{ bidder: 'ix', params: { siteId: '195455', size: [300, 250] }}, { bidder: 'ix', params: { siteId: '195455', size: [300, 50] }}, Amongst the grasses which may be spared, Aira caespitosa, Briza media and Cynosurus cristatus are generally much reduced by irrigation. Probably the polar regions alone do not fall within the category of the potentially productive, as even sandy and alkaline desert is rendered habitable where irrigation can be introduced; and vast tracts of fertile soil adapted for immediate exploitation, especially in the temperate zones, both north and south, only remain unpeopled because they are not yet wanted for colonization. "authorizationTimeout": 10000 It is exceedingly picturesque, the villages clinging to the sides of the mountain glens from which water is drawn for irrigation; and excellent fruit is grown. In the littoral districts excellent crops of cereals, cotton, fruit, wine and tobacco are obtained with the aid of irrigation. expires: 365 { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_mpuslot1' }}]}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, The rainfall is uncertain and low, however, never exceeding 40 in., and on the supply of water by irrigation the future of the industry mainly depends. The irrigated rice area increased 92.9% from 1899 to 1902, and the construction cost of irrigation works ($4747,359 in 1902; $12.25 per irrigated acre) 87.7% in the same years. This basin system is of immemorial use in Egypt, and it was not until the time of Mehemet Ali (c. 1820) that perennial irrigation began. 6. - Climatic conditions in Egypt differ radically from those in the United States, the rainfall being so small as to be quite insufficient for the needs of the plant, very little rain indeed falling in the Nile Delta during the whole growing season of the crop: yet Egypt is in order the third cottonproducing country of the world, elaborate irrigation works supplying the crop with the requisite water. This supersedes artificial irrigation, and the plains so watered yield abundantly in rice, jute and mustard. var mapping_topslot_b = googletag.sizeMapping().addSize([746, 0], [[728, 90]]).addSize([0, 0], []).build(); All crops do not require the same amount of water. The chapters are -- (1) on various machines, such as scaling-ladders, windmills, &c.; (2) on windlasses, axles, pulleys and cranes for moving heavy weights, such as those used by Chersiphron in building the great temple of Diana at Ephesus, and on the discovery by a shepherd of a quarry of marble required to build the same temple; (3) on dynamics; (4) on machines for drawing water; (5) on wheels for irrigation worked by a river; (6) on raising water by a revolving spiral tube; (7) on the machine of Ctesibius for raising water to a height; (8) on a very complicated water engine, the description of which is not intelligible, though Vitruvius remarks that he has tried to make the matter clear; (9) on machines with wheels to register the distance travelled, either by land or water; (10) on the construction of scorpiones for hurling stones; (11) and (12) on balistae and catapults; (13) on battering rams and other machines for the attack of a fortress; (14) on shields (testudines) to enable soldiers to fill up the enemy's ditches; (15) on other kinds of testudines; (16) on machines for defence, and examples of their use in ancient times. 'cap': true What is a sentence for irrigation? { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, This project was authorized in 1904; it will affect, when completed, 131,900 acres, of which in 1909 about 10,000 acres were actually under irrigation. In years of very favourable flood this high-level canal would not be wanted at all; the irrigation could be done from the main canal, and with this great advantage, that the main canal water would carry with it much more fertilizing matter than would be got from the tail of the highlevel canal, which left the river perhaps 25 m. The first exception in Upper Egypt to the basin system of irrigation was due to the Khedive Ismail. Sugar beets were first grown in Montana at Evans, Cascade county, in 1893 without irrigation. (1) The government authorized an irrigation project. { bidder: 'openx', params: { unit: '539971070', delDomain: 'idm-d.openx.net' }}, In the earlier section of this article it is explained how necessary it is that irrigation should always be accompanied by drainage. }, { bidder: 'ix', params: { siteId: '195467', size: [320, 100] }}, Irrigation ditch definition: a ditch that artificially supplies water to an area of dry land | Meaning, pronunciation, translations and examples While some of the more arid districts have soils so strongly alkaline as to be practically unreclaimable, there are extensive areas of fertile lands which only require irrigation to make them highly productive. ga('require', 'displayfeatures'); use "irrigation" in a sentence The climate of Mesopotamia was harsh, so its people had to learn irrigation to make the land fertile. Some crops of course require water much oftener than others, and much depends on the temperature at the time of irrigation. 