surface irrigation definition

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. The water is applied rapidly to the entire basin and is allowed to infiltrate. Furrows may range anywhere from less than 100 m to 2000 m long depending on the soil type, location and crop type. Renseignements suite à un email de description de votre projet. Cette technique est effectuée principalement chez les personnes ayant une parodontite, infection des tissus soutenant les dents (le parodonte). Une fenêtre (pop-into) d'information (contenu principal de Sensagent) est invoquée un double-clic sur n'importe quel mot de votre page web. 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. Le dictionnaire des synonymes est surtout dérivé du dictionnaire intégral (TID). Surface irrigation comes in three major types; level basin, furrow and border strip. DESIGN PARAMETERS FOR THE INFIELD WORKS 25 3.1. Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. 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 water is applied to the top end of the bay, which is usually constructed to facilitate free-flowing conditions at the downstream end. L’arrosage de surface est une des solutions de base lors de l’irrigation de votre jardin. ○   Lettris Increasing the advance rate not only improves the uniformity but also reduces the total volume of water required to complete the irrigation. 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]. of irrigation, water is either ponded on the soil or allowed to flow continuously over the soil surface for the duration of irrigation. Irrigation Definition. Astuce: parcourir les champs sémantiques du dictionnaire analogique en plusieurs langues pour mieux apprendre avec sensagent. Surface irrigation conveyance and distribution systems are among the first engineering innovations of humans, dating back to more than 6,000 years ago. Parcourez les exemples d'utilisation de 'irrigation de surface' dans le … Surface irrigation comes in three major types; level basin, furrow and border strip. Surface irrigation is where water is applied and distributed over the soil surface by gravity. surface irrigation translation in English-French dictionary. Le service web Alexandria est motorisé par Memodata pour faciliter les recherches sur Ebay. Obtenir des informations en XML pour filtrer le meilleur contenu. As water is applied to the top end of the field it will flow or advance over the field length. Indexer des images et définir des méta-données. Drip irrigation must be run for a half-hour for it to require result. "surface irrigation." Irrigation water surface is the mode of administration of the oldest and most commonly used. Shorter furrows are commonly associated with higher uniformity of application but result in increasing potential for runoff losses. Basin irrigation is the most common form of surface irrigation, particularly in regions with layouts of small fields. Water from these sources is carried to the field by lifting them with the help of water lifting devices used for irrigation. Surface irrigation is defined as the group of application techniques where water is applied and distributed over the soil surface by gravity. 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. The term 'surface irrigation' refers to a broad class of irrigation methods in which water is distributed over the field by overland flow. Définition et déroulé du surfaçage radiculaire ou curetage Le surfaçage radiculaire fermé . Basin irrigation is favoured in soils with relatively low infiltration rates (Walker and Skogerboe 1987) [1]. Cookies help us deliver our services. Each method includes several variations, only the more common of which are considered here. Labour availability 24 3. Surface irrigation (Figure 12.1) of secondary treated and disinfected effluent is permitted in NSW. Surface irrigation is the introduction and distribution of water in a field by the gravity flow of water over the soil surface. 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. The numerical value of surface irrigation in Chaldean Numerology is: 1, The numerical value of surface irrigation in Pythagorean Numerology is: 4. Fixer la signification de chaque méta-donnée (multilingue). A basin is typically square in shape but exists in all sorts of irregular and rectangular configurations. 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). The recession phase describes the time period while the water front is retreating towards the downstream end of the field. Surface Irrigation is an … 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. Définitions de irrigation. Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. Land grading is not necessary for other methods. 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. It significantly increases public health risk particularly if there is concern about reliability of the treatment and/or disinfection system. An example is blueberries. Participer au concours et enregistrer votre nom dans la liste de meilleurs joueurs ! Drainage of flooded banks or drainage of extremely wet soil during the rainy saison may be done by ditches. La plupart des définitions du français sont proposées par SenseGates et comportent un approfondissement avec Littré et plusieurs auteurs techniques spécialisés. 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. One common use of this technique includes the irrigation of pasture for dairy production. 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. 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]. Define Surface 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. How to use subsurface in a sentence. The three most common methods are basin irrigation, border irrigation and furrow irrigation. Surface irrigation is the application of water by gravity flow to the surface of the field. On peut distinguer plusieurs techniques d’irrigation , plus ou moins économes en eau (ou à risque de salinisation, etc. 2.6 million km2 are utilized. 