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Carrying capacity of grazing ranges in southern Arizona . pasture.^ It is almost certain that stocking heavier than 53 animals per sec-tion (12 acres per head per year) on the MacBeath place and between45 and 50 animals per section (13 or 14 acres per head per year) onthe Proctor place is not warranted by the present condition of thesepastures, under their present form of management. It is moredifficult to get an estimate for the Ruelas place, because other im-portant but as yet unmeasured factors enter the problem. Fromthe standpoint of feed alone, the Ruelas pasture will doubtless carryas mu
Carrying capacity of grazing ranges in southern Arizona . pasture.^ It is almost certain that stocking heavier than 53 animals per sec-tion (12 acres per head per year) on the MacBeath place and between45 and 50 animals per section (13 or 14 acres per head per year) onthe Proctor place is not warranted by the present condition of thesepastures, under their present form of management. It is moredifficult to get an estimate for the Ruelas place, because other im-portant but as yet unmeasured factors enter the problem. Fromthe standpoint of feed alone, the Ruelas pasture will doubtless carryas much per section as the MacBeath place, but for some time pastthe supply of stock water has been insufficient for all the stock whichthe pasture would carry. 1 See Bureau of Plant Industry Bullptin 177, p. 21. 2 The horses on this area have very light work and little of it. They are always fed asmall amount of grain whenever they are worked; at other times all their feed is thenative grass grown on the area. Jul. 367, U. S. Dept. of Agriculture Plate Fig. 1.—Baling Hay on the Santa Rita Range Reserve in September, 1914.
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Keywords: ., bookcentury1900, bookdecade1910, bookidcar, booksubjectrangelands