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| Filter results3 paper(s) found. |
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1. Nutrient Management in a Regulated EnvironmentLaws and regulations mandate nutrient management that good managers have long practiced or should have. Prior to governmental regulations, economics was a major regulator. However, high returns on nitrogen inputs led to over application, causing environmental issues and human health concerns, which led to legal regulation. The Federal Clean Water Act (CWA) and the California Porter-Cologne Act provide for regulation of pollution of surface waters, groundwaters, and wetlands. The statewide Water... N. Dellavalle |
2. Utilizing Food Processing By-products As a Soil Amendment: Soil Nutrient AvailabilityWe studied the impact of food processing by-products which contain high moisture content, low pH, high total dissolved salts, and trace elements. The primary goal of this project was to develop best management practices for sustainable reuse of food processing by-products as a soil amendment on California farmlands. Quantifying soil nutrient availability from these by-products is critical to growers to carefully establish fertilizer replacement value to improve their crop nutrient use efficiency... S. Pasakdee, N. Dellavalle |
3. Evaluating Potential Impacts of Land-applied Food Processing By-products on Soil Quality and Plant NutrientsFood processing canneries, especially those using raw fruit, nut, and vegetable- base materials, generate various types of by-products or non-hazardous wastes. The constituents of these wastes are dependent on the source of raw material and the substances associated with the canning processes. The use of land-applied non-hazardous wastes as an agricultural soil amendment is projected to rise because of public concerns regarding environmental impact and economic restraints of their disposal to... S. Pasakdee, N. Dellavalle |