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