Abstract
Considerable salt accumulation occurred in a grass-covered soil in southern Alberta where the saline groundwater was maintained at a depth of 3 feet. The SAR values of the saturation extract increased significantly under grass, and indications are that this increase was mainly due to precipitation of calcium. A fallow soil did not show a significant salt accumulation above the water table.It is suggested that a leaching program is necessary to maintain low salinity where shallow water tables are present and shallow tile drains are used.
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