Surface water nitrate (NO~-) pollution from agricultural production is well established, although few studies have linked field N budgets, NO~loss in tile drained watersheds, and surface water NO~loads. This study was conducted to determine field sources, transport, and river export of NO~from an agricultural watershed. The Embarras River watershed at Camargo (48 173 ha) in east-central Illinoi...

abstract the main purpose of this research was the analysis of economic effects of fish farming pools establishment in ardal county of chaharemahal and bakhtiyari province. this research was a sort of survey search measure and a questionnaire was compiled for collecting of data. statistical society of this study was included of 171 fish farming units that 75 units were chosen by random sampling...

The agricultural production system in Sri Lanka consists of two traditional and well-defined components. One is the plantation section, established during the colonial period, consisting of large units, and producing perennial crops such as coffee, tea, rubber, and coconut mainly for export. The other is the smallholder sector comprised of small farms which produce most of the country’s rice, v...

Steady growth of global demand for agricultural products provides opportunities Russian economic development. Since the country’s considerable (but geographically heterogeneous) potential and government policies encourage import substitution food exports, main possibilities export development should be explored considering regional differences. The present research substantiates feasibility dev...

raisin is one of the most important agricultural products in iran. iran after the turkey and america countries is the third largest exporter of raisin in world. using the indices of export advantage, import advantage, concentration ratios and the herfindahl-hirschman, have been analyzed to check the state trade and market structure of export and import of raisin product in the world during 2001...