949 resultados para Agricultural sprayer


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We employ the case of USAID's Linking Agricultural Markets with Producers (LAMP) project to address opportunities and obstacles to development assistance. Framed within LAMP's identification of constraints to growth within Bosnia's agricultural market, we explore the complex interorganizational linkages required for success. We identify three distinct linkage types inherent to development situations. Relationships exist (1) within the international community, (2) within the local Bosnian community and (3) between international and local organizations.

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The case study reported below examines USAID's "Linking Agricultural Markets with Producers" program. This program complemented Bosnia and Herzegovina's overall sustainable agriculture policies. Implementing organizations quickly recognized that sustainability must be achieved not only from an environmental perspective, but in the interorganizational domain as well. Public, private and nonprofit players had to develop the social, economic and political infrastructure required for sustainable agricultural projects to succeed. These institutional changes were at times more difficult than the sustainable agriculture policies and practices they supported. Framed within LAMP's identification of constraints and proposed solutions for agricultural reform, we explored the interorganizational linkages required for success. We identified three distinct types: 1) those within the international community, 2) those within the local community and 3) those between international and local organizations. The case illustrates the institutional and managerial obstacles to and opportunities for implementing sustainable development reforms in transition settings.

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Conservation agriculture that focuses on soil recovery is both economically and environmentally sustainable. This lies in contrast with many of the current agricultural practices, which push for high production, which, in turn lead to over-depletion of the soil. Agricultural interest groups play a role in crafting farming policies with governmental officials. Therefore, my study examined three interest group types agribusinesses, farmer organizations, and environmental NGOs that seek to influence agricultural policy, specifically focusing on the federal farm bill, due to its large impact throughout the nation. The research in which data wasgathered through subject interviews, a literature review, and databases found that access to governmental officials affects the amount of influence a group can have. Access is contingent upon: 1) the number of networks (social, professional, and political), 2) amount of money spent through campaign contributions and lobbying expenditures, and 3) extent of business enterprises and subsidiaries. The evidence shows that there is a correlation between these variables and the extent of access. My research concludes that agribusiness interest groups have the most access to government officials, and thus have the greatest influence on agricultural policies. Because agribusinesses support subsidies of commodity-crops this indirectly impacts conservation agriculture, as the two programs compete in a zero-sum game for funding in the farm bills.

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While bryophytes greatly contribute to plant diversity of semi-natural grasslands, little is known about the relationships between land-use intensity, productivity, and bryophyte diversity in these habitats. We recorded vascular plant and bryophyte vegetation in 85 agricultural used grasslands in two regions in northern and central Germany and gathered information on land-use intensity. To assess grassland productivity, we harvested aboveground vascular plant biomass and analyzed nutrient concentrations of N, P, K, Ca and Mg. Further we calculated mean Ellenberg indicator values of vascular plant vegetation. We tested for effects of land-use intensity and productivity on total bryophyte species richness and on the species richness of acrocarpous (small & erect) and pleurocarpous (creeping, including liverworts) growth forms separately. Bryophyte species were found in almost all studied grasslands, but species richness differed considerably between study regions in northern Germany (2.8 species per 16 m2) and central Germany (6.4 species per 16 m2) due environmental differences as well as land-use history. Increased fertilizer application, coinciding with high mowing frequency, reduced bryophyte species richness significantly. Accordingly, productivity estimates such as plant biomass and nitrogen concentration were strongly negatively related to bryophyte species richness, although productivity decreased only pleurocarpous species. Ellenberg indicator values for nutrients proved to be useful indicators of species richness and productivity. In conclusion, bryophyte composition was strongly dependent on productivity, with smaller bryophytes that were likely negatively affected by greater competition for light. Intensive land-use, however, can also indirectly decrease bryophyte species richness by promoting grassland productivity. Thus, increasing productivity is likely to cause a loss of bryophyte species and a decrease in species diversity.