Purpose: to characterize the main sources of irrigation water in steppe zone Crimea and assess prospects for their further use. Materials methods. Statistical information on resources use irrigated agriculture results monitoring observations over resource composition part peninsula are considered. To feasibility using limitedly suitable waters agriculture, phytotesting radish corn seeds con-duc...

land use optimization is one of the appropriate methods for soil conservation which helps decision makers and watershed planners in order to make the optimum decision among different land uses. the main objective of this research was to find the optimum area of each land use to reduce soil erosion rate as well as to increase the income of stakeholders in golroudbar watershed located in semnan p...

The issue of updating information about the aridity index AI for various agro-climatic regions Republic Azerbaijan is considered in article. It has been found out that irrigated lands are mainly concentrated arid zones with an (hydrothermal) = 1.3...3.0 (for soils different degrees salinity and intensity erosion processes). humidity (water) deficit D on average 199...800 mm. noted obtaining gua...

in this study economic and welfare impacts of establishing irrigation water market in qazvin province as well as potentiality of irrigation water transfer under stress irrigation conditions in the cities of qazvin province were analyzed. to achieve the above objectives, positive mathematical programming model and state wide agricultural production functions were used. to achieve applicable resu...

This paper describes the results of an empirical investigation of the variation in reforestation among different types of forest tenure in British Columbia. Indicators of management, based on available statistical information about not satisfactorily restocked (NSR) lands and artificial reforestation on cutover lands, are compared across four major forms of tenure, ranging from relatively secur...

karkhe watershed (kw) with more than 5 million hectares recently encountered many problems in the natural, social and man-made habitats. unsuitable use of land, soil erosion and lack of rainfall are the most destructive factors in this watershed affecting the whole region fundamentally. as expected, these problems have caused a considerable fall in biodiversity in fauna and flora, a decrease in...

Search for an adapted forage species for feed production under existing marginal lands and harsh conditions is needed to overcome sever feed shortage in Egypt. Sesbania, Sesbania aegyptiaca (Sesbania sesban, L) has shown potential for forage production and being included in grazing systems, especially on marginal lands and salt–affected soils. An experiment was conducted in the summer of 2004 a...