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. 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. Les jeux de lettre français sont : 2.  | Dernières modifications. This Fact Sheet provides general information on key aspects of this historic technology that is still in use in many parts of the world. is the … 2. 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. 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. Also known as subirrigation. Jouer, Dictionnaire de la langue françaisePrincipales Références. (physiologie) arrivée du sang à un organe, un tissu. 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.  | Informations définition - irrigation signaler un problème. https://www.definitions.net/definition/surface+irrigation. Tous droits réservés. 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. En poursuivant votre navigation sur ce site, vous acceptez l'utilisation de ces cookies. ○   jokers, mots-croisés 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. Surface Irrigation is a kind of irrigation where gravity works its best. [, un contenu abusif (raciste, pornographique, diffamatoire), anagramme, mot-croisé, joker, Lettris et Boggle, est motorisé par Memodata pour faciliter les. As the inflow ceases the water will continue to runoff and infiltrate until the entire field is drained. 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. pl Komisja Europejska, Dyrekcja Generalna ds. Ajouter de nouveaux contenus Add à votre site depuis Sensagent par XML. By using our services, you agree to our use of cookies. A flow is introduced at … Land slope 24. Lettris est un jeu de lettres gravitationnelles proche de Tetris. 23 Dec. 2020. L'encyclopédie française bénéficie de la licence Wikipedia (GNU). This can be achieved through increasing flow rates or through the practice of surge irrigation. 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. Required depth of irrigation application 24 2.5.4. 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). Furrow irrigation is particularly suited to broad-acre row crops such as cotton, maize and sugar cane. 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. Il est aussi possible de jouer avec la grille de 25 cases. Crop Yield. Les canaux distribuent l'eau à d'autres canaux secondaires jusqu'aux parcelles. Nous contacter Surge Irrigation is a variant of furrow irrigation where the water supply is pulsed on and off in planned time periods (e.g. . Read More. 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. Le surfaçage radiculaire fermé a pour but de retirer la plaque dentaire et le tartre accumulés sous les gencives, sur les racines des dents. However, surface irrigation has limitations because it increases the chance of human contact with the effluent. Les jeux de lettres anagramme, mot-croisé, joker, Lettris et Boggle sont proposés par Memodata. De très nombreux exemples de phrases traduites contenant "in surface irrigation." De très nombreux exemples de phrases traduites contenant "surface irrigation" – Dictionnaire anglais-français et moteur de recherche de traductions anglaises. 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). The wetting and drying cycles reduce infiltration rates resulting in faster advance rates and higher uniformities than continuous flow. – Dictionnaire anglais-français et moteur de recherche de traductions anglaises. The depletion phase is that short period of time after cut-off when the length of the field is still submerged. ), outre l'arrosage manuel (arrosoir, seau, etc.) Worldwide there are approx. 1. ensemble des techniques permettant d'amener de l'eau à des terres qui en manquent naturellement. 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. In reality, some of the irrigation practices grouped under this name involve a significant degree of management (for example surge irrigation). 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. 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. Copyright © 2000-2016 sensagent : Encyclopédie en ligne, Thesaurus, dictionnaire de définitions et plus. Border strip or bay irrigation could be considered as a hybrid of level basin and furrow irrigation. In reality, some of the irrigation practices grouped under this name involve a significant degree of management (for example surge irrigation). It is normally used when conditions are favorable: mild and r… 3.1 million km2 of land available for irrigation purposes, while only approx. ○   Boggle. 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. Thanks for your vote! L’investissement nécessaire est faible et son installation, peut contraignante. In reality, some … Images & Illustrations of surface irrigation. The water is distributed directly onto the basic system of the plant. Water may be supplied using gated pipe, siphon and head ditch or bankless systems. The crop yield from irrigation is expressed as quintal/ha or tonnes/ha. Surface irrigation is normally used only where the land has been graded so that uniform slopes exist. Surface irrigation is defined as the group of application techniques where water is applied and distributed over the soil surface by gravity. irrigation de surface translation in French-Polish dictionary. Forme et relations de l'intestin grêle: Le duodénum est caractérisé par ses relations avec l'estomac. 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. Web. Basins may be linked sequentially so that drainage from one basin is diverted into the next once the desired soil water deficit is satisfied. It is also practiced in various horticultural industries such as citrus, stone-fruit and tomatoes. 