Articles
USING LEACHING FRACTIONS TO MAXIMIZE IRRIGATION EFFICIENCY©
Article number
1014_74
Pages
331 – 334
Language
English
Abstract
Irrigation efficiency has ramifications for growers in the horticultural industry at multiple levels.
At the immediate level, irrigation costs account for a substantial portion of operating costs.
At a broader level, environmental regulations are becoming more restrictive, requiring more record keeping about water usage, increasing testing of runoff, and in some cases limiting water usage for agricultural purposes.
Over the course of a growing season, Saunders Brothers, Inc. measured irrigation efficiency on numerous woody crops in a wholesale nursery.
Leaching fractions were used to determine the percentage of irrigation water that remained in the container and available to the plant and what percentage was leached out of the container as excess.
Results showed that by adjusting practices to eliminate excess irrigation, we were able to decrease our overall water usage from April to August by 43%, compared with the previous 3 years.
Decreased water usage also reduces costs associated with chlorine, electricity, fertilizer, and herbicide.
At the immediate level, irrigation costs account for a substantial portion of operating costs.
At a broader level, environmental regulations are becoming more restrictive, requiring more record keeping about water usage, increasing testing of runoff, and in some cases limiting water usage for agricultural purposes.
Over the course of a growing season, Saunders Brothers, Inc. measured irrigation efficiency on numerous woody crops in a wholesale nursery.
Leaching fractions were used to determine the percentage of irrigation water that remained in the container and available to the plant and what percentage was leached out of the container as excess.
Results showed that by adjusting practices to eliminate excess irrigation, we were able to decrease our overall water usage from April to August by 43%, compared with the previous 3 years.
Decreased water usage also reduces costs associated with chlorine, electricity, fertilizer, and herbicide.
Authors
J. Stanley
Keywords
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