共 50 条
- [1] Changes in Technology and Labor Requirements in Crop Production: Wheat and OatsJOURNAL OF FARM ECONOMICS, 1940, 22 (01): : 401 - 404Thornbrough, Albert A.
- [2] CROP REQUIREMENTS AND CORN PROPERTIES - IMPORTANCE OF CORN PROPERTIES, ESPECIALLY CORN SIZE, AND CROP REQUIREMENTS FOR THE MALTING OF BARLEY AND FOR MALT QUALITYBRAUWISSENSCHAFT, 1981, 34 (01): : 8 - 15ULONSKA, ELENZ, W
- [3] Labor Requirements in Lumber ProductionMONTHLY LABOR REVIEW, 1937, 44 (05) : 1136 - 1152Topkis, Bernard H.
- [4] Labor Requirements in Cement ProductionMONTHLY LABOR REVIEW, 1936, 42 (03) : 564 - 577Topkis, Bernard H.
- [5] Labor Requirements in Cement ProductionMONTHLY LABOR REVIEW, 1946, 63 : 355 - 363Collier, Alfred W.
- [6] POTATO PRODUCTION IN THE TROPICS - CROP REQUIREMENTSJOURNAL OF PLANT NUTRITION, 1992, 15 (12) : 2679 - 2726MANRIQUE, LA
- [8] LABOR REQUIREMENTS IN THE PRODUCTION OF CLAY PRODUCTSMONTHLY LABOR REVIEW, 1937, 45 (06) : 1391 - 1410Topkis, Bernard H.
- [9] CROP WATER REQUIREMENTS FOR RAINFED AND IRRIGATED GRAIN CORN IN CHINAAGRICULTURAL WATER MANAGEMENT, 1983, 6 (01) : 43 - 64TERJUNG, WHJI, HYHAYES, JTOROURKE, PATODHUNTER, PE
- [10] LABOR USE PATTERN AND DEMAND FOR CASUAL LABOR IN CROP PRODUCTIONJOURNAL OF RURAL DEVELOPMENT, 1991, 10 (02) : 187 - 197SENTHILNATHAN, S