The Principles of Irrigation Practice

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The Macmillan Company, 1914 - Irrigation - 496 pages
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Page xi - In the dietary studies made in connection with the nutrition investigations of the Office of Experiment Stations of the United States Department of Agriculture...
Page 462 - reclamation fund," to be used in the examination and survey for and the construction and maintenance of irrigation works for the storage, diversion, and development of waters for the reclamation of arid and semiarid lands in the said States and Territories...
Page 464 - for the purpose of collecting from agricultural colleges, agricultural experiment stations, and other sources, including the employment of practical agents, valuable information and data on the subject of irrigation, and publishing the same in bulletin form.
Page 501 - ... for the writing of this book. One volume, only, in this world of many books, and that less than a year old, is devoted to the exposition of the accepted dry-farm practices of to-day. The book now offered is the first attempt to assemble and organize the known facts of science in their relation to the profitable production of plants, without irrigation, in regions of limited rainfall. The needs of the actual farmer, who must understand the principles before his practices can be wholly satisfactory,...
Page 157 - Bui. 128:1-15. Morgan, JO 1912 The effect of soil moisture and temperature on the availability of plant nutrients in the soil. Amer. Soc. Agron. Proc. 3 Ohlmer, W.
Page 107 - Stewart, R., and Greaves, JE 1909 A study of the production and movement of nitric nitrogen in an irrigated soil. Utah Agr. Exp. Sta. Bui.
Page 4 - Irrigation is the artificial application of water to lands for the purpose of producing large and steady crop yields whenever the rainfall is insufficient to meet the full water requirements of crops.
Page 401 - State, which is being conducted by the Bureau of Soils of the United States Department of Agriculture...
Page 187 - ... for seed, like wheat and other small grains, peas, beans, etc., seldom need irrigation before the time of seed- formation, when one or two moderate irrigations are desirable. Long-season crops, like sugar beets, potatoes, corn, etc., must be irrigated regularly throughout the whole growing season. Fruit trees require a moderate amount of water in the spring and early summer, with an increasing quantity as the fruit develops. Citrus trees may be irrigated during the whole year, if necessary. AMOUNT...
Page 338 - ... certain number of inches, for it has been found by experience that usually each stockholder insists on using the entire head to which he is entitled, even though his grove would probably be better off if less water were used. "Every irrigation farmer...

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