Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"phosphorus management"”.
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Nitrogen and Phosphorus Management in the Mid-Atlantic
Managing nitrogen (N) and phosphorus (P) in agricultural systems in the Mid-Atlantic is an important practice due to environmental and economic concerns. The objectives of the experiments reported in this dissertation were: (1) evaluate irrigation via evapotranspiration (ET) calculations for fresh …
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Phosphorus Management: An Analysis of the Virginia Phosphorus Index
Excess phosphorus (P) that is transported into water bodies can cause water quality problems. A high potential for P delivery occurs when there is a high transport potential from erosion, runoff, and/or leaching coupled with high soil test P and/or high rate of fertilizer P application. A …
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Improving phosphorus management through coordinated watershed modelling and systems analysis
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-12-01
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Uncertainty Analysis of the Performance of a System of Best Management Practices for Achieving Phosphorus Load Reduction to Surface Waters
… harmful algal blooms suggests an inadequate phosphorus management system that results in excessive loads to the lake. In response, Canadian and United States’ governments have issued a new management objective, a 40% reduction in total and dissolved reactive phosphorus loads relative to 2008. …
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Evaluating diagnostic tools for phosphorus and sulfur management in corn
Efficient management of essential nutrients, such as phosphorus (P) and sulfur (S), is critical for maximizing corn productivity. This study aimed at enhancing corn production by evaluating diagnostic tools for nutrient management and optimizing fertilization practices, focusing on P and S …
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Factors influencing phosphorus losses in agroecosystems dominated by tile drainage
Phosphorus is an important macronutrient for crop production but phosphorus surpluses may be conveyed from diffuse sources to streams via surface runoff and artificial subsurface (perforated plastic pipes called tiles) drainage affecting the quality of receiving aquatic ecosystems. However, …
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Optimizing nutrient availability for high-yield corn production
… hybrids require higher amounts of nutrients and management to sustainably produce higher yield levels. Throughout a growing season, there are several factors that affect nutrient availability to plants, ultimately influencing how well a plant can partition nutrients into the required plant …
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Improved agronomic management of corn and soybean to increase productivity
… would have been possible without improved crop management and cultivars that have led to these ever-increasing yields. While growers do not have much influence in the genetics that come to market, it is up to them to implement whatever agronomic management practices they wish to use. A drawback …