Irrigation Management: The Operation, Maintenance and Betterment of Works for Bringing Water to Agricultural LandsD. Appleton, 1916 - 306 pages |
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Common terms and phrases
acre-feet acre-foot acreage acres agricultural alfalfa alkali amount of water applied arid region average bank better BOISE PROJECT BOISE RIVER built canal system canal-riders Carey Act cent charge checks considerable coöperation cost of operation crops cubic foot cultivation delivered delivery depreciation Desert Land Act distribution ditches ditions drains economy efforts engineering example excess expenditures expense experience fact farm farmer fertility field flow frequently gates gation gradually ground handling headgates increased individual irri irrigated lands irrigation head irrigation manager irrigation project irrigation system labor larger less main canal matter ment methods miner's inches necessary needed neighbors obtain operation and maintenance overirrigation payment plant possible practice production quantity of water reason Reclamation records relatively rotation sandy second-feet seepage settlers slope soil structures subirrigation success sugar beets superintendents surface tion tract usually various waste water supply water users watermaster
Popular passages
Page 17 - Mar. 23, 1901). 1 second-foot equals 38.4 Colorado miner's inches. 1 second-foot equals 40 Arizona miner's inches. 1 second-foot equals 7.48 United States gallons per second; equals 448.8 gallons per minute; equals 646,317 gallons for one day. 1 second-foot equals 6.23 British imperial gallons per second.
Page 18 - States gallons equals 3.07 acre-feet. 1,000,000 cubic feet equals 22.95 acre-feet. 1 acre-foot equals 325,850 gallons. 1 inch deep on 1 square mile equals 2,323,200 cubic feet. 1 inch deep on 1 square mile equals 0.0737 second-foot per year. 1 foot equals 0.3048 meter. 1 mile equals 1.60935 kilometers. 1 mile equals 5,280 feet.
Page 49 - Provided, That the right to the use of water acquired under the provisions of this act shall be appurtenant to the land irrigated, and beneficial use shall be the basis, the measure, and the limit of the right.
Page 17 - States gallons per second; equals 448.8 gallons per minute ; equals 646,317 gallons for one day. 1 second-foot for one year covers 1 square mile 1.131 feet or 13.572 inches deep. 1 second-foot for one year equals 31,536,000 cubic feet. 1 second-foot equals about 1 acre-inch per hour. 1 second-foot for one day equals 86,400 cubic feet.
Page 18 - ... equals 0.4047 hectare. 1 acre equals 43,560 square feet. 1 acre equals 209 feet square, nearly. 1 square mile equals 2.59 square kilometers. 1 cubic foot equals 0.0283 cubic meter. 1 cubic foot of water weighs 62.5 pounds. 1 cubic meter per minute equals 0.5886 second-foot. 1 horsepower equals 550 foot-pounds per second. 1 horsepower equals 76.0 kilogram-meters per second. 1 horsepower equals 746 watts. 1 horsepower equals 1 second-foot falling 8.80 feet.
Page 259 - Figures are restricted to irrigated areas covered by crop reports, excluding about 100,000 acres irrigated but not covered by crop reports and relatively small areas on a few projects cropped without irrigation except as noted...
Page 282 - Duplicated areas resulting from growing grass and grain on the same land, from raising crops in bearing orchards, and from other similar methods of cropping shall be carefully ascertained and deducted. 6. In reporting areas irrigated for other purposes, there shall be included : Nonbearing orchards...
Page 259 - ... reclamation projects only, excluding three Indian projects in Montana, partially completed and under construction by the Reclamation Service for the Indian Service. ' Government project only, exclusive of towns and Tempe Canal lands.
Page 297 - ... solicitation, flattery or improper bias of any kind, must take an interest in his work, must be energetic, quick to decide, prompt to act, must be fair and impartial as a judge on the bench, must have experience in his work and in dealing with men, which implies some maturity of years, must have business habits and knowledge of accounts. Men who combine these qualities are not to be picked up every day. Still they can be found. But they are greatly in demand, and when found, they are worth their...
Page 4 - Irrigation enterprises as a rule have been considered mainly from the physical or engineering side. The promoters, more concerned with irrigation developments, have approached the subject from the standpoint of the details of building the works. * • * It has been a matter of surprise for them to discover, after the works are built and are in condition for operation, that the real elements of success are those more dependent upon proper relations with the farmers and with the soil than those upon...