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Response of Processing and Fresh-market Onions to Drip Irrigation

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  032094,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.13776) @2003
Authors:   Blaine Hanson, Don May
Keywords:   irrigation, processing onion, fresh-market onion, drip irrigation

The response of yield to surface-and-subsurface drip irrigation was investigated for both processing onions and fresh-market onions. Irrigation treatments consisted of water applications ranging fro 60% to 120% of a baseline amount for both irrigation methods. Data collected were applied water, yield, soluble solids (processing onions), canopy coverage, canopy temperature, and soil moisture content.

Results showed a linear increase in total yield with increasing amounts of applied water for both processing and fresh-market onions. However, for the fresh-market onions, little change in yield occurred for the medium and repack grades. No differences in the yield-applied water relationships were found between surface-and-subsurface drip irrigation.

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