Index Catalog // ScholarsArchive@OSU

Water content and electrical conductivity profile measurements for dispersive media using enhanced time domain and frequency domain models

Creator:: Flugstad, Benjamin A.
Abstract:: Water conservation and water quality are rapidly increasing in importance in all areas of the world. The ability to accurately measure soil water content and salinity, over a wide variety of conditions, is key to meeting this need. A set of forward prediction models and waveform interpretation algorithms to extract...
Resource Type:: Dissertation
Full Text:: Irrigation) . 240 Figure 4.3a: Soil Moisture Content Measurement Cell w/PCBA at Bottom and Parallel Wire

Measurement and interpretation of physical properties of soils

Creator:: Nagpal, Narender Kumar, 1942-
Abstract:: One of many important physical properties that must be known to understand transport phenomena in soils is pore size distribution. Presently the pore size distributions of soils are most commonly obtained from soil water characteristic curves. The soil water characteristic curves are usually obtained by the pressure plate technique. It...
Resource Type:: Dissertation
Full Text:: Measurement and interpretation of physical properties of

Addressing Data Resolution in Precision Agriculture

Creator:: Kelley, Jason
Abstract:: Irrigated agriculture constitutes the greatest consumptive water use globally, so that irrigation efficiency measures are an important part of global efforts to best utilize this limited resource. However, greater irrigation efficiency must be achieved while simultaneously maintaining or increasing crop yields and farming profitability. Incremental water use decisions are made...
Resource Type:: Dissertation
Full Text:: irrigation demand. Soil moisture measurement helps determine how much water that is available to crops

Improving soil water determination in spatially variable field using fiber optic technology and Bayesian decision theory

Creator:: Sayde, Chadi
Abstract:: Achieving and maintaining sustainability in irrigated agriculture production in the era of rapidly increasing stress on our natural resources require, among other essential actions, optimum control and management of the applied water. Thus, a significant upgrade of the currently available soil water monitoring technologies is needed. The primary goal of...
Resource Type:: Dissertation
Full Text:: limited the problem of measurement uncertainty is often circumvented by maintaining soil moisture at

Towards autonomous irrigation : comparison of two moisture sensing technologies, irrigation distribution analysis, and wireless network performance at an ornamental container nursery

Creator:: Bailey, Daniel R.
Abstract:: As ornamental container nurseries face diminishing water allocations, many are looking to automated irrigation solutions to increase their water application efficiency. This thesis presents the findings of a study conducted at a commercial container nursery to determine 1) whether a capacitance or load cell sensor was better suited for monitoring...
Resource Type:: Masters Thesis
Full Text:: ................................ 25 1.12 Ideal soil moisture retention curve

El control del riego mediante la tension matricial del suelo

Creator:: Shock, Clinton C., Welch, Teresa, Wang, Feng-Xin, Flock, Rebecca, Feibert, Erik Bruno Goncalves, Shock, Cedric A., Pereira, Andre, and Oregon State University. Extension Service
Abstract:: Explica el uso de los sensores matriciales granulares para la medición de la tensión de humedad del suelo. Explica cómo instalar estos sensores y cómo usar los datos registrados para la programación del riego. (Discusses the use of granular matrix sensors (GMS) for monitoring soil moisture content . Explains how...
Resource Type:: Technical Report
Full Text:: el Watermark Soil Moisture Sensor, y está fabricado por Irrometer Co., Riverside, CA. De modo

Irrigation monitoring using soil water tension

Creator:: Shock, Clinton C., Wang, Feng-Xin, Flock, Rebecca, Feibert, Erik Bruno Goncalves, Shock, Cedric A., Pereira, Andre, and Oregon State University. Extension Service
Abstract:: This publication discusses the use of granular matrix sensors (GMS) for monitoring soil moisture content. It explains how to install GMS and use the recorded data for irrigation scheduling.
Resource Type:: Technical Report
Full Text:: . Common name SWT (cb) Soil type Irrigation system or measurement equipment Soil moisture sensor

El control del riego mediante la tensión matricial del suelo

Creator:: Shock, Clinton C., Flock, Rebecca, Feibert, Erik, Shock, Cedric A., Pereira, Andre, Jensen, Lynn, and Oregon State University. Extension Service
Abstract:: Una de las herramientas más eficaces utilizadas por el Malheur Experiment Station durante las últimas dos décadas es el sensor matricial granular (o GMS por sus siglas en inglés), el cual mide la humedad del suelo. El sensor tiene sólo 7,5 cm de largo, y normalmente se entierra verticalmente en...
Resource Type:: Technical Report
Full Text:: verticalmente en el suelo. Se conoce como el Watermark Soil Moisture Sensor, y está fabricado por Irrometer Co

Irrigation monitoring using soil water tension

Creator:: Flock, Rebecca, Flock, Rebecca, Feibert, Erik, Shock, Cedric A., Pereira, Andre, Jensen, Lynn, and Oregon State University. Extension Service
Abstract:: One of the most important tools we have been using at the Malheur Agricultural Experiment Station over the past two decades is the granular matrix sensor (GMS, Watermark Soil Moisture Sensor, Irrometer Co., Riverside, CA), which measures soil moisture. It is only about 3 inches long and normally is buried...
Resource Type:: Technical Report
Full Text:: Moisture Sensor, Irrometer Co., Riverside, CA), which measures soil moisture. It is only about 3 inches

Influence of soil moisture on the movement of bromacil in soil

Creator:: Ross, Claude Gray
Abstract:: In previous research, bromacil gave good performance when it was applied in early fall with fairly dry soil conditions and before the fall germinating weeds had started growth. On the other hand, if bromacil was applied in late November, December, or January on nearly saturated soil with weeds that had...
Resource Type:: Masters Thesis
Full Text:: Farm Crops (Degree) Date thesis is presented June 10, 1966 Title INFLUENCE OF SOIL MOISTURE ON THE

ScholarsArchive@OSU

Water content and electrical conductivity profile measurements for dispersive media using enhanced time domain and frequency domain models

Measurement and interpretation of physical properties of soils

Addressing Data Resolution in Precision Agriculture

Improving soil water determination in spatially variable field using fiber optic technology and Bayesian decision theory

Towards autonomous irrigation : comparison of two moisture sensing technologies, irrigation distribution analysis, and wireless network performance at an ornamental container nursery

El control del riego mediante la tension matricial del suelo

Irrigation monitoring using soil water tension

El control del riego mediante la tensión matricial del suelo

Irrigation monitoring using soil water tension

Influence of soil moisture on the movement of bromacil in soil

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