text:  He may be "gathering up--crown-and-furrow ploughing--casting or yoking or coupling ridges--casting ridges with gore furrows--cleaving down ridges with or without gore furrows--ploughing two-out-and-two-in--ploughing in breaks--cross-furrowing--angle-ploughing ribbing and drilling--or he may be preparing the land by feering or striking the ridges