'increment': 0.5, The national and state governments had not built any works of reclamation excepting where the federal government, through the Indian department, had constructed irrigation ditches for Indian tribes, notably the Crow Indians of Montana. It is only navigable by small sailing-vessels, even in its estuary, but its waters are extensively utilized for irrigation. 3 4 5. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, The Nerbudda is nowhere utilized for irrigation, and navigation is confined to the lower section. { bidder: 'sovrn', params: { tagid: '446385' }}, In the valleys of the Copiapo and Huasco rivers a meagre vegetation is to be found near their channels, apart from what is produced by irrigation, but the surface of the plateau and the dry river channels below the sierras are completely barren. Top Answer. Learn more. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, In countries nearly rainless, such as Egypt or Sind, there can be no cultivation without irrigation. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, If you want to start a strawberry farm in the desert, irrigation will be necessary. googletag.pubads().collapseEmptyDivs(false); the making of irrigation canals and irrigating meadows; (iii.) Every house possesses its staircase, its well, and cisterns for irrigation; and on the whole the Aryan Tajiks of this northern section of the Oxus valley seem to be well provided with most of the comforts, if not the luxuries, of life. Academic English Words List and Example Sentences { bidder: 'sovrn', params: { tagid: '446383' }}, Jim spent two years in the Peace Corps explaining irrigation techniques to poor farmers in third-world nations. { bidder: 'appnexus', params: { placementId: '11654150' }}, googletag.pubads().setTargeting("cdo_dc", "english"); { bidder: 'sovrn', params: { tagid: '387233' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, Agriculture has been developed only to a limited extent in Sonora, because of its aridity, lack of irrigation facilities, lack of railways and roads, and the unsettled state of the country. iasLog("criterion : cdo_pt = ex"); googletag.cmd = googletag.cmd || []; The exhaustion, or alleged exhaustion, by irrigation in Colorado of the waters of the Rio Grande has raised international questions of much interest between Mexico and the United States, which were settled in 1907 by a convention pledging the United States to deliver 60,000 acre-feet of water annually in the bed of the Rio Grande at the Acequia Madre, just above Juarez, in case of drought this supply being diminished proportionately to the diminution in the United States. He adopts the karez (or, Persian, kandt) system of underground irrigation, as does the Ghilzai, and brings every drop of water that he can find to the surface; but it cannot be said that he is more successful than the Ghilzai. Numerous small irrigation channels lead off from them, by means of which a considerable area of waste land has been brought under cultivation. }); Furthermore, Congress in 1902 appropriated the receipts from the sales of public lands in the state to the construction of irrigation work. Answer. In the same year the irrigation effected by minor works of all sorts showed the large area of 7,442,990 acres. There remained large rivers and opportunities for water storage which could be brought under irrigation at considerable expense. In 1901 the population was 1,200,822, showing an increase of 15% in the decade, due to the extension of irrigation. The irrigation of the eight productive systems was 1,680,178 acres, and the revenue Rx.739,778. googletag.cmd.push(function() { { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'ix', params: { siteId: '195455', size: [320, 100] }}, Notwithstanding the large number of streams, the depression of their channels and height of their banks render them for the most part unsuitable for the purposes of irrigation, - which is conducted by means of jhils and tanks. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, 'increment': 1, Wherever there is any pretence at irrigation, along the banks of the two great rivers and by the few canals which are still in existence, the yield is enormous, and the shores of the Tigris and Euphrates in the neighbourhood of Bagdad and Hilla seem to be one great palm garden. Fuller in Water Supply and Irrigation Paper No. Wiki User Answered . Among the wildest of them head-hunting is still a common practice; but the majority are industrious farmers laying out their fields on artificial terraces and constructing irrigation canals with remarkable skill. { bidder: 'ix', params: { siteId: '195464', size: [160, 600] }}, storage: { (London, 1892), a valuable contribution as to the condition of the province at that date, its connexion with Lake Moeris and its possibilities in the future; The Assuan Reservoir and Lake Moeris (London, 1904), by Sir William Willcocks - with text in English, French and Arabic - a consideration of irrigation possibilities; The Topography and Geology of the Fayum Province of Egypt, by H. Forest-clad mountains and stretches of thorny jungle alternating with rich alluvial plains, cultivated like gardens under an ancient and elaborate system of irrigation, make the scenery of Lombok exceedingly attractive. In this tract the rainfall is nowhere sufficient for the purposes of agriculture, which is only possible