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

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