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Show 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 these ,. principles and whatever thoy do is done cither becauso their experience seoma to pronounce it good or tho courso has been recommended to f them by someone else. It not Intro- . qucntly happens that a man will do- scrlbo his methods to another and .. j. that latter will adopt them to his Iosb. ' Thus ono man said that tho uso of pot- ash on his land would glvo very good f results and urged his friends to go and do likewise Tbo 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 the understanding: of tho principles. A man that looked into the case found that tho land oC tho first man was deficient in potash whilo on tho land of the men that had' used It unsuccessfully there was an' abundance for every purpose. Tho men should have known tho conditions condi-tions of their soils In tho first place.' Unless- a man makes a systematic study ot them he is llttlo likely to- learn tho principles of plant life ana nutrition. A principle 1b a law that applies in all places, yet is modified' by circumstances. Thus one kind ot plant needs ono kind of pruning and another plant needs another kind, yet both must como undor tho law that saya "winter pruning tends to increase in-crease wood production and summer pruning tends to lncreaso tho fruit yield." Principles havo been made J known by tho experiences ot tho j many. ! |