The farmer, likc tbc buiness man, must know what ho is doing ; he must have some pretty decided ideas of'what he ia toaceomplish - in fact he must calcúlate beforehand. He must know kil soil- that ofeach lot ; not only the top, but the subsoil. He munt also know what crops are best adaiited to each. lie must know when is the bost timo to work tbcm. He must know the condition in wbich the rouud must bc when ploughed, so that ït is neither too wet nor too dry. He must know that it iays to have maohinery to aid him, as well as musjle.