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Showing items 40951 through 40959 of 73379.From 1991 to 1997, field observations on trials involving the use of metalaxyl and copper-based fungicides were made on farmers' farms in four Phytophthora megakarya affected cocoa growing regions of Ghana to control Phytophthora pod rot disease.
In human dominated landscapes, ecosystems are under increasing pressures caused by urbanization and infrastructure development. In Alpine valleys remnant natural areas are increasingly affected by habitat fragmentation and loss.
To preserve the quality of surface water, official French regulations require farmers to keep a minimum acreage of grassland, especially bordering rivers. These agro-environmental measures do not account for the circulation of water within the catchment.
In 2003 we conducted a study to determine the consequences of feral hog (Sus scrofa) invasions in several ecoregions of Texas. We examined the observations, experiences, and actions of landowners and managers concerning feral hogs on their property.
The paper examines agricultural production and productivity growth in two Central Asian countries – Tajikistan and Uzbekistan.
Water samples were collected for determination of dissolved trace metals in 56 sampling sites throughout the upper Han River, China.
The objective of this study is to determine the financing impact of total expenditure on the use of agriculture inputs (fertilizers, labor, and pesticides), and the output of cotton, rice, beans, corn, soybean, and wheat in Brazil. We study the period 1976–2005.
Homegardens are one of the oldest forms of managed land use systems characterised by high diversity and complexity of their species structure which in turn contribute to efficient nutrient cycling.
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