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Toward Sustainability A Plan for Collaborative Research on Agriculture and Natural Resource Management (1991) / Chapter Skim
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Appendix E: Integrated Nutrient Management for Crop Production
Pages 105-108

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From page 105...
... The combination of inorganic fertilizers and new crop varieties has greatly increased crop yields. There has been, for instance, an almost threefold increase in crop yields in Europe and the United States since World War II, and yields have more than doubled in developing countries where the green revolution has taken place.
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From page 106...
... Integrated pest management holds a clear lesson for nutrient provision and management. If sustainable agriculture and natural resource management is to be promoted on a global basis, similar principles must be developed for the provision of nutrients.
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From page 107...
... As is the case with pest management, the nutrient supply from natural sources can be supplemented with carefully applied inorganic fertilizers, as required, to put together an integrated nutrient management program. The above concept of nutrient management differs greatly from the concept commonly followed that the main useful source of crop nutrients is inorganic fertilizers.
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From page 108...
... Develop a nutrient management strategy. · minimal inorganic chemical needs and optimal timing and placement nutrient supply from plant inputs nutrient supply from animal inputs nutrient inputs from other potential sources of nutrients Such an integrated nutrient management program is a critical component of the type of integrated farming systems that are essential for the development of sustainable agriculture and natural resource management (Edwards, 1989; Edwards et al., 1990~.
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Key Terms

  • nutrient management
  • organic matter
  • integrated nutrient
  • pest management
  • crop production

  • integrated pest
  • management program
  • nutrient supply
  • minimal amounts
  • crop growth

  • animal production
  • soil fertility
  • management programs
  • sustainable agriculture
  • crop varieties

  • progressive expansion
  • global basis
  • weed control
  • crop yields
  • critical inputs

  • soil cultivations
  • program maximize
  • vesicular arbuscular
  • increasing evidence
  • industrial sources

  • periodic clearing
  • management differs
  • active soil
  • closer sequence
  • useful source


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