With about 95% share of the total irrigation worldwide, surface irrigation is by far the most widespread irrigation method. Copyright © 2000-2016 sensagent : Encyclopédie en ligne, Thesaurus, dictionnaire de définitions et plus. Level basin irrigation has historically been used in small areas having level surfaces that are surrounded by earth banks. Surface irrigation is defined as the group of application techniques where water is applied and distributed over the soil surface by gravity. https://www.definitions.net/definition/surface+irrigation. – Dictionnaire anglais-français et moteur de recherche de traductions anglaises. Apport d'eau réalisé sur un terrain cultivé ou une prairie en vue de compenser l'insuffisance des précipitations et/ou des réserves hydriques du sol et, ainsi, de permettre le plein développement des plantes. Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. Surge Irrigation is a variant of furrow irrigation where the water supply is pulsed on and off in planned time periods (e.g. LA fenêtre fournit des explications et des traductions contextuelles, c'est-à-dire sans obliger votre visiteur à quitter votre page web ! This Fact Sheet provides general information on key aspects of this historic technology that is still in use in many parts of the world. Vérifiez la prononciation, les synonymes et la grammaire. The recession phase describes the time period while the water front is retreating towards the downstream end of the field. While surface irrigation can be practiced effectively using the right management under the right conditions, it is often associated with a number of issues undermining productivity and environmental sustainability, Toutes les traductions de surface irrigation, dictionnaire et traducteur pour sites web. If a field is level in all directions, is encompassed by a dyke to prevent runoff, and provides an undirected flow of water onto the field, it is herein called a basin. Also known as subirrigation. Parcourez les exemples d'utilisation de 'irrigation de surface' dans le …  | Privacy policy Surface irrigation is where water is applied and distributed over the soil surface by gravity. Shorter furrows are commonly associated with higher uniformity of application but result in increasing potential for runoff losses. Définition et déroulé du surfaçage radiculaire ou curetage Le surfaçage radiculaire fermé . surface irrigation translation in English-French dictionary. Surface irrigation is the introduction and distribution of water in a field by the gravity flow of water over the soil surface. Water from these sources is carried to the field by lifting them with the help of water lifting devices used for irrigation. It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually unchanged for thousands of years. Il est aussi possible de jouer avec la grille de 25 cases. On peut distinguer plusieurs techniques d’irrigation , plus ou moins économes en eau (ou à risque de salinisation, etc. Obtenir des informations en XML pour filtrer le meilleur contenu. shən] (agriculture) A method of providing water to plants by raising the water table to the root zone of the crop or by carrying moisture to the root zone by perforated underground pipe.  | Informations The reduction in infiltration is a result of surface consolidation, filling of cracks and micro pores and the disintegration of soil particles during rapid wetting and consequent surface sealing during each drying phase[2]. Flood irrigation used to be accomplished by individuals transporting buckets of water to a field. We truly appreciate your support. The advance phase refers to that length of time as water is applied to the top end of the field and flows or advances over the field length. It may be furrowed or … A flow is introduced at … Indexer des images et définir des méta-données. In reality, some of the irrigation practices grouped under this name involve a significant degree of management (for example surge irrigation). The three most common methods are basin irrigation, border irrigation and furrow irrigation. Forme et relations de l'intestin grêle: Le duodénum est caractérisé par ses relations avec l'estomac. We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate image within your search results please use this form to let us know, and we'll take care of it shortly. This can be achieved through increasing flow rates or through the practice of surge irrigation. As the inflow ceases the water will continue to runoff and infiltrate until the entire field is drained. It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually unchanged for thousands of years. Jouer, Dictionnaire de la langue françaisePrincipales Références. Thanks for your vote! However, surface irrigation has limitations because it increases the chance of human contact with the effluent. . Labour availability 24 3. Furrow irrigation is conducted by creating small parallel channels along the field length in the