Index Catalog // ScholarsArchive@OSU

Simple irrigation scheduling using the "look and feel" method

Creator:: Niederholzer, Franz, Long, L. E. (Lynn Edwards), 1953-, and Oregon State University. Extension Service
Abstract:: Accurate irrigation scheduling maximizes the benefits of irrigation while minimizing potential negative impacts of over-irrigation or under irrigation.
Resource Type:: Technical Report
Full Text:: EM 8716 August 1998 Simple irrigation schedul Using the

Irrigation system maintenance, groundwater quality, and improved production

Creator:: Oregon State University. Extension Service and Selker, John S.
Abstract:: We first need to note that the soil nitrogen that makes plants green is primarily in the form of nitrate, and this nitrogen is accessible to plants specifically because it stays dissolved in the soil water. In a typical corn field, where the bulk of the roots are in the...
Resource Type:: Technical Report
Full Text:: Service. Publication EM 8716. Cuenca, R.H. 1999. Oregon Crop Water Use and Irrigation Requirements

Strategies for reducing irrigation water use

Creator:: Jensen, Lynn, Shock, Clinton C., and Oregon State University. Extension Service
Abstract:: When water is plentiful, growers usually schedule irrigation practices around other farming activities. For example, most growers change furrow irrigation sets at 12- or 24-hour intervals because this timing is convenient and uses labor efficiently. When water is in short supply, you need to rethink some practices to obtain maximum...
Resource Type:: Technical Report
Full Text:: Spanish), EM 8716 (1998). $4.50 Soil Water Monitoring and Measurement, PNW 475 (1995). $1.00 Western

Groundwater and nitrogen management in Willamette Valley mint production

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:: “Look and Feel” Method. Oregon State University Extension. Publication EM 8716. Smesrud, J.K., M. Hess

Drip irrigation: an introduction

Creator:: Shock, Clinton C. and Oregon State University. Extension Service
Abstract:: Drip irrigation is the slow, even application of low-pressure water to soil and plants using plastic tubing placed near the plants’ root zone. It is an alternative to sprinkler or furrow methods of irrigating crops. Drip irrigation can be used for crops with high or low water demands.
Resource Type:: Technical Report
Full Text:: (includes soil appearance cards in English and Spanish), EM 8716 (1998). Soil Water Monitoring and

Extractives from the bark of Sitka spruce, Picea sitchensis (Bongard) Carriere

Creator:: Seid, Ruth, 1926-
Resource Type:: Masters Thesis
Full Text:: tube rack. The rack ot tubes was placed in a boiling water bath which had been filled to about 5 em

A dynamic partial order model of electrolyte solutions

Creator:: Pytkowicz, Ricardo M. (Ricardo Marcos), 1929-, Johnson, K., and Curtis, C.
Abstract:: The purpose of this work was to develop a dynamic partial order model of II electrolyte solutions which avoids inconsistencies present in the Debye-1-Iuckel and 1n related theories. It is shown that our results are consistent with activity coefficient data in aqueous electrolyte solutions. The main features of our work...
Resource Type:: Technical Report
Full Text:: .6236 .6142 .6061 .5990 . 8771 .8743 .8716 .8689 .8468 . 8297 .8157 . 8038 .7934 .7842 .7759

Basic shear strength properties of metal-bonding adhesives as determined by lap-joint stress formulas of volkersen and goland and reissner

Creator:: Forest Products Laboratory (U.S.) and Eickner, Herbert W.
Abstract:: This report is one of a series issued in cooperation with the ANC-23 Panel on Sandwich Construction of the Departments of the Air Force, Navy, and Commerce. Information reviewed and reaffirmed 1960. Original report dated August 1955.
Resource Type:: Technical Report
Full Text:: 4, 4-,O 0 H H A A0• 4., 0 04., em ,t,m .0.,1 xi,-1 a .1., m S m m 00 41 40 >i B 0 0 01 O to

Phase distribution parameter determination by neutron radiography

Creator:: Skinner, Jesse B.
Abstract:: A phase distribution parameter has been added to the one-dimensional two-phase horizontal flow conservation equations. The phase distribution parameter was incorporated into the conservation equations in an attempt to add stability and remove correlation switching by incorporating gravity. Determination of the phase distribution parameter requires an average void fraction profile...
Resource Type:: Masters Thesis

Food plans for two-member veterans' families at Oregon State College

Creator:: Timmons, Gayle Curinne
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Simple irrigation scheduling using the "look and feel" method

Irrigation system maintenance, groundwater quality, and improved production

Strategies for reducing irrigation water use

Groundwater and nitrogen management in Willamette Valley mint production

Drip irrigation: an introduction

Extractives from the bark of Sitka spruce, Picea sitchensis (Bongard) Carriere

A dynamic partial order model of electrolyte solutions

Basic shear strength properties of metal-bonding adhesives as determined by lap-joint stress formulas of volkersen and goland and reissner

Phase distribution parameter determination by neutron radiography

Food plans for two-member veterans' families at Oregon State College

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