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Future Developments in Weed Control

  • R. J. Stephens
Chapter

Abstract

Controlling weeds must remain of primary concern to man as it has been since the very first crops were grown. The pressure on farmers and growers to grow more food will intensify as the world population reaches six thousand million by the end of this century. Not only is world agriculture failing to feed the present population adequately but the land available for crops is being steadily reduced by building of all kinds, by erosion and by excessive salt accumulation in semi-arid lands. The sharp rise in oil prices that began in 1973 increased the costs of all material inputs to farming and especially those of fuel and nitrogen fertiliser; the realisation of high yields on the existing land has thereby been made yet harder.

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Copyright information

© R. J. Stephens 1982

Authors and Affiliations

  • R. J. Stephens
    • 1
  1. 1.School of Biological SciencesUniversity of BathUK

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