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College of Food, Agricultural, and Environmental Sciences

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Smart Stuff with Twig Walkingstick: Tire Taters! (for the Week of June 24, 2007)

June 22, 2007

Q. Dear Twig: My friend's dad is growing potatoes in old car tires. Why? How?

 

A. It might seem weird. But, yes, you can grow potatoes in old car tires. It saves space and reuses trash. Here's how to do it.

Set an old tire where you want it. Lay it flat.

Get yourself some seed potatoes. Cut them in pieces and plant them at the bottom. Plant them either right in the ground or in soil you dump in the circle.

Wait for the green, leafy plants to come up. When they get about 12 inches high, stack a second tire on top of the first one. (Like checkers!) Dump in more soil or some mulch or some compost. Leave about 6 inches of the plants still showing.

Repeat this step — add a tire; add soil, mulch or compost — whenever the plants grow tall enough. You might need to do this three or four times.

Deep in all that soil, mulch or compost, the plants will form a whole bunch of tubers, the tasty part you eat baked or fried. Harvest after the plant tops die. Cook and eat your very own taters!

Twig

P.S. It works because potato tubers form on stems above the roots. More stems, more tubers!

Notes: Thanks to Mike J. for the tour of his tire/potato research site. Other options, if you can't get old car tires or don't want to use them, include old trash cans and big open cylinders — say, four feet wide and three feet high — made out of old metal fencing. Sources included "Potato Production in the Home Garden," University of Georgia, http://pubs.caes.uga.edu/caespubs/pubcd/C849.htm/; and The Good Human, http://www.thegoodhuman.com/2007/06/18/five-great-ways-to-recycle-or-reuse-old-tires/.

About this column: "Smart Stuff with Twig Walkingstick," a free public service of The Ohio State University College of Food, Agricultural, and Environmental Sciences - specifically, of the Ohio Agricultural Research and Development Center (OARDC) and Ohio State University Extension, both part of the College - is a weekly column for children about science, nature, farming and the environment. The reading level typically rates at grades 3.5-4.5. For details, to ask Twig a question, and/or to receive the column free by mail or e-mail, contact Kurt Knebusch, CommTech, OSU/OARDC,1680 Madison Ave., Wooster, OH 44691, knebusch.1@osu.edu, (330) 263-3776. Online at http://extension.osu.edu/~news/archive.php?series=science.

Author(s): 
Kurt Knebusch