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 2 of 2 for “"Specific Catchment Area"”.
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Spatial Variability of Corn Response to Nitrogen Fertilizer: Implications for Variable Rate Fertilization
… were to develop a methodology to estimate site-specific production functions useful to provide recommendations for variable rate nitrogen fertilization, to assess the economic value of this technology and to analyze the spatial variability of the Illinois Soil Nitrogen Test (ISNT). On-farm …
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Improved Environmental Characterization to Support Natural Resource Decision Making: (1) Distributed Soil Characterization, and (2) Treatment of Legacy Nutrients
… Spatial characteristics, including slope, catchment area, and topographic wetness, are derived from several DEMs. In chapter 2, these characteristics are spatially compared, and we found that small resolution rasters result in narrow flow paths relative to coarser rasters. In chapter 3, we …