Key points are not available for this paper at this time.
Journal Article World Agriculture and Soil Erosion Get access D. Pimentel, D. Pimentel Search for other works by this author on: Oxford Academic Google Scholar J. Allen, J. Allen Search for other works by this author on: Oxford Academic Google Scholar A. Beers, A. Beers Search for other works by this author on: Oxford Academic Google Scholar L. Guinand, L. Guinand Search for other works by this author on: Oxford Academic Google Scholar R. Linder, R. Linder Search for other works by this author on: Oxford Academic Google Scholar P. McLaughlin, P. McLaughlin Search for other works by this author on: Oxford Academic Google Scholar B. Meer, B. Meer Search for other works by this author on: Oxford Academic Google Scholar D. Musonda, D. Musonda Search for other works by this author on: Oxford Academic Google Scholar D. Perdue, D. Perdue Search for other works by this author on: Oxford Academic Google Scholar S. Poisson, S. Poisson Search for other works by this author on: Oxford Academic Google Scholar ... Show more S. Siebert, S. Siebert Search for other works by this author on: Oxford Academic Google Scholar K. Stoner, K. Stoner Search for other works by this author on: Oxford Academic Google Scholar R. Salazar, R. Salazar Search for other works by this author on: Oxford Academic Google Scholar A. Hawkins A. Hawkins Search for other works by this author on: Oxford Academic Google Scholar BioScience, Volume 37, Issue 4, April 1987, Pages 277–283, https://doi.org/10.2307/1310591 Published: 01 April 1987
Pimentel et al. (Wed,) studied this question.