UVM Extension Crops and Soils Team Organic Valley Research Update
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Heavy metal content of agricultural soils in a Mediterranean semiarid area: the Segura River Valley (Alicante, Spain)
Assessment of the content and sources of heavy metals in soils is required to identify agricultural areas affected by contamination on a regional level, according to the European Thematic Strategy for Soil Protection. The total content of Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb and Zn of 29 agricultural soils used to grow vegetable crops such as artichoke, broccoli, and potato, in the Segura River Valle...
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For us, UVM arrived at exactly the right time. Our large new project evidently called for more powerful verification techniques than its predecessors. At the same time, a change of tool chain was on the horizon, bringing cross-vendor compatibility concerns to the fore. Finally, many members of the team were beginning to take their first steps in OOP and constrained-random verification, making i...
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John R. Teasdale is a plant physiologist at the Sustainable Agricultural Systems Laboratory, USDA Agricultural Research Service, Beltsville, Maryland. N o-tillage cropping systems are known to provide many benefits to soils that can enhance production of grain crops. Many of the improvements to soils that result from no-tillage production such as increases in soil aggregation, water-holding cap...
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• Solarization Stapleton, J. J., Molinar, R. H., Lynn-Patterson, K., McFeeters, S. K., and Shrestha, A. 2005. Methyl bromide alternatives. Soil solarization provides weed control for limited-resource and organic growers in warmer climates. California Agriculture 59 (2):84-89. PDF Abstract: This paper describes the use of soil solarization technology for weed management, as conducted by the Univ...
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Decreased additions of sulfur to the atmosphere through low sulfur diesel fuel and reductions in industrial emissions have lead to a decrease in incidental deposition of sulfur for crops. This has left some to question if sulfur needs to be supplied to most crops as fertilizer. Current recommendations for sulfur fertilizer applications in Minnesota are limited to sandy soils with low organic ma...
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تاریخ انتشار 2010