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Comparative quality of pasturage on Western Canadian ranges Willis, Thomas Garnet


An introductory investigation of the quality of range forage of some vegetational associations of the four Western Canadian provinces has been presented. Although the work reported on concerns only four nutrients, viz., protein, calcium, phosphorus and ash, trends of pasture quality by vegetational type have been demonstrated. The determination of crude protein alone has led to interesting conclusions because of the significant interrelationship between protein and other plant constituents. A general picture of vegetational quality has been painted. As a result of this work a method of assessing the grasslands for quality is proposed wherein the relative pasture values are expressed as "quality indices". Protein, deemed the limiting factor in carrying capacity, is assumed to be the most important single criterion for forage quality estimation.

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