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Published online 21 June 2006
Published in Vadose Zone J 5:856-859 (2006)
DOI: 10.2136/vzj2005.0075
© 2006 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Right arrow Soil Methods/Instrumentation
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Design and Testing of a Low-Cost Soil-Drying Oven

Martha P. L. Whitakera,*, Ty P. A. Ferréa, Bart Nijssena,b and Jim Washburnea

a Dep. of Hydrology and Water Resources, Univ. of Arizona, Tucson, AZ 85721-0011
b Dep. of Civil Engineering Mechanics, Univ. of Arizona, Tucson, AZ 85721-0011

Figure 1
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  		Fig. 1. Schematic of the light-bulb oven.

 

Figure 2
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  		Fig. 2. Graph of temperature changes in the empty light-bulb oven in response to increases in the size of the air gap.

 

Figure 3
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  		Fig. 3. Comparison of average temperatures with time in the light-bulb and traditional ovens. The red bars indicate the upper and lower ends of the range of acceptable oven temperatures (100–110°C).

 

Figure 4
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  		Fig. 4. Soil textural triangle with plot of soils used to test the light-bulb oven.

 




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