Agricultural production efficiency

Agricultural production efficiency

書誌詳細
団体著者: National Research Council. Committee on Agricultural Production Efficiency
フォーマット: 図書
言語:English
出版事項: Washington National Academy of Sciences 1975.
主題:
Agriculture > United States.
Agricultural education > United States.
Agriculture and state > United States.
Agriculture > Research > United States.
Food supply > United States.