Results 171 to 180 of about 2,030 (204)
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A Controlled‐Temperature Rhizotron
Crop Science, 1990Growth of roots deep in the soil profile often is essential for continued water uptake by dryland crops in subhumid climates. Study of root growth in these situations must be conducted in field‐scale volumes of soil, to allow normal plant development. Additionally, given the importance of temperature to all biological processes, the thermal regime of ...
William L. Bland +2 more
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MICROSCOPE TROLLEY FOR RHIZOTRON
Canadian Journal of Plant Science, 1969not available
D. S. Bhar, G. F. Mason, R. J. Hilton
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An Inexpensive Rhizotron for Teaching Weed Biology
Weed Technology, 1990A rhizotron containing 10 1.5-by 1.2-by 2.4-m chambers and two 1.5-by 1.2-by 1.2-m chambers for plant growth was constructed for teaching purposes at Montana State University. The rhizotron, constructed of pressure-treated plywood and redwood lumber, has a life expectancy of 40 yr and a prorated cost of approximately $100/yr.
Eric R. Gallandt +2 more
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Rhizotrons: Their Development and Use in Agricultural Research
Agronomy Journal, 1994AbstractRhizotrons are tools for making nondestructive, repeated observations and measurements of root systems. Primary objectives of this review are to report features of several rhizotrons and to describe the types of research that have been and will be performed in them.
Betty Klepper, Thomas C. Kaspar
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Applications and limitations of rhizotrons and minirhizotrons for root studies
Plant and Soil, 1990This paper discusses two glass-wall techniques-rhizotrons and minirhizotrons. Rhizotrons are covered underground walkways with clear windows on one or both sides. Their design varies somewhat with the type of research to be conducted in them. A minirhizotron consists of a clear tube inserted into the soil then some type of viewing arrangement is ...
H. M. Taylor +2 more
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The Rhizotron as a Tool for Root Research
1982Publisher Summary This chapter discusses some techniques for observing and recording root system parameters. Many techniques have been used to increase the accessibility of plant roots. The chapter concentrates on design features and operating characteristics of the Auburn, Alabama, and Ames, Iowa rhizotrons where the authors have conducted root ...
Morris G. Huck, Howard M. Taylor
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Use of Acrylic Plastic as Rhizotron Windows1
Agronomy Journal, 1976AbstractReliable cotton (Gossypium hirsutum L.) rooting densities (cm roots/cm3 soil) for bulk soil have been estimated previously from the number of visible roots in sandy soil immediately behind glass rhizotron windows. The present study determined whether soybean [Glycine max (L.) Merr.
H. M. Taylor, W. Böhm
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A RHIZOTRON FOR IN SITU ROOT GROWTH STUDIES
Canadian Journal of Plant Science, 1969not available
R. J. Hilton, D. S. Bhar, G. F. Mason
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Recording, processing and analysis of grass root images from a rhizotron
Plant and Soil, 1996To develop and test a system for computer-assisted image analysis, repeated video recordings of reed canary-grass roots (Phalaris arundinacea L.) were made in an 18-window rhizotron. The images were digitized and processed using a Unix computer and the Khoros software development environment. Two image sizes, 126 x 95 mm and 61 x 46 mm, both comprising
Olof Andrén +2 more
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Macropore effects on phosphorus acquisition by wheat roots – a rhizotron study
Plant and Soil, 2017Macropores may be preferential root pathways into the subsoil. We hypothesised that the presence of macropores promotes P-uptake from subsoil, particularly at limited water supply in surface soil. We tested this hypothesis in a rhizotron experiment with spring wheat (Triticum aestivum cv.
S. L. Bauke +7 more
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