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Synopsis: In a peach orchard subjected to equipment travel and 4 cover crop management systems the bulk density of the' surface soil was markedly increased by travel with the effect decreasing with soil depth. Soil organic matter levels were increased by all cropping treatments compared to those obtained on chemicallymaintained bare soil. Travel reduced water intake to approximately one-third that obtained on nontraveled areas. Infiltration rates were greater in nontraveled trashy furrows than in clean furrows.
2 Soil Scientist and Agricultural Research Technician, USDA, and Associate Horticulturist, Washington State University.
Received for publication July 16, 1962.
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