The addition of clover and turnips allowed more animals to be kept through the winter, which in turn produced more milk, cheese, meat and manure, which maintained soil fertility.
Inkorporeringen af kløver og majroer i landbruget, gjorde det muligt at holde flere dyr gennem vinteren, som til gengæld producerede mere mælk, ost, kød og møg, der bevarede jordens frugtbarhed.