An investigation of vadose water following the application of food processing wastewater was completed during the summer of 2001. Vadose water was measured from a raisin producer utilizing sprinkler irrigation and a tomato processor utilizing surface irrigation. Vadose water was measured
at depths of 2 and 4-ft. Results indicate the hydraulic loading and re-aeration time impact treatment of organics in soil as much as BOD loading. Conservative ions, such chloride, are reduced in concentration with increased application due to reduced evapoconcentration. However, increased
hydraulic and BOD loading tends to result in increased percolate manganese, but not to the point were TDS is significantly increased.
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