following the collapse of the soviet :union: and independence of former soviet :union:republics, previous economic relations among centralasianrepublics changed and were replaced with the market economy. tensions have emerged between upstream and downstream countries located along transboundary rivers with downstream countries even resorting to threat of military action against possible restric...

This Elmhirst lecture first discusses the features of the institutional environment which allow rural people in low income countries to design, plan and implement their own rural development. These are divided into two broad groups: the institutional environment for rural development (environment for the private sector, communities and civil society, local government, and sector institutions) a...

Agricultural systems pose many challenges and problems that can be formulated as optimization problems. Among these major challenges are crop selection and irrigation planning. That is, to decide on the proper set of crops to be cultivated and a proper irrigation scheme. Such decisions are made to achieve a certain objectives that typically include the maximization of net profit and/or the mini...

Now days, turf management has encountered with water deficit, mostly due to low precipitation also industrial, agricultural and household demand and consumption. So, the objective of this project was to identify drought tolerance of warm and cool season turfgrass cultivars to different levels of regulated-deficit irrigation. The field experiment was set out in a split-plot based on completely r...

Assuming asymmetric information over farmer profits and zero transaction costs, prior literature has suggested that when regulating nonpoint source water pollution, a tax on management practices (inputs) can implement full-information allocations and is superior to a tax on estimated runoff. Using mechanism design theory under asymmetric information, this paper shows that under the same assumpt...

a benchmarking of policy instruments and experiences for improving farmland preservation in urban fringes of iran1. amir safaee, ph.d. candidate in environmental planning, faculty of environment, university of tehran, tehran- [email protected]. shahrzad faryadi*, associated professor, department of environmental planning and management, faculty of environment, university of tehran, tehran-...