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Full-Text Articles in Physical Sciences and Mathematics
The Transfer Of Agricultural Water To Municipal And Industrial Usages, Dallin Paul Stephens
The Transfer Of Agricultural Water To Municipal And Industrial Usages, Dallin Paul Stephens
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The water that is available for beneficial use in Utah is quickly approaching full appropriation; water that has been claimed is nearing the amount that is available for use. The Division of Water Resources of the State of Utah has organized a three-part plan to "Plan, Conserve, Develop and Protect Utah's Water Resources." One of these three elements has a focus to "provide comprehensive water planning." Such planning is best achieved when current and accurate data on the uses of the state's water are available.
The primary purpose of this thesis was to provide an evaluation, from data collected on …
A Model For Designing Surface Drainage Systems In Nearly Level Agricultural Lands, Rafael Maria Rojas
A Model For Designing Surface Drainage Systems In Nearly Level Agricultural Lands, Rafael Maria Rojas
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The increasing demand for reclamation of periodically waterlogged nearly level agricultural lands in humid tropical areas and the hazard of soil deterioration and soil moisture balance disturbances by current land forming methods suggests the need for investigations of new surface drainage design procedures. This report presents a rainfall-runoff model for simulating hydrographs from ungaged agricultural plots. The model is based on routing procedures and utilizes common soil and hydrologic data. Tests made with several small agricultural water-sheds indicate that the model could be a useful tool in simulating surface drainage design.
Input data for the model consists of (a) rainfall …
Soil Additives And Their Effect On The Yield Of Various Crops And The Physical Properties Of An Agricultural Soil, Gaylen L. Ashcroft
Soil Additives And Their Effect On The Yield Of Various Crops And The Physical Properties Of An Agricultural Soil, Gaylen L. Ashcroft
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
It is generally accepted that soil structure is very important in keeping productivity at a high level. When soils are loose and friable, mechanical impedance to root growth and seedling emergence is greatly reduced. Such soils infiltrate greater quantities of precipitation, are better aerated, and possess a more favorable temperature than puddled soils. Essential plant nutrients are also more easily available in well aggregated soil.
In the last few years, several synthetic soil additives have been placed on the market. Extravagant claims have been made about the ability of these amendments to maintain soil structure, without a sound body of …