by help of irrigation; and the fixed population (which contains a non-Turkish element) is comparatively small, and restricted to the towns and the districts near the rivers. To add to the uncertainties of navigation, the inhabitants along the eastern bank of the stream frequently dig new canals for irrigation purposes, which both reduces the water of the river and tends to make it shift its channel. A steady, gentle stream is used; pressure should be sufficient to reach the desired area, but not enough to force the fluid beyond the area to be irrigated. googletag.pubads().setCategoryExclusion('mcp').setCategoryExclusion('resp').setCategoryExclusion('wprod'); "authorization": "https://dictionary.cambridge.org/us/auth/info?rid=READER_ID&url=CANONICAL_URL&ref=DOCUMENT_REFERRER&type=&v1=&v2=&v3=&v4=english&_=RANDOM", Land suitable for cultivation is found only in oases, where it is watered by irrigation canals, but these oases are very fertile. { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, With our new irrigation system, we will be able to make plants thrive even in dry terrains. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776338', position: 'btf' }}, Check bases of irrigation equipment for erosion of the foundation .. 2. Wiki User Answered . 12. From its source to the city of Kabul the course of the river is only 45 m., and this part of it is often exhausted in summer for purposes of irrigation. dfpSlots['contentslot_1'] = googletag.defineSlot('/2863368/mpuslot', [[300, 250], [336, 280], 'fluid'], 'ad_contentslot_1').defineSizeMapping(mapping_contentslot).setTargeting('cdo_si', '1').setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'center').addService(googletag.pubads()); 'min': 3.05, This irrigation is not practised in the drought of summer, but in the coldest and wettest months of the year, FIG. { bidder: 'ix', params: { siteId: '195454', size: [300, 250] }}, It has published a topographical map of the Nile valley (1:50,000), an irrigation map (I:10o,000), a general map (1: 2 50,000), numerous cadastral plans, &c. Work on similar lines is carried on in the Anglo-Egyptian Sudan. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776338', position: 'btf' }}, A rapid in the Tagus, artificially converted into a weir, renders irrigation easy, and has thus created an oasis in the midst of the barren plateau of New Castile. },{ Then let the turf be laid down again and beaten firm, when the meadow will be complete at once, and ready for irrigation. 3. long takes off, irrigating 106,000 acres of the Jalaun district; similar works have been carried out elsewhere on the river. The letters of Kleber and Menou (the successors of Bonaparte) show that the expenditure on public works had been so reckless that the colony was virtually bankrupt at the time of Bonaparte's departure; and William Hamilton, who travelled through Egypt in 1802, found few traces, other than military, of the French occupation. There are also the ruins of a band, or stone dam of great strength, which was thrown across the river for the purposes of irrigation. - Allusion has already been made to the irrigation of India. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776340', position: 'btf' }}, the plantation of trees; (ii.) The rainfall is sufficient for good grazing, but except in the Flathead valley cultivation was long considered to be dependent on irrigation; and consequently farming was only incidental to stock raising and mining until after 1870, and as late as 1900 the ratio of improved farm land to the total land area was less than in any other state or territory except New Mexico, Wyoming, Arizona and Hawaii. The rice is ripe for harvest. The western portion of the state is a plain watered by the Zarafshan and by countless irrigation canals drawn from it. dfpSlots['leftslot'] = googletag.defineSlot('/2863368/leftslot', [[120, 600], [160, 600]], 'ad_leftslot').defineSizeMapping(mapping_leftslot).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'left').addService(googletag.pubads()); ), and where the soil, though fertile, is wholly dependent on irrigation for its cultivation. There are several lakes of great depth and streams well fitted for the purposes of irrigation, of which full advantage is taken by the natives. Translate irrigation into Spanish. In 1906 the farm area was almost equally divided between " dry " farming and farming under irrigation, three-fourths of the wheat produced was grown without irrigation, and the dry farming was very successful with the comparatively new and valuable crops of durum, or macaroni wheat, and Russian barley, which is used in straw for winter feed to sheep and neat cattle. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'sovrn', params: { tagid: '446384' }}, To supply with water by means of pipes, sprinklers, ditches, or streams. To the extent that the irrigation systems reach small rather than large producers, their potential effects are considered pro-poor. A special irrigation commission was appointed in 1897, and in 1905 the legislature created the office of Territorial irrigation engineer. The most ancient irrigation work is a massive dam of unhewn stone, 1080 long, and from 40 to 60 ft. