The impact of changes in prices and availability of water resources in the optimal crop pattern using positive mathematical programming, study Hamedan province

In recent decades excessive harvesting and lack of management right next to continuous droughts have highlighted the importance of the water supply. Water harvesting of resources existing for use in agriculture as the most important part ofwater use in the world,Today needs to be revised,To the planning and economic analysis done and cropping pattern area is formed on the basis of productive resources in the same area. In this study effect of increasing the price of waterpolicy and change in available water resources is reviewed. This territory is plain, Bahar, in the crop year 2013-2014.In the first place cropping pattern is detectedAnd then formed a new model is in line with positive mathematical programming Scenarios of water pricing and water resources reduction in crop were studied.The results indicate an increase in the value of water Scenario 75 percent reduction inwater resources in group 1 and group 2 to the amount of 501/355 469/412 values are.The 75 percent increase in water prices, water prices Products beans and sunflower, alfalfa, peas, onions spewing from the cropping pattern.

کلیدواژه ها:

Cropping patterns ، Mathematical programming ، PMP ، Resource depletion ، Value of water