MOISTURE DISTRIBUTION IN SOIL IN CONTAINERS

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Abstract
Three soils, a sand, a loam, and a clay adobe, in containers, were moistened to field capacity. Sunflowers were then planted, and the moisture reduced to the permanent wilting %. After wilting, various amts. of water were added to the soil, in attempts to wet the soil uniformly to moisture contents below that of the field capacity. The containers were then cut longitudinally, photographed and samples taken from the face of the exposed soil. Uniform distribution of moisture was only secured when sufficient water was added to bring the moisture content to the field capacity. Plants growing in soil held under "medium" soil-moisture conditions function with part of their roois in 1he moist top layer, and the remainder in the dry layer beneath.

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