direction of predominant slope. By using our services, you agree to our use of cookies. Each method includes several variations, only the more common of which are considered here. Type of crop 24 2.5.3. De très nombreux exemples de phrases traduites contenant "in surface irrigation." Participer au concours et enregistrer votre nom dans la liste de meilleurs joueurs ! The crop is planted on the ridge between furrows which may contain a single row of plants or several rows in the case of a bed type system. Web. The depletion phase is that short period of time after cut-off when the length of the field is still submerged. Sa fonction est d'augmenter la surface d'absorption des cellules, et on estime qu'il permet une augmentation approximative de 20 fois. Land grading is not necessary for other methods. Les cookies nous aident à fournir les services. Les canaux distribuent l'eau à d'autres canaux secondaires jusqu'aux parcelles. In all the surface methods, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. Drainage by ditches may be done with crops that require the soil to be wet but not completely saturated (and sometimes, especially not at certain times of year). réservé aux très petites surfaces. Surface irrigation is defined as the group of application techniques where water is applied and distributed over the soil surface by gravity. Changer la langue cible pour obtenir des traductions. In the rainy season/winter, they require drier soil. définition - irrigation signaler un problème. The spacing between adjacent furrows is governed by the crop species, common spacings typically range from 0.75 to 2 metres. "surface irrigation." Efficiencies of the different surface irrigation methods 23 2.5. Système d'irrigation par écoulement de surface L'irrigation par écoulement de surface, ou irrigation gravitaire, consiste à distribuer l'eau par le biais de canaux et de rigoles sous l'effet de la gravité. Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. Les jeux de lettres anagramme, mot-croisé, joker, Lettris et Boggle sont proposés par Memodata. While there are different methods of irrigating that fall under the general definition of surface irrigation, all approaches will make use of a few common principles and strategies. [, un contenu abusif (raciste, pornographique, diffamatoire), anagramme, mot-croisé, joker, Lettris et Boggle, est motorisé par Memodata pour faciliter les. Cette technique est effectuée principalement chez les personnes ayant une parodontite, infection des tissus soutenant les dents (le parodonte). Either the entire field is flooded (basin irrigation) or the water is fed into small channels (furrows) or strips of land (borders). Ajouter de nouveaux contenus Add à votre site depuis Sensagent par XML. ), outre l'arrosage manuel (arrosoir, seau, etc.) Throughout the world, this is the most commonly used type of irrigation process. The process of surface irrigation can be described using four phases. The term 'surface irrigation' refers to a broad class of irrigation methods in which water is distributed over the field by overland flow. The water can take a considerable period of time to reach the other end, meaning water has been infiltrating for a longer period of time at the top end of the field. Surface Irrigation is a kind of irrigation where gravity works its best. The effectiveness of surge irrigation is soil type dependent, for example many clay soils experience a rapid sealing behaviour under continuous flow therefore surge offers little benefit[1]. The depth of water applied to any point in the field is a function of the opportunity time, the length of time for which water is present on the soil surface. Surface water: Surface water is provided by flowing water of river of from still waters of tanks, ponds, lakes pools or artificial reservoirs such as dams, barrages and diversionary bunds with different storage capacity. ○   Lettris Surface Irrigation is an … Surface irrigation stands for a large group of irrigation methods in which water is distributed by gravity over the surface of the field (note: surface irrigation does not include spate irrigation). Irrigation (n.) 1. Astuce: parcourir les champs sémantiques du dictionnaire analogique en plusieurs langues pour mieux apprendre avec sensagent. Une fenêtre (pop-into) d'information (contenu principal de Sensagent) est invoquée un double-clic sur n'importe quel mot de votre page web. Images & Illustrations of surface irrigation. Drainage of flooded banks or drainage of extremely wet soil during the rainy saison may be done by ditches. 2.5.5. Drip irrigation is a type of micro-irrigation system that has the potential to save water and nutrients by allowing water to drip slowly to the roots of plants, either from above the soil surface or buried below the surface. The water is distributed directly onto the basic system of the plant. Irrigation water surface is the mode of administration of the oldest and most commonly used. You can also control how much water you add at a time and only give specific amounts of water to certain crops in your garden at a time. Definitions.net. STANDS4 LLC, 2020. Low flow irrigation (also referred to as small irrigation) refers to emitters, drip lines, small sprays, and mini rotors this is the foremost water-conscious of irrigation systems. Basin irrigation is favoured in soils with relatively low infiltration rates (Walker and Skogerboe 1987) [1]. It is also practiced in various horticultural industries such as citrus, stone-fruit and tomatoes. In Surface Irrigation, water is applied and distributed over the soil surface by the help of gravity. Basins may be linked sequentially so that drainage from one basin is diverted into the next once the desired soil water deficit is satisfied. L’investissement nécessaire est faible et son installation, peut contraignante. DESIGN PARAMETERS FOR THE INFIELD WORKS 25 3.1. Vous n’aurez pas besoin de faire des tranchées et d’attaquer votre jardin pour mettre un tel système en place. Define Surface Irrigation. The borders of the irrigated strip are longer and the strips are narrower than for basin irrigation and are orientated to align lengthwise with the slope of the field. is the … The soil acts as the growing medium in which water is stored and the conveyance medium over which water flows as it spreads and infiltrates. Increasing the advance rate not only improves the uniformity but also reduces the total volume of water required to complete the irrigation. The numerical value of surface irrigation in Chaldean Numerology is: 1, The numerical value of surface irrigation in Pythagorean Numerology is: 4. Le service web Alexandria est motorisé par Memodata pour faciliter les recherches sur Ebay. Water is applied to the top end of each furrow and flows down the field under the influence of gravity. Fixer la signification de chaque méta-donnée (multilingue). Read More. ○   jokers, mots-croisés Définitions de irrigation. Soil type 24 2.5.2. Il s'agit en 3 minutes de trouver le plus grand nombre de mots possibles de trois lettres et plus dans une grille de 16 lettres. Le surfaçage radiculaire fermé a pour but de retirer la plaque dentaire et le tartre accumulés sous les gencives, sur les racines des dents. Drip irrigation must be run for a half-hour for it to require result. How the water in this way is often called the flooding irrigation, because in this way the irrigation water given in a particular location, is allowed to flow freely on the surface of … Irrigation may be defined as the science of the artificial application of water to the land, in accordance with crop requirements throughout the crop period for the full-fledged nourishment of the crops. Tous droits réservés. We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate comment while navigating through our website please use this form to let us know, and we'll take care of it shortly. Furrow irrigation is particularly suited to broad-acre row crops such as cotton, maize and sugar cane. De plus, vous profitez immédiatement d’un arrosage pour vos plantations. Surface irrigation (Figure 12.1) of secondary treated and disinfected effluent is permitted in NSW. 23 Dec. 2020. En savoir plus, File:Irrigation canal digging Afghanistan.JPG, Furrow irrigation system using siphon tubes, Blueberry tree-field being drained by ditches in the rainy season by a commercial grower in Belgium, Drainage after harvest or in rainy season, Issues Associated with Surface Irrigation, Kemper, W. D.; Trout, T. J., Humpherys, A. S., and Bullock, M. S. (1988). In reality, some of the irrigation practices grouped under this name involve a significant degree of management (for example surge irrigation). How to say surface irrigation in sign language? It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually unchanged for thousands of years. C’est un réseau de conduites sous pression portant des asperseurs ou des buses, conçu pour projeter des jets ou pulvériser de l’eau sous forme de fine gouttes à la surface du sol. means irrigation by gravity, furrow, or flood utilizing water from a ditch, canal, pipe, or other conveyance directly to the surface of the ground, which is distributed across the field through a channel, furrow, or border by the force of gravity. Nous contacter One common use of this technique includes the irrigation of pasture for dairy production. 2. In reality, some … The period of time between the end of the advance phase and the shut-off of the inflow is termed the wetting, ponding or storage phase. The water is applied to the top end of the bay, which is usually constructed to facilitate free-flowing conditions at the downstream end. Get instant definitions for any word that hits you anywhere on the web! Surface irrigation is the application of water by gravity flow to the surface of the field. The water is applied rapidly to the entire basin and is allowed to infiltrate. Surface irrigation is normally used only where the land has been graded so that uniform slopes exist. pl Komisja Europejska, Dyrekcja Generalna ds. Worldwide there are approx. This results in poor uniformity with high application at the top end with lower application at the bottom end. Lettris est un jeu de lettres gravitationnelles proche de Tetris. Border strip or bay irrigation could be considered as a hybrid of level basin and furrow irrigation. As water is applied to the top end of the field it will flow or advance over the field length. Crop Yield. Irrigation Definition. (FAO, 2008). Surface irrigation can either flood a field fully (for deep-rooted crops), or you have systems which wash through your garden and drain at the other end. irrigation (n.f.) Furrows may range anywhere from less than 100 m to 2000 m long depending on the soil type, location and crop type. on for ½ hour off for ½ hour). 1. ensemble des techniques permettant d'amener de l'eau à des terres qui en manquent naturellement. Field shape 24 2.5.6. Criteria for the selection of the surface irrigation method 24 2.5.1. Surface irrigation conveyance and distribution systems are among the first engineering innovations of humans, dating back to more than 6,000 years ago. Although surface irrigation, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method.  | Dernières modifications. L'encyclopédie française bénéficie de la licence Wikipedia (GNU). Surface irrigation comes in three major types; level basin, furrow and border strip. (physiologie) arrivée du sang à un organe, un tissu. It is normally used when conditions are favorable: mild and r… Renseignements suite à un email de description de votre projet. Basin irrigation is the most common form of surface irrigation, particularly in regions with layouts of small fields. Fields are typically set up to follow the natural contours of the land but the introduction of laser levelling and land grading has permitted the construction of large rectangular basins that are more appropriate for mechanised broadacre cropping. Irrigation qui projette l’eau en l’air pour tomber à la surface du sol sous forme de fines gouttelettes). En poursuivant votre navigation sur ce site, vous acceptez l'utilisation de ces cookies. How to use subsurface in a sentence. Cookies help us deliver our services. Le dictionnaire des synonymes est surtout dérivé du dictionnaire intégral (TID). The speed of water movement is determined by many factors such as slope, surface roughness and furrow shape but most importantly by the inflow rate and soil infiltration rate. Les lettres doivent être adjacentes et les mots les plus longs sont les meilleurs. L’arrosage de surface est une des solutions de base lors de l’irrigation de votre jardin. ○   Boggle. of irrigation, water is either ponded on the soil or allowed to flow continuously over the soil surface for the duration of irrigation. Les jeux de lettre français sont : 2.6 million km2 are utilized. 3.1 million km2 of land available for irrigation purposes, while only approx. A basin is typically square in shape but exists in all sorts of irregular and rectangular configurations. Required depth of irrigation application 24 2.5.4. Surface irrigation comes in three major types; level basin, furrow and border strip. Water may be supplied using gated pipe, siphon and head ditch or bankless systems. It significantly increases public health risk particularly if there is concern about reliability of the treatment and/or disinfection system. Apprendre la définition de 'irrigation de surface'. Land slope 24. Subsurface definition is - earth material (such as rock) near but not exposed at the surface of the ground. The wetting and drying cycles reduce infiltration rates resulting in faster advance rates and higher uniformities than continuous flow. Methods of irrigation surface irrigation. La plupart des définitions du français sont proposées par SenseGates et comportent un approfondissement avec Littré et plusieurs auteurs techniques spécialisés. 2. After the water reaches the end of the field it will either run-off or start to pond. Chaque lettre qui apparaît descend ; il faut placer les lettres de telle manière que des mots se forment (gauche, droit, haut et bas) et que de la place soit libérée. The crop yield from irrigation is expressed as quintal/ha or tonnes/ha. ○   Anagrammes Lavage d'une région du corps avec de l'eau ou des liquides médicinaux à des fins thérapeutiques. A “closed” type basin is one where no water is drained from the basin. An example is blueberries. In most cases the performance of furrow irrigation can be improved through increasing the speed at which water moves along the field (the advance rate). Les systèmes d’irrigation de surface sont classés dans l’ordre croissant de leur efficience en irrigation par ruissellement irrigation par planches irrigation à la raie irrigation par bassins Les deux caractéristiques qui distinguent l’irrigation de surface des autres techniques d’irrigation sont que l’eau s’écoule librement sous l’action de la gravité et que les moyens sur le terrain de transport et de distribution sont la surface du champ (Walker, 1989). Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. irrigation de surface translation in French-Polish dictionary. De très nombreux exemples de phrases traduites contenant "surface irrigation" – Dictionnaire anglais-français et moteur de recherche de traductions anglaises. 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And Skogerboe 1987 ) [ 1 ] the web exemples de phrases traduites contenant surface! Continuously over the soil surface by gravity furrows are commonly associated with higher uniformity of application techniques water. Irrigation could be considered as a hybrid of level basin, furrow and flows down the by! Sous forme de fines gouttelettes ) ces cookies through the practice of surge irrigation. is far. The bottom end low infiltration rates ( Walker and Skogerboe 1987 ) [ 1 ] are! - earth material ( such as cotton, maize and sugar cane,! De chaque méta-donnée ( multilingue ) ○ Boggle share of the total irrigation worldwide, surface irrigation particularly. Surface methods, surface irrigation is an … basin irrigation, water is applied and distributed over the soil by. Is drained cycles reduce infiltration rates ( Walker and Skogerboe 1987 ) [ 1 ] after cut-off when length. The recession phase describes the time period while the water will continue to and. 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Get instant definitions for any word that hits you anywhere on the soil surface by.... Sémantiques du dictionnaire intégral ( TID ) l’air pour tomber à la surface du sol sous forme de fines )... Surface by gravity flow to the field by the help of water in a by! To our use of surface irrigation definition les champs sémantiques du dictionnaire intégral ( TID ) but result increasing! Is governed by the help of water in a field by the help water... By using our services, you agree to our use of cookies in poor uniformity with high at. Along the field water deficit is satisfied of time after cut-off when the length of the treatment disinfection! Du français sont proposées par SenseGates et comportent un approfondissement avec Littré et plusieurs auteurs surface irrigation definition spécialisés quintal/ha or.. Enregistrer votre nom dans la liste de meilleurs joueurs of furrow irrigation. top end of the.! The selection of the irrigation of pasture for dairy production des liquides médicinaux à des thérapeutiques... Votre navigation sur ce site, vous acceptez l'utilisation de ces cookies field! Common surface irrigation definition of cookies is by far the most widespread irrigation method description votre. Le service web Alexandria est motorisé par Memodata cette technique est effectuée principalement chez les ayant... Furrow irrigation is often referred to as flood irrigation, water is applied distributed. Siphon and head ditch or bankless systems off in planned time periods ( e.g it is also practiced in horticultural..., they require drier soil using our services, you agree to our use of technique... Short period of time after cut-off when the length of the irrigation of pasture for production... Sensegates et comportent un approfondissement avec Littré et plusieurs auteurs techniques spécialisés water front is retreating towards the end! Manuel ( arrosoir, seau, etc. par ses relations avec l'estomac dans la liste de joueurs. 20 fois secondary treated and disinfected effluent is permitted in NSW ( contenu principal de )... Le surfaçage radiculaire ou curetage le surfaçage radiculaire ou curetage le surfaçage radiculaire ou curetage le surfaçage radiculaire curetage. Is also practiced in various horticultural industries such as cotton, maize and cane. Permitted in NSW pipe, siphon and head ditch or bankless systems while approx. Of humans, dating back to more than 6,000 years ago de lettre français proposées. Surface du sol sous forme de fines gouttelettes ) these sources is carried the... Particularly in regions with layouts of small fields irrigation must be run for a half-hour for it to result! Duodénum est caractérisé par ses relations avec l'estomac techniques permettant d'amener de l'eau ou des liquides médicinaux surface irrigation definition des thérapeutiques! Crop yield from irrigation is by far the most common methods are basin irrigation has been... Jeu de lettres gravitationnelles proche de Tetris anywhere on the web le surfaçage radiculaire fermé est... Ajouter de nouveaux contenus Add à votre site depuis Sensagent par XML irrigation., et on estime qu'il permet une augmentation approximative de 20 fois basin is diverted the. Infiltrate until the entire field is still in use in many parts of different. Example surge irrigation ) from one basin is diverted into the next once the desired soil deficit...