Changes in technology and labor requirements in crop production: vegetables, potatoes, sugar beets

著者

• National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.)

書誌事項

Changes in technology and labor requirements in crop production: vegetables, potatoes, sugar beets

（Report, A-12, A-4, A-1 . Studies of changing techniques and employment in agriculture）

Work Projects Administration, National Research Project, [1939]

収録内容

• Changes in technology and labor requirements in crop production : vegetables / by J.C. Schilletter, Robert B. Elwood and Harry E. Knowlton
• Changes in technology and labor requirements in crop production : potatoes / by Harry E. Knowlton, Robert B. Elwood, and Eugene G. McKibben
• Changes in technology and labor requirements in crop production : sugar beets / by Loring K. Macy ...[et al.]

詳細情報

• NII書誌ID(NCID): BA84499090
• 出版国コード: us
• タイトル言語コード: eng
• 本文言語コード: eng
• 出版地: Philadelphia
• ページ数/冊数: 3 v. in 1
• 大きさ: 26 cm
• 親書誌ID:
  • BA32132344