KnowraNorfolk four-course systemLinked fromLinked fromThe 2 pages that link to Norfolk four-course system, each with the reason it gives.All 2Broader topic 2Crop rotationBroader topic: This influential sequence combined food crops, fodder, and soil-restoring legumes.British Agricultural RevolutionBroader topic: This rotation reduced fallow land and linked crop production to larger livestock herds.