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Algeria Algerian Sahara alkali content Alkali in soil altitude amount of alkali Arabs Ariz Arizona artesian water average Ayata Biskra Bureau of Soils Calcium sulphate California cent of alkali Chegga climate cold Colorado Desert Colorado River containing Cooperative Date Garden crop plants date culture date palm date plantation Deglet Noor dates Department of Agriculture ditches doubtless drainage Experiment Station Fairchild feet Fougala fruit trees Garden at Tempe grown gypsum hardpan humidity inches Indio injured irrigation irrigation water land late sorts Magne Mammoth Tank mature nearly oases oasis offshoots Oued Rirh country Ourlana packed Plate pollination pounds probably rainfall region ripen roots Sahara Desert Salt River Valley Salton Basin sample sea level season Seidell's original sium Sodium bicarbonate Sodium chlorid Sodium sulphate soluble sorts of dates subsoil surface crust Surface foot surface soil Table temperature tion of alkali Total U. S. Department winter Yearbook Yuma
Page 140 - ... boom,' could be largely avoided were it possible to furnish the would-be planter with a black-and-white statement of the necessities of the crop plants under discussion, whereby he would be able to question intelligently whether the region were adapted to the proposed cultures. At present it is no exaggeration to state that the life history requirements and the limits of the power to resist unfavorable environmental conditions are far better known for many microscopic lower plants, such as bacteria,...
Page 58 - ... contraction it's for it is should not be confused with the possessive pronoun its. Explain why the word its is written with an apostrophe in some of the following cases, and why it is written without one in others. Study the selections and write from dictation : 1. The Arabs say that the palm tree must have its feet in running Water and its head in the burning sun. 2. It's good to be rich and it's good to be strong; but it's better to be beloved of many friends. 3^ Among the most interesting...
Page 36 - Kassem date, of a rich amber color, verging on ruddiness, and semitransparent. It would be absurd to attempt by description to give any idea of a taste, but I beg my Indian readers at least to believe that a '
Page 137 - No old inhabitant thinks of eating a date without first thoroughly washing it in a glass of water, unless the cook has prepared it beforehand, and the sale of dates in America might fall off decidedly were it generally known how intimately the unwashed hands, bodies, and teeth of the notably filthy Arabs often come in contact with the dates which are sold by every confectioner.
Page 2 - ERWIN F. SMITH, Pathologist in Charge of Laboratory of Plant Pathology. GEORGE T. MOORE, Physiologist in Charge of Laboratory of Plant Physiology. HERBERT J. WEBBER, Physiologist in Charge of Laboratory of Plant Brccdinit.
Page 106 - In the portion of the basin surveyed by Means and Holmes five types of soils were recognized. The areas occupied by these types are shown in Table 38. « Circular 9, Bureau of Soils, January, 1902, and Field Operations of the Bureau of Soils, US Department of Agriculture, 1901, pp.
Page 24 - It is said to be the only male palm which produces pollen at' the right time to be used on all of the eight varieties of female dates grown about Ramley, Egypt. The chief requisite of a male date palm is that it shall produce an abundance of pollen at the right time to be used in pollinating the female sorts that are grown. If date palms were propagated from seed, and still more if any attempt should be made to breed new and better sorts, it would be very desirable to secure male sorts capable of...
Page 16 - flower cluster just opening; above two young fruit clusters, the larger still bound about with the cord used to attach the male flowers in pollinating. May, 1900. (After negative by the writer.) Assyrians — learned to pollinate the palm artificially, and from a small proportion of male trees to fertilize the flowers of a very great number of female trees. At the present time the proportion followed in commercial planting is that of about one male tree to a hundred female trees.
Page 104 - ... the Saltón River, which is used to carry the water 60 miles to the northwest, where at the international boundary line it is turned into a 60-foot canal with a capacity of 5,000 second-feet, intended to irrigate all the lands lying between the Saltón and New rivers. After entering the United States for a short distance this large canal is divided into two 30-foot canals running side by side, the object being to use one while the other is being cleaned. The courses of the lateral canals are...
Page 108 - These strata are from 0.01 inch to 2 or 3 inches thick, very much resembling shale; in fact, to all external appearances being exactly similar. When water is applied, however, the soil softens up and is a reddish sticky loam, a little heavier than a silt loam. It is from 4 to 6 feet deep, underlain by a clay or clay loam, and contains considerable organic matter, including an abundance of nitrogen and potash.