Annals of Botany 91: 499-500, 2003
© 2003 Annals of Botany Company
Liebman, M., Mohler, C.L., and Staver, C.P. Ecological management of agricultural weeds
Ecological management of agricultural weeds.
Liebman M, Mohler CL, Staver CP. 2001.
Cambridge: Cambridge University Press.
US$120 (hardback). 532 pp.
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For the last 50 years, weed management strategies in industrialized countries have become dependent upon chemical weed control. The reduced weed competition achieved with herbicides, now widely accepted as conventional weed control is, along with other agro-chemicals, plant breeding, fertilizers and mechanized traction, one of the cornerstones of a high-yielding, labour-efficient agriculture. However, there is an increasing concern among agricultural scientists and the general public of many problems associated with this dependence on purchased