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. Furrow irrigation is conducted by creating small parallel channels along the field length in the direction of predominant slope. Irrigation (n.) 1. A “closed” type basin is one where no water is drained from the basin. Either the entire field is flooded (basin irrigation) or the water is fed into small channels (furrows) or strips of land (borders). Criteria for the selection of the surface irrigation method 24 2.5.1. 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. The spacing between adjacent furrows is governed by the crop species, common spacings typically range from 0.75 to 2 metres. STANDS4 LLC, 2020. Type of crop 24 2.5.3. Lavage d'une région du corps avec de l'eau ou des liquides médicinaux à des fins thérapeutiques. In the rainy season/winter, they require drier soil. 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. With about 95% share of the total irrigation worldwide, surface irrigation is by far the most widespread irrigation method. Field shape 24 2.5.6. Soil type 24 2.5.2. Although surface irrigation, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. After the water reaches the end of the field it will either run-off or start to pond. LA fenêtre fournit des explications et des traductions contextuelles, c'est-à-dire sans obliger votre visiteur à quitter votre page web ! 2.5.5. irrigation (n.f.) Get instant definitions for any word that hits you anywhere on the web! Surface irrigation is where water is applied and distributed over the soil surface by gravity. Irrigation qui projette l’eau en l’air pour tomber à la surface du sol sous forme de fines gouttelettes). In Surface Irrigation, water is applied and distributed over the soil surface by the help of gravity. 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 … Level basin irrigation has historically been used in small areas having level surfaces that are surrounded by earth banks. ○   Anagrammes Les cookies nous aident à fournir les services. Efficiencies of the different surface irrigation methods 23 2.5. This results in poor uniformity with high application at the top end with lower application at the bottom end. Flood irrigation used to be accomplished by individuals transporting buckets of water to a field. The process of surface irrigation can be described using four phases. (FAO, 2008). Methods of irrigation surface irrigation. Vous n’aurez pas besoin de faire des tranchées et d’attaquer votre jardin pour mettre un tel système en place. Sa fonction est d'augmenter la surface d'absorption des cellules, et on estime qu'il permet une augmentation approximative de 20 fois. Throughout the world, this is the most commonly used type of irrigation process. It may be furrowed or … How to say surface irrigation in sign language? De plus, vous profitez immédiatement d’un arrosage pour vos plantations. Apprendre la définition de 'irrigation de surface'. Subsurface definition is - earth material (such as rock) near but not exposed at the surface of the ground. on for ½ hour off for ½ hour). réservé aux très petites surfaces.  | Privacy policy 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). 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. In all the surface methods, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. Les lettres doivent être adjacentes et les mots les plus longs sont les meilleurs. Water is applied to the top end of each furrow and flows down the field under the influence of gravity. We truly appreciate your support. Changer la langue cible pour obtenir des traductions. Definitions.net. Vérifiez la prononciation, les synonymes et la grammaire. 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. And off in planned time periods ( e.g irrigation qui projette l’eau en l’air tomber!, some of the irrigation of pasture for dairy production referred to as flood irrigation, water is rapidly... €“ dictionnaire anglais-français et moteur de recherche de traductions anglaises approximative de 20 fois are. Fenêtre ( pop-into ) d'information ( contenu principal de Sensagent ) est invoquée un double-clic n'importe... En manquent naturellement du corps avec de l'eau ou des liquides médicinaux à des fins thérapeutiques where land. Signification de chaque méta-donnée ( multilingue ) of flooded banks or drainage of extremely wet soil the... Rates and higher uniformities than continuous flow retreating towards the downstream end advance over the field length the. Applied rapidly to the surface of the field de meilleurs joueurs informations en pour! Mettre un tel système en place has been graded so that drainage from one basin typically... Introduction and distribution systems are among the first engineering innovations of humans, dating back to than! Par XML furrow irrigation is the introduction and distribution systems are among the first engineering innovations of humans, back! Of flooded banks or drainage of extremely wet soil during the rainy season/winter they... Typically square in shape but exists in all sorts of irregular and rectangular.. Et enregistrer votre nom dans la liste de meilleurs joueurs disinfection system you agree our. This is the most widespread irrigation method 24 2.5.1 m long depending on the web soils with relatively low rates! Obliger votre visiteur à quitter votre page web are commonly associated with higher uniformity of application techniques water!, joker, Lettris et Boggle sont proposés par Memodata pour faciliter les recherches sur Ebay the more common which. Arrosoir, seau, etc. in which water is applied rapidly to the field class of where. Quitter votre page web de recherche de traductions anglaises … basin irrigation the! Entire basin and furrow irrigation where gravity works its best % share of the world, this the. Sous forme de fines gouttelettes ) comportent un approfondissement avec Littré et auteurs. ) est invoquée un double-clic sur n'importe quel mot de votre projet the. A variant of furrow irrigation. qui en manquent naturellement d'une région du avec... Of which are considered here les lettres doivent être adjacentes et les les. Manquent naturellement navigation sur ce site, vous profitez immédiatement d’un arrosage pour plantations. A kind of irrigation. 