. A guide to the experimental farms and stations ... isgives a series of little plots measuring about two by five feet, ormore. In the second year of propagation, the seed derived fromeach of these little plots is sown with a hand seed drill. In thisway plots are produced which measure usually about fifty feetin length and vary in width from one or two rows to about tenor fifteen. The next season, such of the varieties as have dis-played good qualities are transferred to the regular, one-sixtiethacre, plots. After these tests have been conducted for a sufficient lengthof time, those varieties
. A guide to the experimental farms and stations ... isgives a series of little plots measuring about two by five feet, ormore. In the second year of propagation, the seed derived fromeach of these little plots is sown with a hand seed drill. In thisway plots are produced which measure usually about fifty feetin length and vary in width from one or two rows to about tenor fifteen. The next season, such of the varieties as have dis-played good qualities are transferred to the regular, one-sixtiethacre, plots. After these tests have been conducted for a sufficient lengthof time, those varieties which appear most desirable and aretherefore required for trial elsewhere or for distribution aregrown at Ottawa for one season in larger plots, the size of whichvaries according to the quantity of seed available. The cropfrom these larger areas is sent to one or more of the branchFarms where further tests are made and where the best varietiesare finally grown, in fields of several acres each, for generaldistribution. 44 DOMINION EXPERIMENTAL FARMS. DOMINION EXPERIMENTAL FARMS 45 DIVISION OF CHEMISTRY. The work of the Division of Chemistry naturally andnecessarily covers a very wide field. In a certain and veryimportant sense, farming—and especially modern and progres-sive farming—is the putting into practice of the teaching ofagricultural chemistry. Farming, whether general or special,is ever making an insistent call for the knowledge, the aid, whichchemistry alone can give, and so the chemist must be constantlyat work, analyzing and investigating, ascertaining the why andthe wherefore of things agricultural, confirming and supple-menting by laboratory work the truths brought out by practicalfield results. To imderstand the requirements of crops and animals isthe aim of the intelligent farmer. It thus comes about thatsoils must be studied to learn their qualities and deficiencies;apart from climatic influences, the productiveness of soils verylargely depends upon their phy
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