... dry, turning yellow, and the whole head lose in weight,—if it be not very hard, shrivelling, and, if hard, shrinking. If they are kept in too warm and wet a place, the heads will decay fast, in a black, soft rot. The best way to preserve cabbages for stock into the winter, is to place them in trenches a few inches below the surface, and there cover with from a foot to two feet of coarse hay or straw, the depth depending on the coldness of the ... — Cabbages and Cauliflowers: How to Grow Them • James John Howard Gregory