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Determination of temperature gradients in clay soil surrounding a heat pump ground coil

Creator:: Hyde, Paul Elmer
Resource Type:: Masters Thesis
Full Text:: Determination of temperature gradients in clay soil

Effects of petroleum mulch on soil water content and soil temperature

Creator:: Kowsar, Ahang
Abstract:: Petroleum mulch applied on the soil surface over a row of planted seeds promotes a more rapid and a more uniform germination of seeds, enhances elongation of seedlings and in some cases increases the yield of the crop. The beneficial effects of petroleum mulch have usually been attributed to increased...
Resource Type:: Masters Thesis
Full Text:: WATER CONTENT AND SOIL TEMPERATURE Abstract approved: Larry Boersma Petroleum mulch applied on

Nitrogen uptake by wheat (Triticum aestivum VILL., Host) as a function of root temperature and plant water stress

Creator:: Sepaskhah, Ali Reza
Abstract:: The effect of soil temperature and plant water stress on nitrogen uptake, growth rate and transpiration rate of wheat (Triticum aestivum VILL. , Host) seedlings was studied. A special apparatus for the control of plant water stress and root temperature was used. Leaf area was measured by the air flow...
Resource Type:: Masters Thesis
Full Text:: Photosynthesis 9 Respiration 10 Soil Temperature and Plant Growth 10 Transpiration 10 Growth 11 Photosynthesis

Effects of soil temperature on the root growth of Marshall strawberry plants

Creator:: Mellenthin, Walter M., 1920-
Resource Type:: Masters Thesis
Full Text:: EFFECTS OF SOIL TEMPERATURE OH THE ROOT GHOWTE OF MARSHALL

The effect of soil moisture suction and soil temperature on transpiration, photosynthesis and respiration in Monterey pine (Pinus radiata D. Don)

Creator:: Babalola, Olaoluwa
Abstract:: A special apparatus was developed in which the soil moisture levels of several soil cells could be maintained independently by various osmotic solutions at a selected temperature. The effect of four soil moisture suctions and four soil temperatures on the rates of transpiration, photosynthesis and respiration of monterey pine seedlings...
Resource Type:: Masters Thesis
Full Text:: The Effect of Soil Moisture Suction and Soil Temperature

The effect of soil temperature and soil moisture stress on S-urea mineralization and ryegrass yield

Creator:: Akratanakul, Wanee
Abstract:: A growth chamber experiment was conducted to determine the rate of S-urea mineralization and effect of S-urea on the yield of ryegrass (Lolium multiflorum) grown in Steiwer soil as influenced by soil temperature (60, 75, and 90° F) and soil moisture stress (0. 10, 0.35, and 2.50 bars). Plant yield,...
Resource Type:: Masters Thesis
Full Text:: The effect of soil temperature and soil moisture stress on

The effect of preplant nitrogen fertilization and soil temperature on biological nitrogen fixation and yield of alfalfa (Medicago sativa L.)

Creator:: Shuler, Philip E.
Abstract:: The usefulness of preplant nitrogen (N) in establishing alfalfa in colder production areas has not been well characterized. This study was conducted to determine the effect of preplant N and soil temperature on yield, percent N derived from biological nitrogen fixation (PBNF), and shoot N concentration in alfalfa (Medicago sativa...
Resource Type:: Dissertation
Full Text:: , 1991. Title: The Effect of Preplant Nitrogen Fertilization and Soil Temperature on Biological

Engineering aspects of soil heat extraction

Creator:: Cropsey, Myron George, 1910-
Abstract:: Published October 1969. 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:: at which heat energy can be drawn from the soil at a given tem- perature. The temperature of the soil

Thermoperiods and soil temperatures as they affect growth and dormancy of Douglas-fir seedlings of different geographic origin

Creator:: Lavender, Denis P., Overton, W. Scott, and Oregon State University. Forest Research Laboratory
Abstract:: The effects of a range of thermoperiods and soil temperatures upon growth of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings were studied. The seeds, of varieties glauca and menziesii, came from eight widely separated areas. Plants from both varieties made maximum growth with soil and air temperatures between 18 and 24...
Resource Type:: Technical Report
Full Text:: , and no paper reports a systematic study of the effects of the range in thermoperiod, soil temperature

Subsurface heating and irrigation of soils: its effect on temperature and water content and on plant growth

Creator:: Barlow, Edward William Ross, Sepaskhah, Ali Reza, and Boersma, L.
Resource Type:: Technical Report
Full Text:: Temperature 16 Conclusions % 1 8 EXPERIMENTAL ANALYSIS OF SUBSURFACE SOIL WARMING AND IRRIGATION 2 1

ScholarsArchive@OSU

Determination of temperature gradients in clay soil surrounding a heat pump ground coil

Effects of petroleum mulch on soil water content and soil temperature

Nitrogen uptake by wheat (Triticum aestivum VILL., Host) as a function of root temperature and plant water stress

Effects of soil temperature on the root growth of Marshall strawberry plants

The effect of soil moisture suction and soil temperature on transpiration, photosynthesis and respiration in Monterey pine (Pinus radiata D. Don)

The effect of soil temperature and soil moisture stress on S-urea mineralization and ryegrass yield

The effect of preplant nitrogen fertilization and soil temperature on biological nitrogen fixation and yield of alfalfa (Medicago sativa L.)

Engineering aspects of soil heat extraction

Thermoperiods and soil temperatures as they affect growth and dormancy of Douglas-fir seedlings of different geographic origin

Subsurface heating and irrigation of soils: its effect on temperature and water content and on plant growth

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