Index Catalog // ScholarsArchive@OSU

Estimating crop yield and production changes as a function of irrigation deficit based on watershed and county level data

Creator:: Darakjian, Priscila
Abstract:: Response of agricultural crops to irrigation water deficit is well-understood at the field scale. Broader scale (watershed and county levels) studies have been less frequently performed. Data collection at the field level for extensive areas is time consuming and expensive. The importance of studies at a broader scale for evaluating...
Resource Type:: Masters Thesis
Full Text:: Net irrigation requirement (Ii) Net irrigation requirement data were gathered from the Oregon Crop

Evaluation of evapotranspiration and irrigation performance in Oregon south coast

Creator:: Sriprisan, Sirikul (Indi)
Abstract:: This study was prompted by the need for improving the efficiency of irrigation systems at the Oregon South coastal areas. Accurate information about evapotranspiration (ET) rates is essential for maximizing the efficiency of irrigation systems. Currently, ET estimates provided by Bureau of Reclamation AgriMet Program are derived from the Kimberly...
Resource Type:: Masters Thesis
Full Text:: Evapotranspiration and Irrigation Performance in Oregon South Coast. Abstract appreved: Marshall J. English This

An irrigation efficiency model for optimum irrigation management

Creator:: Isbell, Brett, 1978-
Abstract:: Improved water use efficiencies in irrigated agriculture are necessary to assist in coping with the accelerating demand and economic competition for the world's fresh water supply and increasing ecological concerns. This will likely rely in part on optimum irrigation, which implies regulated deficit irrigation. While conventional irrigation management is intended...
Resource Type:: Masters Thesis
Full Text:: optimum irrigation advisory service in Oregon, an irrigation efficiency model (IEM) was developed to

Evaluation of models for estimating surface irrigation infiltration parameters : Data protocols and algorithm performance

Creator:: Isbell, Sarah A.
Abstract:: Often furrow irrigation application efficiencies are low compared to sprinkler systems. The primary goal of furrow irrigation is to infiltrate a relatively uniform target depth of water necessary for the crop, while minimizing the amount of runoff. The concept is difficult because water can infiltrate differently at all locations in...
Resource Type:: Masters Thesis

Estimated plant water use and crop coefficients for drip-irrigated hybrid polars

Creator:: Gochis, David J.
Abstract:: Estimations of plant water use can provide great assistance to growers, irrigators, engineers and water resource planners. This is especially true concerning the introduction of a new crop into irrigated agriculture. Growing hybrid poplar trees for wood chip stock and veneer production under agronomic practices is currently being explored as...
Resource Type:: Masters Thesis
Full Text:: 1.2.1 Potlatch Soil Water Monitoring Program Current Oregon water law does not incorporate irrigation

Linking GIS and a surface irrigation model to evaluate regional effects of furrow irrigation strategies

Creator:: Faux, Russell N.
Abstract:: The shallow aquifer in Northeast Malheur County, Oregon is polluted with Nitrates at concentrations exceeding federal drinking water standards. Efforts to solve the groundwater problems in this area have focused on developing farm management practices that will increase groundwater quality while maintaining agricultural production. Furrow irrigation is the dominant practice...
Resource Type:: Masters Thesis
Full Text:: Ontario, Oregon. The integrated system was used to estimate a base condition irrigation that is

Estimation of true leaching requirement and resulting yield under different furrow irrigation practices

Creator:: Toraman, Haci Mustafa
Resource Type:: Masters Thesis
Full Text:: County, Oregon. In order to estimate yields under furrow irrigation for different quality and quantity

Characterizing hydraulics and water distribution of furrow irrigation in northeast Malheur County

Creator:: Mittelstadt, Robert
Abstract:: Furrow irrigation is the dominant practice for irrigating row crops in the western Treasure Valley region near Ontario, Oregon. Though improvements have been made in management practices over the years, excessive runoff and deep percolation are still important problems contributing to surface water and groundwater degradation. Field observations were made...
Resource Type:: Masters Thesis
Full Text:: irrigation in northeast Malheur County AN ABSTRACT OF THE THESIS OF Robert W. Mittelstadt for the degree

Evaluation of erosion and sediment loss in furrow irrigation with alternative irrigation practices

Creator:: Tunio, Abdul Fatah
Resource Type:: Masters Thesis
Full Text:: loss from furrow irrigation. Experimental fields were selected in Malheur County, Eastern Oregon

ScholarsArchive@OSU

Estimating crop yield and production changes as a function of irrigation deficit based on watershed and county level data

Evaluation of evapotranspiration and irrigation performance in Oregon south coast

An irrigation efficiency model for optimum irrigation management

Evaluation of models for estimating surface irrigation infiltration parameters : Data protocols and algorithm performance

Estimated plant water use and crop coefficients for drip-irrigated hybrid polars

Linking GIS and a surface irrigation model to evaluate regional effects of furrow irrigation strategies

Estimation of true leaching requirement and resulting yield under different furrow irrigation practices

Characterizing hydraulics and water distribution of furrow irrigation in northeast Malheur County

Evaluation of erosion and sediment loss in furrow irrigation with alternative irrigation practices

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