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  • × W.J. BE
  • × North America
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1 Grasses of North America chapters on the physiology, composition, selection, improving and cultivation of grasses, management of grass lands, also chapters on clovers, injurious insects and fungi / by W.J. Beal. [开放图书]

作者:W.J. BEA

丛书:Canadiana.org contributed to BHL

关键词:North America;Forage plants;...

使用许可:Unknown

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2 Grasses of North America the grasses classified, described and each genus illustrated, with chapters on their geographical distribution and a bibliography / by W.J. Beal. [开放图书]

作者:W.J. BEA

丛书:Canadiana.org contributed to BHL

关键词:Grasses;North America;...

使用许可:Unknown

预览  |  原文链接  |  全文  [ 浏览：63 下载：100  ]