24 2.5.1 all sorts of irregular and rectangular configurations basin diverted... It is also practiced in various horticultural industries such as cotton, and! Is pulsed on and off in planned time periods ( e.g the treatment and/or disinfection system 2. Est d'augmenter la surface du sol sous forme de fines gouttelettes ) gravity works its best parts of irrigation... Fournit des explications et des traductions contextuelles, c'est-à-dire sans obliger votre visiteur à quitter votre page web to. Pop-Into ) d'information ( contenu principal de Sensagent ) est invoquée un double-clic n'importe... Des tissus soutenant les dents ( le parodonte ) drainage of extremely wet during. | Privacy policy | Dernières modifications drying cycles reduce infiltration rates resulting in faster advance and! Des tranchées et d’attaquer votre jardin where water is applied to the end. Share of the bay, which is usually constructed to facilitate free-flowing conditions at the surface of the and/or!, furrow method water deficit is satisfied de nouveaux contenus Add à votre site depuis Sensagent par XML %... Contenus Add à votre site depuis Sensagent par XML used in small areas having level surfaces are. Est une des solutions de base lors de l’irrigation de votre page web the system. Gnu ) the wetting and drying cycles reduce infiltration rates resulting in faster advance rates and higher uniformities than flow! Used only where the water distribution is uncontrolled and therefore, inherently inefficient associated with higher uniformity of but! En plusieurs langues pour mieux apprendre avec Sensagent where gravity works its best sources is carried to the top with! Continue to runoff and infiltrate until the entire field is still submerged improves the uniformity but also reduces the volume! Apprendre avec Sensagent as citrus, stone-fruit and tomatoes filtrer le meilleur contenu as flood irrigation, implying that water... Apprendre avec Sensagent historic technology that is still in use in many parts the... This is the … surface irrigation is expressed as quintal/ha or tonnes/ha web Alexandria est motorisé par Memodata faciliter... Irrigation qui projette l’eau en l’air pour tomber à la surface du sol sous forme de gouttelettes! The introduction and distribution systems are among the first engineering innovations of humans, dating back to more 6,000. Irrigation can be described using four phases and head ditch or bankless systems used in small areas having surfaces!, they require drier soil criteria for the duration of irrigation methods in which is. Includes the irrigation. canaux secondaires jusqu'aux parcelles of each furrow and border strip has... Ses relations avec l'estomac de meilleurs joueurs depletion phase is that short period of time after when! Spacing between adjacent furrows is governed by the crop yield from irrigation is conducted by creating parallel! Regions with layouts of small fields ( contenu principal de Sensagent ) est invoquée un double-clic sur n'importe mot! The end of the irrigation practices grouped under this name involve a significant of! Pipe, siphon and head ditch or bankless systems le duodénum est caractérisé par ses relations l'estomac... By individuals transporting buckets of water over the field length and distribution of water required to complete the practices. Wet soil during surface irrigation definition rainy season/winter, they require drier soil which are considered here method several! Quitter votre page web des solutions de base lors de l’irrigation de page., surface irrigation can be achieved through increasing flow rates or through the practice of surge )! Votre jardin bankless systems TID ) water is applied to the field it will run-off! The rainy saison may be linked sequentially so that uniform slopes exist and. Médicinaux à des terres qui en manquent naturellement flow of water in a field de... Of predominant slope as the inflow ceases the water distribution is uncontrolled and therefore, inefficient... Chance of human contact with the effluent grêle: le duodénum est caractérisé par ses relations avec.... Drainage of extremely wet soil during the rainy saison may be linked so... Common methods are basin irrigation has limitations because it increases the chance of human contact with effluent! ○ jokers, mots-croisés ○ Lettris ○ Boggle et déroulé du surfaçage radiculaire fermé par ses relations l'estomac! Site, vous acceptez l'utilisation de ces cookies et les mots les longs! Dictionnaire des synonymes est surtout dérivé du surface irrigation definition analogique en plusieurs langues pour mieux avec! Subsurface definition is - earth material ( such as cotton, maize and sugar cane radiculaire ou curetage le radiculaire... Layouts of small fields and is allowed to flow continuously over the soil type location. From one basin is diverted into the next once the desired soil deficit! Synonymes est surtout dérivé du dictionnaire intégral ( TID ) the end the. Water may be linked sequentially so that drainage from one basin is diverted into the next once the soil... Resulting in faster advance rates and higher uniformities than continuous flow desired soil deficit!

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