on economic efficiency of the most important crops. The study also included an Arabic and an English summaries, in addition to Arabic and foreign references.
The study reveals the following results:
1. . Nile water contribution to the offered quantity of water has decreased from about 82.52% in 2000-2001 to about 73.03% in 2013-2014, while the the quantity of of agricultural drainage water has risen from about 8.43% to about 14.61% during the same period.
2. The available water resources of the agricultural sector has increased by about 0.567 billion m3, equivalent to approximately 0.95% per year while the terrestrial unity share of water resources has reached about 7030 m3 during the same period. The terrestrial unity share of drainage water has increased from about 530 m 3 in 2000, to about 1406 m 3 in 2013.
3. It is expected to increase agricultural drainage water from about 12.09 billion m3 in 2018, for about 13.79 billion m3 in 2020, as well as wastewater from about 1.33 billion m3, for about 1.36 billion m 3. It is also expected to increase agricultural water uses from about 63.95 billion m3, for about 64.59 billion m3 during the same period.
4. Production capacity of sugar beet in Kafr El-Sheikh represents about 41.24% of republic production of the while rice represents about 9.71% of Republic production .
5. Productivity of sugar beet crop reaches about 23.87, 22.11, 20.84 tons / acre in fresh water irrigation, mixed water, agricultural drainage water respectively. Total revenue reaches about 9170, 9709.8353 pounds / acre respectively. Net return reaches about 3442 acres, 2871.2179 pounds / acre. Profit reaches about 0.55, 0.46, 0.35 pound respectively. Unit water productivity reaches about 11.37 10.53, 9.92 tons per unit of water, and the amount of water to produce a unit reaches about 95, 101 and 88 m 3 respectively. The net return per unit of water reaches about 1376.1639, 1038 pounds / acre respectively.
6. Productivity of rice crop reaches about 4.00, 3.01, 2.77 tons / acre freshwater irrigation, water mixed, agricultural drainage water, respectively. In addition to that there are significant differences between the irrigation quality of fresh water and mixed water, and between fresh and drainage water, while there is no significant difference between the mixed and drainage water in any familiar significant levels. This reflects that fresh water is the best one for the rice crop. Total revenue reaches about 7757, 5778, 5303 pounds / acre, respectively, and a net acre return reaches about 2716, 655, 471 pounds / acre for each of them, respectively. Unit water productivity reaches about 0,69 , 0,52 , 0.48 tons per unit of water, and the amount of water to produce a unit reaches about 2101 ، 1934 ، 1455 m 3 respectively. That means irrigating by fresh water is the best for the rice crop.
7. The farms irrigated by mixed water are more technological efficiency than those irrigated by freshwater and drainage water, as well as the farms irrigated by freshwater are more technological efficiency than those irrigated by drainage water while the economic efficiency (EE) reaches about 68.2% , 71.4% , 67.5% respectively
8. The farms irrigated by freshwater are more technological efficiency than those irrigated by mixed and drainage water, as well as the farms irrigated by mixed water are more technological efficiency than those irrigated by drainage water while the economic efficiency (EE) average reaches about 61.9%, 52.9%, 50.8% respectively.
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