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Show 1 A KNOWLEDGE OF PRINCIPLES. A man to bo successful In any branch of "plant culture must understand under-stand tho principles of plant growth. Most men do not understand theso principles and whatever they do is dono cither bccauso their oxporienco seems, to pronounco It good or tho courso has been recommended to them by someone elso. It not infrequently infre-quently happens that a man will do-acribo do-acribo his methods to another and that latter will adopt them to his loss. ThuB ono man said that tho uso of potash pot-ash on his land would glvo very good results and urged his friends to go and do likewise Tho mon put on tho potash, but could get no increased results from it, and thoy forthwith declared tho fertilizer worthless and that tho first man was mistaken. That showed a lack of tho understanding; of tho principles. A man that looked' into tho case found that tho land of, f. tho first man was deficient in potash' U whllo on tho land of tho men that had I used It unsuccessfully thore was an' i abundanco for ovcry purpose. Tho fi men should have known tho condi- I tlons of their soils in tho first place I Unless a man makes a systematic B study of them ho is llttlo likely to- , H learn tho principles ot plant life nnd' nutrition. A prlnclplo is a law that U applies in all places, yet Is modified m by circumstances. Thus ono kind ot M plant needs ono kind ot pruning and r another plant needs another kind, yet U both must como under tho law that J says "winter pruning tends to in- 1 crcaso wood production and summer "1 pruning tends to Increase the fruit H yield." Principles havo been mado I known by tho experiences of tho 1 many. I |