نتایج جستجو برای: year acreage
تعداد نتایج: 593659 فیلتر نتایج به سال:
The commodity markets have been bidding for acreage due to biofuels creating increased demand for corn and soybeans. Currently, the major decision facing producers is determining the enterprise mix for 2008 in the midst of higher commodity prices. This memo compares the Return over Variable Costs for cotton and peanuts and analyzes the breakeven yields and prices for non-irrigated and irrigated...
BACKGROUND Tractor overturns kill an average of 100 farmers and farm workers per year. Roll-over protective structures (ROPS) are a proven intervention, but are not on a sufficient number of tractors in the US to reduce these deaths. Little has been reported on ROPS use by racial minority farm operators. METHODS Data from the NIOSH OISPA survey were used to assess ROPS prevalence rates from a...
Panelists respond to the question, “What does industry need from simulation vendors in Y2k and after?” The panelists include software vendors, simulation modelers from industry, simulation consulting, and academia.
The Bienville National Forest (BNF) in central Mississippi experienced an outbreak of southern pine beetle (SPB) beginning 2015 and continuing through 2019. To assess the extent subsequent treatments impacted areas, high-resolution imagery was obtained from various sources interpreted to determine feasibility this for detecting SPB spots tracking their spread treatments. A negative binomial reg...
Water shortage crisis is an issue that has led to drastic changes in different agricultural policies, especially in arid and semi-arid areas. Uncertainty in the amount of resources, e.g. water, used for agricultural production entails risk for farmers' income and cropping pattern changes. In the present study, the robust optimization model was used for optimal allocation of arable lands of Khor...
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