THE NUTRIENT FLOW TECHNIQUE

(Page 4 of 4)

November/December 1979
 
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STRONG WATERS

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Most plant food manufacturers have adopted a "baby with the bath water" approach to maintaining nutrient potency. Since the chemical analysis of hydroponic fertilizer is an exacting (and expensive) process, the advice usually offered is to chuck the soup out after a week or two . . . preferably under a favorite fruit tree, where it might do some good! However, Hydroponic Growing Systems-a supplier that specializes in the NFT method-does offer a kit that permits a simple test of chemical strength . . . and that can help you avoid tossing out a jug of nutrient before its time.

ON LOCATION

The Nutrient Flow Technique is enormously versatile, but certain sites are more appropriate to its use than are others. Given the amount of plumbing involved in hydroponics, for instance, living rooms are probably not the ideal place to set up an NFT system. And-unless you're planning to grow houseplants (which can flourish under fluorescent lights)—the dark corner of your basement is out of the question. A greenhouse, of course, is an ideal location for an NFT installation . . . and enormous quantities of vegetables can be raised in even a small, sunny spare room. In addition, don't forget that (given a receiving tank big enough to hold any overflow caused by rainfall) all sorts of crops can be grown outside . . . in the country, suburbs, or inner city! Apartment roofs, narrow urban back yards, small waste places . . . all can be turned into gardens of plenty with NFT!

EDITOR'S NOTE:Equipment that's designed for NFT-Plus a 60-page report on the method (titled "The Nutrient Flow Technique for Growing Plants") which costs $3.25 plus 35¢ for shipping-may be ordered from Hydroponic Growing Systems, Dept. TMEN, P.O. Box 252, Calverton, New York 11933. And here are some other mail-order sources for fertilizers and equipm cut.

Aqua-Ponics, Inc.
Dept. TMEN
17221 East 17th Street
Santa Ana, California 92701

Charley's Greenhouse Supply
Dept. TMEN
12815 N. E. 124th Street
Kirkland, Washington 98033
(catalog $1.00, refunded with purchase)

Eco Enterprises
Dept. TMEN
2821 N. E. 55th Street
Seattle, Washington 98105

Hydro Gardens
Dept. TMEN
P.O. Box 9707
Colorado Springs, Colorado 809.32

Pyramid Hydroponics
Dept. TMEN
701 West Ivy
Glendale, California 91204

Washington Water Works
Dept. TMEN
7417N.E. 170th Street
Bothell, Washington 98011

Don't forget that the back issues of MOTHER mentioned in this article are available (for $3.00 each plus $1.00 shipping and handling per order) from THE MOTHER EARTH NEWS ® , P.O. Box 70, Hendersonville, North Carolina 28739.

Finally, there's a group just forming that will be of enormous help to the water gardener: The Hydroponic Society of America. For information about membership, write to the society at P.O. Box 516, Brentwood, California 94513.

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