Watering vegetables - Knowledgebase Question

Northridge, CA
Question by ebin
January 21, 1998
I'm confused about watering. Could you explain what 1 gallon per foot of row means. Do I apply this amount of water evenly over one week or apply this amount all on the same day. Should I apply this amount of water into the furrow? I guess the same question would apply to the notion of 1 inch of water per week.


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Answer from NGA
January 21, 1998

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A general rule of thumb is to apply one inch of water per plant per week. Probably the easiest way to accomplish this is to put a rain gauge up in your garden to monitor how much moisture Mother Nature supplies. If it's less than one inch in any 7 day period, supplement by applying water from the hose. One-inch of water per week is not a magic number, but research has shown that it takes one inch of water on the surface of the soil to make that water travel down the 12-18 inches to the entire root area of a plant. If you plant in furrows, just flood the furrows. If you have a basin around each plant, just flood the basin. The idea is to apply enough water at one time to thoroughly wet the soil around the roots and to encourage the roots to go deeper.If you water a little every day, the roots will stay close to the surface and have more of a chance of drying out if you forget to water one day.

Hope this clears up the confusion!

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