Using diversity enhancing and maintaining genetic Resources on-farm. /

類似資料

• Using Diversity : Enhancing and Maintaining Genetic Resources on Farm /
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  出版事項: (1996)
• Technologies to Maintain Biological Diversity /
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• Economically Important Trees: Origin, Evolution, Genetic Diversity and Ecology
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• Maintainability : principles and practices /
  著者:: Blanchard, Benjamin S.
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• Economics of agricultural production and resource use /
  著者:: Heady, Earl O.
  出版事項: (1952)