tuberose (polianthes tuberosa l.) is one of the most important bulbous ornamental crops of tropical and subtropical areas. the objective of the present study was to determine the interaction effects of salinity and irrigation intervals on growth and flowering of two important commercial cultivars (‘mahallati’ and ‘dezfuli’) of tuberose (polianthes tuberosa l.). irrigation treatments consisted o...

pricing policies play an important role in water demand management and its optimal allocation. determining proper water price leads to optimal allocation of water especially in agricultural consumptions. applying new subsidy targeting law in iran which insists on pricing water based on its supply cost, will effects considerably on water resource management in agriculture sector. so, in this stu...

water is a main resource in sustainable development planning where the management of quality and quantity of these resources play an important role in public health and social welfare. on the other hand, due to social, economic and environmental values of this vital resource, water resource management is considered as a very important task. the long term water strategies are not only a useful g...

economic valuation of water is useful in the administration and management of water. population growth and urbanization caused municipal water demand increase in iran. limited water resource supply and urban water network capacity raised complexity in water resources management. present condition suggests using economic value of water as a criterion for allocating policies and feasibility study...