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This Yearbook of Agriculture seeks to provide a new and improved basis for understanding the complex order of Nature's forces so that man can better shape them in a positive and creative fashion.  Compiled in this book is our vast knowledge of seeds for greater application in the United States.

出版物详细信息

  • 出版者: United States Department
  • Dewey Decimal: 631.521
  • ECHO 图书馆: 631.521 USD

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