Land preparation its speed in relation to rate of water supply : new instrumentation for irrigation flow measurements

書誌詳細
第一著者: Valera, Alfredo
フォーマット: 図書
言語:English
出版事項: Los Baños, Laguna Agricultural Economics Department, International Rice Research Institute 1975.
シリーズ:Paper / International Rice Research Institute. Agricultural Economics Department 75-2.
主題: