Milan undertook the irrigation works which enriched the soil of Lombardy for ever. In the littoral districts excellent crops of cereals, cotton, fruit, wine and tobacco are obtained with the aid of irrigation. In 1909 an irrigation congress representative of all the governments of British South Africa was held at Robertson, in the Cape province. All these valleys, except Morrope and Chao, are watered by rivers which have their sources far in the recesses of the mountains, and which furnish an abundant supply in the season when irrigation is needed. Amongst the grasses which may be spared, Aira caespitosa, Briza media and Cynosurus cristatus are generally much reduced by irrigation. An irrigation reservoir, like a human being, has a certain life. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776338', position: 'btf' }}, 'max': 30, For this monsoon irrigation there is always abundance of water, and so long as the canals and sluices are kept in repair, there is little trouble in distributing it over the fields. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_mpuslot2_flex' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, type: "html5", These examples are from corpora and from sources on the web. var mapping_leftslot = googletag.sizeMapping().addSize([1063, 0], [[120, 600], [160, 600], [300, 600]]).addSize([963, 0], [[120, 600], [160, 600]]).addSize([0, 0], []).build(); params: { The Periyar irrigation project conducts water through the ghats in a tunnel to irrigate the Madras district of Madura, for which compensation of Rs. The problem for the agriculturist here is not irrigation, but drainage and keeping down spontaneous growths. Another word for irrigation. Jim spent two years in the Peace Corps explaining irrigation techniques to poor farmers in third-world nations. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776338', position: 'btf' }}, The means adopted are: (i.) gates v. tr. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776142', position: 'btf' }}, "login": { In the semi-arid regions of the United States, Argentina and other countries where the average annual rainfall lies between ioa to 20 in., irrigation is necessary to obtain full crops every year. Irrigation ditch definition: a ditch that artificially supplies water to an area of dry land | Meaning, pronunciation, translations and examples 'max': 3, { bidder: 'appnexus', params: { placementId: '11654156' }}, The system of irrigation by which these agricultural results are attained is most elaborate. It is only navigable by small sailing-vessels, even in its estuary, but its waters are extensively utilized for irrigation. Sullivan, " Irrigation in New Mexico " (Washington, 1909), Experiment Stations Bulletin 215; and F. Under the superintendence of an officer lent by the government of Madras, two great works of irrigation, from the lack of which agriculture had seriously suffered, were undertaken in 1898 and 1899. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, {code: 'ad_contentslot_1', pubstack: { adUnitName: 'cdo_mpuslot', adUnitPath: '/2863368/mpuslot' }, mediaTypes: { banner: { sizes: [[300, 250], [336, 280]] } }, A large part of the country is too arid for agriculture, and even with irrigation the water supply is sufficient for only a small part of the dry area. { bidder: 'openx', params: { unit: '539971070', delDomain: 'idm-d.openx.net' }}, Browse our dictionary apps today and ensure you are never again lost for words. The long dry season of the llanos and surrounding slopes, which have not as yet been devoted to cultivation, will require a different system of agriculture with systematic irrigation. The irrigation of the eight productive systems was 1,680,178 acres, and the revenue Rx.739,778. if(!isPlusPopupShown()) 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: 'ix', params: { siteId: '195466', size: [728, 90] }}, const customGranularity = { In Lombardy the irrigation is conducted on similar principles. The " Truckee-Carson project " for irrigation in Nevada was immediately begun. Pursuing an easterly course, this stream receives the waters of the romantic `Ain Fije (which doubles its volume), and bursts out by a rocky gateway upon the plain of Damascus, in the irrigation of which it is the chief agent. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, There are few pieces of land where the natural descent of the ground will not admit of the water being collected a second time, and applied to the irrigation of a second and lower meadow. The western portion of the state is a plain watered by the Zarafshan and by countless irrigation canals drawn from it. userSync: { 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()); Numerous canals are cut from the rivers for the purpose of affording artificial irrigation, which has proved of immense benefit to the country. }); - Allusion has already been made to the irrigation of India. To supply with water by means of pipes, sprinklers, ditches, or streams. Further information may be found in Sir C. C. Scott-Moncrieff, Irrigation in Southern Europe (London, 1868); Moncrieff, " Lectures on Irrigation in Egypt," Professional Papers of the Corps of Royal Engineers, vol. This is, of course, due to the excess of evaporation over the amount of water supplied by its two feeders, the Amu-darya and the Syrdarya, both of which are seriously drawn upon for irrigation in all the oases they flow through. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, They had also much skill in the construction of works for the supply of drinking water on a large scale and for irrigation. ga('set', 'dimension3', "examplesPage"); Irrigation by "karez" is also largely resorted to. The Constitution of Colorado declares the waters of its streams the property of the state, and a great body of irrigation law and practice has grown up about this provision. The Panlaung and Zawgyi rivers from the Shan States flow through the district and are utilized for the numerous irrigation canals. After 1900 the city grew very rapidly, principally owing to the great irrigation schemes in southern Idaho; the water for the immense Boise-Payette irrigation system is taken from the Boise, 8 m. Timothy was grown in the northern, and alfalfa in the southern region as a forage crop. The claims for the available supply from small streams, however, exceeded the water to be had in the latter part of the irrigating season.. googletag.pubads().setTargeting("sfr", "cdo_dict_english"); Check bases of irrigation equipment for erosion of the foundation .. 2. 2. dfpSlots['houseslot_b'] = googletag.defineSlot('/2863368/houseslot', [], 'ad_houseslot_b').defineSizeMapping(mapping_houseslot_b).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').setCategoryExclusion('house').addService(googletag.pubads()); } From this period also date the irrigation works which render the Lombard plain a fertile garden. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, 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. vary widely, and irrigation works differ both in extent and in character. It has been contended that irrigation water suffers no change in composition by use, since by evaporation of a part of the pure water the dissolved matters in the remainder would be so increased as to make up for any matters removed. : In the perennial irrigation areas, it is usually grown under the basin flood irrigation method. : For perennial irrigation a duty of 60 acres can only be obtained by the most careful arrangements where crops are in large masses. To supply with water by means of pipes, sprinklers, ditches, or streams. { bidder: 'ix', params: { siteId: '195453', size: [300, 250] }}, In upward or subterranean irrigation the water used rises upward through the soil, and is that which under ordinary circumstances would be carried off by the drains. googletag.pubads().setTargeting("cdo_ptl", "ex-mcp"); Click on the arrows to change the translation direction. These streams are all dry during the hot season, but in the rains they flow freely and replenish the numerous tanks and irrigation channels. {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'appnexus', params: { placementId: '11654151' }}, var mapping_rightslot = googletag.sizeMapping().addSize([746, 0], [[300, 250]]).addSize([0, 0], []).build(); Translate irrigation into Spanish. dfpSlots['topslot_b'] = googletag.defineSlot('/2863368/topslot', [[728, 90]], 'ad_topslot_b').defineSizeMapping(mapping_topslot_b).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'center').addService(googletag.pubads()); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, Extensive irrigation works existed in Shwebo district, but they fell into disrepair in King Thibaw's time. But where irrigation is employed the yield of crops is excellent. Then let the turf be laid down again and beaten firm, when the meadow will be complete at once, and ready for irrigation. The average yield per acre of cane-sugar is the greatest in the world, 30 to 40.tons of cane being an average per acre, and as much as rot tons of sugar having been produced from a single acre under irrigation. The precipitation in southern Saskatchewan and Alberta is much more variable than farther east and north, so that in some seasons crops have been a failure through drought, but large areas are now being brought under irrigation to avoid such losses. { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_mpuslot2_mobile_flex' }}, He was as successful in the arts of peace as he had been in those of war; and carried to completion, among other good works, an