NUMEROUS CHANGES IN MARYLAND AGRICULTURE HAD A PRONOUNCED EFFECT UPON THE LABOR MOVEMENT. AMONG THEM WERE--CROP YIELDS, CROP PRICES AND THE RESULTANT EFFEC... NYSTROM, PAUL E.|AND OTHERS - 《Farm Labor》 被引量: 0发表: 1962年 Agricultural Land and National Planning IN his speech to Parliame...
PROGRESS IN MEETING PROBLEMS OF MIGRATORY LABOR IN MARYLAND, THIRD ANNUAL REPORT. AMONG THEM WERE--CROP YIELDS, CROP PRICES AND THE RESULTANT EFFECT UPON CROP ACREAGE, MECHANIZATION OF TILLAGE, THINNINGS, AND HARVEST PROCEDURES. DESPITE... NYSTROM, PAUL E.|AND OTHERS - 《Farm Labor》 被引量...