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Factors of spread and repression in potato wart / by Freeman Weiss and Philip Brierley. (Technical bulletin)

Factors of spread and repression in potato wart / by Freeman Weiss and Philip Brierley. (Technical bulletin)
紙図書
U.S. Dept. of Agriculture1928.<特1-0701>
国立国会図書館
  • 件名Potato wart -- Control.
  • タイトル標目Technical bulletin (United States. Dept. of Agriculture) ; no. 56.
  • シリーズ著者・編者United States Department of Agriculture no. 56

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