Economic Vision of Optimum Cropping System for New Valley Governorate

The research amis at finding the best models for crop and vegetable installation in the New Valley Governorate in the light of resource management policies developing under consideration of the pricing of the water unit in the sense of sensitivity of the proposed water unit pricing model that could inform the decision – maker in modifying agricultural policies to rationalize the use of irrigation water to meet the needs of  agricultural in the new valley in keeping with the resources available in the governorate especially the water resource using multi – purpose programming as one of the means of economic planning and suggesting the best alternatives for the composition of the crop.
The research has relied on the use of multi –purpose programming in economic analysis, and it has been possible to obtain published and unpublished statistical data issued government agencies and institutions in the new valley Governorate, including the Directorate of agricultural and the Centre for information and decision – making in the governorate during the period (2013-2015).
ن065ing the period 2013-2015. - making ished statistical data issued government agencies and institutions in the new valley GFirst: The composition of the crop according to the minimum: the first scenario is to decrease the area under cultivation by about15.25thousand acres compared with the current situation, the net return of about 843.29million pounds. and the decrease in developing needs by some 35.6million m3.
The second scenario shows that there was no provision for water resources with a net return of about £ 149,63  million as a result of pricing added. are not available with a net return of about E 374.04  million as a result of pricing.
Second: Maximum composition in accordance with the limit: In the first scenario, the area under cultivation was reduced by about 18,04thousand acres, compared with the current situation, a net return of about 8,01million pounds and a decrease in developing needs by some 90.million m3.
- The second scenario and reduced water requirements were shown at about 92 .58 million m3, with a net return of about 136.01million pounds as a result of pricing.
- In the third scenario, the area under cultivation was reduced by about 61.63 thousand acres compared with the current situation, and net yield decreased by about 311.62.
- water pricing as a means of managing water resources has been found to have provided a portion of the water but has not  reached the level of decline in net yield.
The study recommends other systems of water rationalization, such as modern irrigation systems, and the conversion of earthen canals into more efficient (cement or plastic) channels.