text:  What more then can be required? The expense is repaid--the land is to a certain extent permanently improved--no risk of loss has been incurred and there still remains to the improving farmer--improving his own circumstances as well as the quality of his land by his prudent and skilful measures--there still remains the deeper ploughing by which he can gradually bring new soil to the surface as he sees it mellow and become wholesome under the joint influences which the drain and the subsoil-plough have brought to bear upon it