According to Food and Agriculture Organization of the United Nations:
Irrigation is the supply of water to agricultural crops by artificial means, designed to permit farming in arid regions and to offset drought in semi-arid regions. Even in areas where total seasonal rainfall is adequate on average, it may be poorly distributed during the year and variable from year to year. Where traditional rain-fed farming is a high-risk enterprise, irrigation can help to ensure stable production. http://www.fao.org/ag/agl/agll/drylands/irrigation.htm
And high risk it would have been. Theresa said that this season, without irrigation, we couldn't have run the CSA. Though I don't like harvesting in it, I welcome the rain. The crops could use a little natural moisture.
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