Abstract
Maintenance of substrate water potential in petri dishes is achieved by using vapor-pressure controlling, solute-amended agar gel discs attached to the inside of the top halves of the dishes.
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. 1970 Mar;19(3):536–537. doi: 10.1128/am.19.3.536-537.1970
Agar Dish Isopiestic Equilibration Method for Controlling the Water Potential of Solid Substrates 1
R F Harris
1, W R Gardner
1, A A Adebayo
1, L E Sommers
1
R F Harris
1Department of Soil Science, University of Wisconsin, Madison, Wisconsin 53706
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W R Gardner
1Department of Soil Science, University of Wisconsin, Madison, Wisconsin 53706
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A A Adebayo
1Department of Soil Science, University of Wisconsin, Madison, Wisconsin 53706
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L E Sommers
1Department of Soil Science, University of Wisconsin, Madison, Wisconsin 53706
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1Department of Soil Science, University of Wisconsin, Madison, Wisconsin 53706
Published with the approval of the Director, Wisconsin Agricultural Experiment Station, Madison, Wis.
This investigation was supported by Hatch Project 1360 and USAID contract AFR-262.
PMCID: PMC376725 PMID: 4909356