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Science 31 May 2002:
Vol. 296. no. 5573, p. 1589
DOI: 10.1126/science.296.5573.1589a
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News of the Week

AGRICULTURE:
Organic Farms Reap Many Benefits

Erik Stokstad

On page 1694, agronomists report the results of the longest and most comprehensive study to date comparing organic and conventional farming, measuring many aspects of crops and soil over 21 years. The bottom line: Organic farms can be nearly as productive as regular farms for some crops, and they leave soils healthier. The study also conclusively demonstrates that for most crops, organic plots are more energy efficient per unit crop.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)