Irrigation enterprises can be evaluated from a perspective of technical and environmental efficiency. This study determines the technical and environmental efficiency in irrigated cotton enterprises. This is achieved by investigating efficiency at cotton enterprise in the case study area of the...

The CLUES model is an integrated catchment based model that designed to assist policy makers in understanding the implications of land use scenarios for water quality and a range of other indicators. CLUES integrates a number of existing models from several research providers, including SPARROW...

The aims of our paper are to identify economic determinants of theon-farm cultivars diversity and to empirically characterize the farmers'diversi…cation choices. We focus on the private decision making processinvolving the choice of rice cultivars and the corresponding allocation offarmland....

The U.S. Geological Survey has determined that irrigation in Arkansas’ Delta is unsustainable. This study examines how irrigation restrictions would affect county net returns to cropproduction. It also considers the effect of planting less water-intensive bioenergycrops—switchgrass and...

This study describes the development of bio economic models examining the economic and water quality impact of various proposed policy options in the Upper Waikato catchment. In the first phase nitrogen emissions are determined for representative farming systems using the Overseer nutrient...

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The recent/current recession provides the opportunity to study the effects of the macroeconomic changes on the agricultural production systems in the Great Plains and trace some of its impacts through the system to changes in primary inputs such water resource use. Therefore, the objective of...

The restructuring process of the food markets in South Africa is at an advanced stages of consolidation and the emergence dominance of few supermarket chains expanding into non-traditional areas, through franchise format stores and forecourt stores overtaking informal wet markets and green...

The paper estimates the cost of tsetse control and treatment of trypanosomiasis and the benefits involved, using benefit-cost analysis. It also estimates the extent to which socio-economic characteristics of farmers affect the use of tsetse control techniques, using a maximum Likelihood-Binary...