The main purpose of this study was to explore the factors affecting optimal management of agricultural water in Hamadan's area. The statistical population of the study included all Hamadan's farmers. A number of 148 farmers were selected randomly through a proportional sampling method in two phases. Both questionnaire and interview techniques were used in order to collect data. The empirical an...

Agricultural mechanics is an important part of the total agricultural education program (Phipps, 1983). In many courses, the time allocated for instruction in agricultural mechanics comprises 25-40% of the total instructional time (Phipps, 1980). Much of the agricultural mechanics instruction takes place in the agricultural mechanics laboratory. Therefore, efficient management of the agricultur...

We develop a general framework for multifunctional agriculture, which includes not only public goods but also rural viability as a non-public good item. We contribute to the literature in two ways. First, we demonstrate how the broader definition of multifunctional agriculture differs from the agrienvironmental multifunctionality, and how agri-environmental policy should be reformed to include ...

The scarcity of water resources and supply resources limitation, have caused an increasing gap between water supply and demand specially in recent decades in almost all regions of the globe. One of the best known solutions proposed by the economists is using the different water pricing approaches thereby obtaining the optimal allocation and social justice. To this purpose, this paper uses the p...

the production of public goods like amenity value of the landscape, food security, preservation of rural communities and rural lifestyle, by agricultural sector is a subject that has been widely accepted by experts. however, in many policies and political analyses carried out, solely the production of private goods by the agricultural sector is paid attention and the important function of publi...

We develop and implement a model for a profit maximizing firm that provides an intermediation service between commodity producers and commodity end-users distributed over a realistic spatial network. Producers and end-users trade with the firm through contracts for delivery of grain during the marketing season. The firm begins the marketing season with a portfolio of prearranged purchase and sa...