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Creator:: Potter, E. L. (Ermine Lawrence), 1884- and Oregon State College. Agricultural Experiment Station
Abstract:: Published June 1945. 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:: dealing with various phases of irrigation in west- ern Oregon. Copies of these, or of the present

Creator:: Hansen, Hugh J., Trimmer, Walter L., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension, and Pacific Northwest Cooperative Extension
Abstract:: This “walk-through” worksheet provides a method for making an organized inspection of an entire irrigation system, both hydraulics and hardware. This inspection will help identify components that need maintenance, repair, replacement, or other attention—so that the system will provide the most satisfactory, safe, and efficient performance.
Resource Type:: Technical Report
Full Text:: emeritus; and Walter L. Trimmer, former Extension irrigation specialist; Oregon State University. Suction

Creator:: Trimmer, Walter L., Hansen, Hugh J., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, and United States. Department of Agriculture
Abstract:: When designing or retrofitting an irrigation system, one of the key decisions is picking the proper size pipes and fittings for the system. The best pipe size or fitting is not always the one with the lowest initial cost. The important consideration is the lowest cost of ownership. The objective...
Resource Type:: Technical Report
Full Text:: Sizing Irrigation Mainlines and Fittings PNW 290 Reprinted

Creator:: Trimmer, Walter L., Hansen, Hugh J., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, and United States. Department of Agriculture
Abstract:: The main purpose for irrigating is to supply needed water for crops. Plant growth is dependent on photosynthesis. While the plant exchanges gases with the air for photosynthesis, some water evaporates. Water is taken up from the soil by plant roots to replace this water. The water leaving the plant...
Resource Type:: Technical Report
Full Text:: Irrigation Scheduling PNW 288 • Reprinted October 1994

Creator:: Hansen, Hugh J., Trimmer, Walter L., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Published January 1986. 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:: engineer, and Walter L. Trimmer, Exten- sion irrigation specialist, Oregon State University. Published and

Creator:: Trimmer, Walter L., Hansen, Hugh J., and Pacific Northwest Cooperative Extension
Abstract:: Published January 1986. 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:: sprinklers is an important factor in provid- ing uniform irrigation applications. Spacings tend to be made as

Creator:: Hansen, Hugh J., Trimmer, Walter L., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Published January 1986. 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:: . Trimmer, Exten- sion irrigation specialist, Oregon State University. Published and distributed in

Creator:: Trimmer, Walter L., Hansen, Hugh J., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Published January 1986. 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:: loads such as irrigation, some electric power suppliers impose two chargesthe regular energy or kilowatt

Creator:: Horneck, Donald Arthur, Hart, John M. (John Mervyn), 1947-, Flowers, Michael Darrell, 1971-, Lutcher, L. K. (Lawrence K.), Wysocki, Donald John, 1952-, Corp, Mary K., Bohle, Mylen G., and Oregon State University. Extension Service
Abstract:: Management recommendations focusing on rate, timing, source and method of nutrient application for irrigated wheat production in eastern Oregon.
Resource Type:: Technical Report
Full Text:: prevalent throughout eastern Oregon. The combination of high-quality irrigation water and N fertilizer use

Creator:: Oregon State University. Extension Service, Selker, John, and Rupp, David Earl
Abstract:: Directly below commercial mint fields, percolation in excess of 10 ppm of nitrogen as nitrate (NO3 --N), the EPA drinking water standard, occurs for much of the year (Figure 1, page 2). Concentrations rise rapidly after irrigation starts in June, indicating that this nitrogen is being pushed through by irrigation...
Resource Type:: Technical Report
Full Text:: based on your specific conditions and irrigation system, see the “Western Oregon Irrigation Guides

ScholarsArchive@OSU