Capillary conductivity of peat soils at different capillary tensions
1938
Wilson, B.D. | Richards, S.J.
Studies were made of the capillary conductivity of water in four peat soils for varying capillary tensions. The conductivities of the soils were found to decrease rapidly and continuously with increasing values for capillary tension. To measure conductivities below the values recorded in this report would necessitate a modification of the apparatus employed in the work in order to avoid moisture losses. An increase in the capillary conductivity of peat soil seems to accrue from prolonged cultivation owing to a type of structure resulting from cultural practices. Certain comparisons are made between the capillary conductivity of peat and mineral soils and of the moisture content of the soils at low conductivity measurements. The conductivity of peat soil was found to be extremely low in the presence of relatively large amounts of moisture. More information is needed before the significance of the conductivity values which are reported can be interpreted with respect to the capacity of the soils to supply water to growing plants.
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