revision preference src: It is adaptable to the type of land or soil at the location, and it provided a rotation between pasture and arable land which "not only produced the same amount of grain on a much reduced area, but broke the agrarian cycle of diminished returns by allowing more sheep and cattle to be kept, animals whose dung maintained" fertility. <SEP> tgt: According to one author, the rotation it provided between pasture and arable land which "not only produced the same amount of grain on a much reduced area, but broke the agrarian cycle of diminished returns by allowing more sheep and cattle to be kept, animals whose dung maintained" fertility.