'From the N. Y. Tribune.] • ..:WHAT I KNOW OF FARMING, BY HORACE GREELEY LAYING OFF A FARM-PASTURING WhOdier finds himself the newly in stalled owner and occupant of a farm, should, before doing much beyond growing a crop in the ordinary way, study well'its character, determine its capacities, make . himself well acquain ted with its peculiarities of soil and surface, with intent to make the most of it in his future operations. I would devote atTeast a year to this thought ful:observation and study. To one roared amid the rugged sce nery of .New England, or on either slope:of ,the Allegheny ridge, all prai rie farms look alike, just as iEuropean supposes this to be the ease with all rileirOeS. A better acquaintance_ will show the average prairie quarter sec tion - by no means an unbroken mead ow, "level as a house floor," but diver sified by .water courses; "sloughs," and gentlh acclivities—sometimes 'by eon siderableravines and,"barrens" or ele- Yated - "SWitles,"` thinly covered with timber, or brush, or both. But I will .contemplate more especially a North ern farm, made up of bill and• vale or ghtd