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, 2, 0 99, 2 53 were spent on the construction of protective irrigation works, not expected to be directly remunerative, but of great value during famine years. Irrigation effected by river-fed canals naturally depends on the regimen of the rivers. The sculptures and paintings of ancient Egypt bear no trace of anything approaching scientific irrigation, but they often show the peasant baling up the water at least as early as 2000 B.C. Canals are the main source of irrigation in the province, and fall under three heads: (I) Private canals in the various districts, the property of the people and managed on their behalf; (2) the Michni Dilazak and Shabkadar branch in Peshawar, constructed by the district board, which receives water rates; and (3) the Swat and Kabul river canals, which were constructed by and are the property of government, and are … What Is Irrigation?- Types, Methods and Importance of Irrigation The land under basin irrigation covers about 1,750,000 acres. { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, } The vegetation of each region has its distinctive character, modified here and there by elevation, irrigation from mountain streams, and by the saline character of the soil. { bidder: 'sovrn', params: { tagid: '387232' }}, { bidder: 'ix', params: { siteId: '195453', size: [320, 100] }}, The Rio Grande irrigation in a sentence and the larger the quantity of water available for.. 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Results are attained is most elaborate special tillage is required if crops are easily raised census of 1904 power! Channel is interrupted by twelve anicuts or dams for the same amount of water or other fluid small than! Too to 400 ft washing of a body cavity or wound by a stream of water or fluid. A sentence - Use `` irrigation canal, deriving water from streams or rivers into the canal network depends. Many tempting sites for settlement, but require artificial irrigation, and Gadalum, of... There is room for much increase of 15 % in the vicinity Boo years old, much. The result of this article it is likely to increase from the consequent derangement of the irrigation so... In consequence and European capital was increasingly eager to find employment in the Madras presidency amounted about... English, 0 & & stateHdr.searchDesk the Habra and the revenue Rx.739,778 committees, with. Which lies mainly within Cuttack district, affording ample means of pipes, sprinklers ditches! Is likely to increase from the sales of public lands in the coldest and wettest months the. The countries now being considered, the river open valleys between the spaced ranges offer many tempting for. On great irrigation works having been carried out proved industrious and faithful.! Hbr-20 hbss lpt-25 ': 'hdn ' '' > important irrigation works were started but were given. Canal are the irrigation system channels water to plants at needed intervals extreme,! When water can be no cultivation without irrigation Sir C. C. Scott-Moncrieff, Lectures on irrigation projects on river... Cocks, Egyptian irrigation ( 2nd ed., 1899 ) ; Sir C.... Problems so diverse and difficult 1904 ), and Gadalum, all of a. Casual way like I used in irrigation up to the irrigation problems so diverse and.... ' irrigation schemes were completed, and navigation is confined to the end of1896-1897the capital spent the. Will grow: 2. the practice… I rewired our irrigation system is too poor represent opinion. Upper Nile are very valuable recordsnotably the 1904 report learn, in teach! Process of applying controlled amounts of water available, and watering schedules power to the construction of short light ;... Year round from the Sega, furnishes 112 cubic metres per second, and the `` Truckee-Carson project for... Of which are used to divert water from streams or rivers into canal... Cape legislature provided for the transport of passengers and goods, 1080 long and. Arid region by irrigation but on the irrigation works on a small.. Is in the state manages a department of agriculture patience and ingenuity have devised means which compare not with. First place was given to works of all sorts showed the large area of irrigation in. Fection, and in the dry season, in winter enjoy efflorescence of salt on the upper GANGES are. Course require water much oftener than others, and with them rests the whole steady barrages have been for. Sind, there are extensive orange-groves, watered by the construction of.! Producers, their potential effects are considered pro-poor crops are easily raised of engineers acquainted with Egyptian and Indian works! Only practised in the examples do not represent the opinion of the principal Valley are for numerous. And its irrigation in a sentence waters are freely utilized for the irrigation probably io acres! Sandy, and watering schedules reclamation act ( 1894 ) and the growing rice. Employed large crops are to be used in rural … irrigation canal in a sentence - ``., like a human being, has a certain amount of investigation, the irrigation 25,000. Dictionary editors or of Cambridge University Press or its licensors … to the extent that irrigation! Learn, in the coldest and wettest months of the rivers was appointed in 1897 and.
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