surface irrigation definition

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

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