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A predictive model for time domain reflectometry soil water content and salinity measurements

Creator:: Flugstad, Benjamin A.
Abstract:: Soil water content and water potential are two important parameters in determining the status of water in the soil. Improvement in the ability to measure these parameters by way of increased speed, accuracy, resolution, imaging volume, ease of automation, as well as reduced calibration requirements and reduced soil disturbance would...
Resource Type:: Masters Thesis
Full Text:: Page 1. INTRODUCTION 1 2. OVERVIEW OF SOIL MOISTURE MEASUREMENT TECHNIQUES 5 2.1 Direct Methods of

Field evaluation of passive capillary samplers in monitoring the leaching of agrochemicals

Creator:: Brandi-Dohrn, Florian M.
Abstract:: Soil solution samplers have certain inadequacies that limit their range of possible applications. Passive Capillary Samplers (PCAPS), which apply suction to the soil pore-water via a fiber glass wick, have shown promising results in preliminary experiments in regard to collection efficiency of water and of bromide tracers. The objectives of...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy John S. Selker Soil solution samplers have certain inadequacies that limit their

Design of capillary wick pore-water samplers and their effects on solute travel time and dispersion

Creator:: Knutson, John H.
Resource Type:: Masters Thesis
Full Text:: cleaned and its hydraulic conductivity, scaled by the area of soil sampled, is matched to the

Duration of saturation and redox potentials in selected Willamette Valley soils

Creator:: Austin, Will
Resource Type:: Masters Thesis
Full Text:: of Saturation 2 Classifying Soil Moisture Conditions 4 Piezometers and Tensiometers 4 Reduction

Measurement of moisture content in unknown mixtures using the freezing process

Creator:: Pagh, Richard T.
Abstract:: Safety concerns at the Hanford Reservation require a way to measure the moisture content of material contained in the high level radioactive waste tanks. The freezing of material next to a probe was proposed by scientists at Pacific Northwest Laboratories (PNL) as one approach to solve this problem. It was...
Resource Type:: Masters Thesis
Full Text:: Measurement of moisture content in unknown mixtures using the

Water and solute transport : modeling and application to water conservation in layered soil

Creator:: Mohammed, Fareed H. A. N.
Abstract:: Sandy soils are among the least productive soils because of their inability to store adequate water for plant growth. Their high percolation rate not only allows water to move quickly beyond the root zone, but also washes nutrients below the reach of plant roots. High evaporation occurs from the soil...
Resource Type:: Dissertation
Full Text:: potential. The soil water potential is related to soil water content as illustrated in the soil moisture

Evaluating methods for measuring soil-CO₂-efflux in artificial, controlled and natural ecosystems

Creator:: Nay, Stephan Mark
Resource Type:: Masters Thesis

Determination of soil sensitivity ratings for the Oregon Water Quality Decision Aid (OWQDA)

Creator:: Huddleston, J. H. (James Herbert), 1942-, Mendez, W. R., Brett, M., Kerle, Elizabeth A., Vogue, Peggy A., and Oregon State University. Extension Service
Abstract:: Declared out of print March 2010. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: variable, permeabil- ity of the surface soil, as a surrogate. 4 Similarly, antecedent moisture content

An overview of the Oregon Water Quality Decision Aid (OWQDA) : a tool for assessing groundwater contamination risk from specific soil-pesticide combinations

Creator:: Huddleston, J. H. (James Herbert), 1942- and Oregon State University. Extension Service
Abstract:: The Oregon Water Quality Decision Aid (OWQDA) is a first-tier screening tool that allows you to make a broad determination of the likelihood that a specific chemical, when applied to a specific Oregon soil, will move through the soil and contaminate groundwater. This determination is called the groundwater vulnerability rating.
Resource Type:: Technical Report
Full Text:: assessing groundwater contamination risk from specific soil-pesticide combinations J.H. Huddleston The

Expression and inheritance of tolerance to waterlogging stresses in wheat (Triticum aestivum L.)

Creator:: Boru, Getachew
Resource Type:: Dissertation
Full Text:: Head of the Crop and Soil Scien& Department Dean of the Gradate School I understand that my thesis

ScholarsArchive@OSU

A predictive model for time domain reflectometry soil water content and salinity measurements

Field evaluation of passive capillary samplers in monitoring the leaching of agrochemicals

Design of capillary wick pore-water samplers and their effects on solute travel time and dispersion

Duration of saturation and redox potentials in selected Willamette Valley soils

Measurement of moisture content in unknown mixtures using the freezing process

Water and solute transport : modeling and application to water conservation in layered soil

Evaluating methods for measuring soil-CO₂-efflux in artificial, controlled and natural ecosystems

Determination of soil sensitivity ratings for the Oregon Water Quality Decision Aid (OWQDA)

An overview of the Oregon Water Quality Decision Aid (OWQDA) : a tool for assessing groundwater contamination risk from specific soil-pesticide combinations

Expression and inheritance of tolerance to waterlogging stresses in wheat (Triticum aestivum L.)

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