BibTeX
@MISC{Nvi_(usdastatistical,
author = {E Nvi and Ron M E Ntally},
title = {(USDA Statistical Bulletin, 1999). The National},
year = {}
}
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Abstract
Preventing pollution from resi-dential lawns and gardens Gardening is a pop-ular leisure activity for many Ameri-cans. More than 80 percent of house-holds in the United States participate in gardening activities (Behe & Beckett, 1993). Moreover, each year, Americans spend more money tending their landscapes. In 1997, national nursery and greenhouse operations sales totaled $10.9 billion, a 43 percent increase from