ambitious irrigation scheme - probably the greatest feat of engineering that had then been accomplished anywhere in the world. The Naviglio Grande of Lombardy is a very fine work drawn from the left bank of the Ticino and useful for navigation as well as irrigation. },{ Through this stretch of dasht the drainage from the main water-divide breaks downwards to the plains of Herat, where it is arrested and utilized for irrigation purposes. Academic English Words List and Example Sentences { bidder: 'appnexus', params: { placementId: '11654208' }}, - California Agricultural Experiment Station, Bulletins from 1884; Reports of the State Dairy Bureau, from 1898; State Board of Horticulture, Reports, 1889-1894; United States Censuses, 1890 and 1900, reports on irrigation. 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. Because my ranch depends on irrigation for its water supply, I am greatly concerned about the lake’s decreasing volume. the spurs from the cordillera toward the coast are more sharply defined and enclose deeper valleys, where the cultivation of the soil becomes possible, at first through irrigation and then with the aid of light periodical rains. In some parts of Lower Burma and in the dry districts of Upper Burma a hot season crop is also grown with the assistance of irrigation during the spring months. { bidder: 'ix', params: { siteId: '195452', size: [336, 280] }}, { bidder: 'ix', params: { siteId: '195452', size: [300, 250] }}, Still more recently, however, experiments have been made to grow Egyptian cotton in Sind with the help of irrigation. Except on the scattered oases, where irrigation from springs and mountain streams has reclaimed small patches, the desert is barren and forbidding in the extreme. The introduction of English officials and English influence into all the administrative departments was resented by the native officials, and the action of the irrigation officers in preventing the customary abuses of the distribution of water was resented by the great landowners, who had been, from time immemorial, in the habit of taking as much as they wanted, to the detriment of the fellahin. In the countries now being considered, the test of an irrigation work is how it serves in a season of drought and famine. Closer examination, however, shows that if the prevailing slopes are not more than a few inches in the mile, yet they do exist, and scientific irrigation requires that the canals should be taken along the crests and drains along the hollows. In all upwards of 300,000 acres are subject to irrigation under these schemes. The other cereals may be seen occasionally, where artificial irrigation is practised, in all stages of progress at all seasons of the year, though the operations of agriculture are, as a general rule, limited to the rainy months, when alone is the requisite supply of water commonly forthcoming. The ranges of the Rocky Mountains in their turn receive some rainfall from the passing winds, but it is only after the westerlies are reinforced by a moist indraft from the Gulf of Mexico and the Atlanticthe result of summer or of cyclonic inflowthat rainfall increases to a sufficient measure on the lower lands to support agriculture without irrigation. There has been a general parallelism between the amount of rain and the amount of wheat produced; but as yet irrigation is little used for this crop. Much of the soil of the desert appears to be alluvial; there are numerous traces of streams having formerly passed over it, and still, where irrigation is at all practicable, fertility in the clayey tract follows; but the rains are scanty, the wells few and generally 100 ft. All crops do not require the same amount of water. { bidder: 'sovrn', params: { tagid: '387233' }}, The country is dry and sandy, and entirely depends on well irrigation for its water supply. But in many regions the soil is deficient in phosphates and nitrates, and large irrigation works can be profitable only in districts where the soil is exceptionally fertile. of irrigation canals and large ditches in the state; the irrigated acreage had increased from 350,582 acres in 1889 to 951,154 acres in 1899, when about 84% of the irrigated area was in the south-west. 2. 24 along the slopes of the higher mountains, on which the rain falls more abundantly, or the melting snow supplies streams for irrigation. {code: 'ad_contentslot_2', pubstack: { adUnitName: 'cdo_mpuslot', adUnitPath: '/2863368/mpuslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 100], [320, 50], [300, 50]] } }, Extensive irrigation projects have made available many thousand acres of fertile land, and much more will be subjected to cultivation in the future as the large ranges aie broken up into smaller tracts. 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