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