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acre amount applied artesian banks beds beneath bottom carried channels character climate construction contour lines copious cost covered crops cubic foot cultivation depth diameter discharge distributing canal distributing furrows ditches dotted lines drainage drains drills drouth earth ed meadows effect equal evaporation extensive fall farmer farms feet wide fertilizing field flooding foot per second freshets gardens gate grass ground grown growth Hervé Mangon hight inches of water intervals irri irrigated meadows laid land liquid manure matter miles miles per hour moisture necessary needed overflow pasture pipe placed plank plants plot plow portion profitable puddled pump quantity of water rain rain-fall raised reclamation reservoir ridges river roots rows season shown at fig side siphon slope sluices soil springs square stream subsoil sufficient supply canal supply of water surface tank tiles tion tivation valley velocity water flowing water meadow width Winter
Página 173 - From these premises would result this conclusion : that an individual owning a spring on his land, from which water flows in a current through his neighbor's land, would have the right to use the whole of it, if necessary to satisfy his natural wants. He may consume all the water for his domestic purposes, including water for his stock. If he desires to use it for irrigation or manufactures, and there be a lower proprietor to whom its use is essential to supply his natural wants, or for his stock,...
Página 38 - ... 80 per cent stock emulsion is on the market, and much time and labor can be saved by obtaining this instead of making the emulsion. To prepare it for use, it should be diluted in the same manner as indicated above for the homemade stock emulsion. The arsenical dip. — This dip is used considerably on account of its cheapness and the ease with which it is prepared. In general it has proved very effective in destroying ticks, and is less likely than crude petroleum or emulsions of the same to...
Página 173 - If he desires to use it for irrigation or manufactures, and there be a lower proprietor to whom its use is essential to supply his natural wants, or for his stock, he must use the water so as to leave enough for such lower proprietor. Where the stream is small, and does not supply water more than sufficient to answer the natural wants of the different proprietors living on it, none of the proprietors can use the water for either irrigation or manufactures.
Página 9 - Growing plants contain from 70 to 95 per cent of water. To the extent that water supplies this necessary constituent of a growing plant, it is an actual nutriment. The solid portion of the plant consists of matters which enter into it only while in solution in water.
Página 214 - ... surface, the pressures on oppo site sides of this axis will obviously be equal, and the cente^ of pressure will lie in this axis or y=0. It will be observed that the numerator of (143) is the mo ment of inertia of the surface, and that the denominator is the statical moment. Hence the denominator is equal to the area of the surface multiplied by the depth of its center of gravity (29). Hence, if A be the area and x, this depth,
Página 173 - ... and agricultural purposes. It has sometimes been made a question whether a riparian proprietor can divert water from a running stream, for purposes of irrigation. But this, we think, is an abstract question which cannot be answered either in the affirmative or negative, as a rule applicable to all cases. That a portion of the water of a stream may be used for the purpose of irrigating land, we think...
Página 167 - ... plantation." The systems adopted in California, Texas, New Mexico, and Colorado are of ancient origin and are copied from ancient models. They are not the best, but they are cheap and easy of construction. The settlement of the drier regions of our territory adds another instance to those of past history. The actual history of irrigation in the United States begins with the construction of the Pacific railroads. The enormous sums expended by the British Government in India, in irrigating works,...
Página 60 - D the syphon, and F what is called the " discharging-trough," consisting of a small chamber, made to turn round so that its mouth may be set in the direction that is required for connecting it with the line...
Página 74 - PPBS was not involved in the really crucial issues of the Vietnam war. Should the United States have gone into Vietnam in the first place? Did we go in at the right time, in the right way, and on the right scale? What force level should we have had, and how should these troops have been used?
Página 96 - Irrigated grass fields in Italy support easily two head of fattening cattle per acre, every year, and have long done so. In hundreds of localities in European countries are irrigated meadows, which have borne grass without any sign of deterioration within the memory of the inhabitants, or the knowledge of readers of local histories, although the crop has been cut and removed every year during this indefinite period.