Authors: A. Madani and P. Brenton
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Published in: CBE Journal » CBE Journal Volume 37 (1995)

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Description: A study of subsurface drainage performance for drain spacings of 3, 6, and 12 m was conducted on a shallow, slowly permeable soil in Streets Ridge, Nova Scotia. Daily drain discharge per hectare from the 3 m spacing treatment ranged from 2.5 to 5 times that of the 12 m spacing treatment for low and peak flows, respectively. The outflow from the 6 m spacing treatment was approximately 2 times that of the 12 m spacing treatment for all levels of outflow. Watertable heights mid-way between adjacent drain lines averaged 100 mm lower on the 3 m spacing plots com pared to the 6 and 12m spacing plots for periods when the watertable for all treatments was above the compacted subsoil. The sum of the excess watertable levels above a 300 mm depth (SEW30) for the 3 m spacing treatment were significantly lower than those for the 6 and 12m spacing treatments. There was no significant improvement in crop yields with the narrower drain spacings when compared to the conventional 12 m spacing.

Citation: A. Madani and P. Brenton 1995. EFFECT OF DRAIN SPACING ON SUBSURFACE DRAINAGE PERFORMANCE IN A SHALLOW, SLOWLY PERMEABLE SOIL. Canadian Agricultural Engineering 37(1):9-12.
Volume: 37
Issue: 1
Pages -
Date: 1995
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Type: Text.Article
Format: PDF
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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