A basin is typically square in shape but exists in all sorts of irregular and rectangular configurations. Jouer, Dictionnaire de la langue françaisePrincipales Références. In reality, some ⦠This Fact Sheet provides general information on key aspects of this historic technology that is still in use in many parts of the world. In reality, some of the irrigation practices grouped under this name involve a significant degree of management (for example surge irrigation). It may be furrowed or ⦠This results in poor uniformity with high application at the top end with lower application at the bottom end. An example is blueberries. of irrigation, water is either ponded on the soil or allowed to flow continuously over the soil surface for the duration of irrigation. Le dictionnaire des synonymes est surtout dérivé du dictionnaire intégral (TID). Each method includes several variations, only the more common of which are considered here. surface irrigation translation in English-French dictionary. Throughout the world, this is the most commonly used type of irrigation process. Furrow irrigation is particularly suited to broad-acre row crops such as cotton, maize and sugar cane. Either the entire field is flooded (basin irrigation) or the water is fed into small channels (furrows) or strips of land (borders). Crop Yield. 2. Surface irrigation is the introduction and distribution of water in a field by the gravity flow of water over the soil surface. 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. Worldwide there are approx. A flow is introduced at ⦠Les canaux distribuent l'eau à d'autres canaux secondaires jusqu'aux parcelles. Une fenêtre (pop-into) d'information (contenu principal de Sensagent) est invoquée un double-clic sur n'importe quel mot de votre page web. Ajouter de nouveaux contenus Add à votre site depuis Sensagent par XML. 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. Nous contacter Land slope 24. Parcourez les exemples d'utilisation de 'irrigation de surface' dans le ⦠23 Dec. 2020. The spacing between adjacent furrows is governed by the crop species, common spacings typically range from 0.75 to 2 metres. Apprendre la définition de 'irrigation de surface'. irrigation (n.f.) 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). Flood irrigation used to be accomplished by individuals transporting buckets of water to a field. Web. Il est aussi possible de jouer avec la grille de 25 cases. Copyright © 2000-2016 sensagent : Encyclopédie en ligne, Thesaurus, dictionnaire de définitions et plus. 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. LA fenêtre fournit des explications et des traductions contextuelles, c'est-à-dire sans obliger votre visiteur à quitter votre page web ! https://www.definitions.net/definition/surface+irrigation. Les cookies nous aident à fournir les services. Get instant definitions for any word that hits you anywhere on the web! Surface irrigation is the application of water by gravity flow to the surface of the field. 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. STANDS4 LLC, 2020. définition - irrigation signaler un problème. Surface irrigation conveyance and distribution systems are among the first engineering innovations of humans, dating back to more than 6,000 years ago. 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). The water is applied to the top end of the bay, which is usually constructed to facilitate free-flowing conditions at the downstream end. Required depth of irrigation application 24 2.5.4. Efficiencies of the different surface irrigation methods 23 2.5. Les systèmes dâirrigation de surface sont classés dans lâordre croissant de leur efficience en irrigation par ruissellement irrigation par planches irrigation à la raie irrigation par bassins Les deux caractéristiques qui distinguent lâirrigation de surface des autres techniques dâirrigation sont que lâeau sâécoule librement sous lâaction de la gravité et que les moyens sur le terrain de transport et de distribution sont la surface du champ (Walker, 1989). La plupart des définitions du français sont proposées par SenseGates et comportent un approfondissement avec Littré et plusieurs auteurs techniques spécialisés. The water is distributed directly onto the basic system of the plant. Criteria for the selection of the surface irrigation method 24 2.5.1. De très nombreux exemples de phrases traduites contenant "in surface 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. Methods of irrigation surface irrigation. Surface irrigation is normally used only where the land has been graded so that uniform slopes exist. Obtenir des informations en XML pour filtrer le meilleur contenu. The numerical value of surface irrigation in Chaldean Numerology is: 1, The numerical value of surface irrigation in Pythagorean Numerology is: 4. Soil type 24 2.5.2. 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.
. Sa fonction est d'augmenter la surface d'absorption des cellules, et on estime qu'il permet une augmentation approximative de 20 fois. The wetting and drying cycles reduce infiltration rates resulting in faster advance rates and higher uniformities than continuous flow. De plus, vous profitez immédiatement dâun arrosage pour vos plantations. 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. 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 ⦠En poursuivant votre navigation sur ce site, vous acceptez l'utilisation de ces cookies. Tous droits réservés. 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. Subsurface definition is - earth material (such as rock) near but not exposed at the surface of the ground. Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. 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. In reality, some of the irrigation practices grouped under this name involve a significant degree of management (for example surge irrigation). ○ jokers, mots-croisés It is also practiced in various horticultural industries such as citrus, stone-fruit and tomatoes. Câest un réseau de conduites sous pression portant des asperseurs ou des buses, conçu pour projeter des jets ou pulvériser de lâeau sous forme de fine gouttes à la surface du sol. 2. The process of surface irrigation can be described using four phases. Indexer des images et définir des méta-données. 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. 2.5.5. Lâinvestissement nécessaire est faible et son installation, peut contraignante. 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]. How to use subsurface in a sentence. shÉn] (agriculture) A method of providing water to plants by raising the water table to the root zone of the crop or by carrying moisture to the root zone by perforated underground pipe. The 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. Surface irrigation (Figure 12.1) of secondary treated and disinfected effluent is permitted in NSW. The recession phase describes the time period while the water front is retreating towards the downstream end of the field. Thanks for your vote! Irrigation water surface is the mode of administration of the oldest and most commonly used. 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. Water is applied to the top end of each furrow and flows down the field under the influence of gravity. By using our services, you agree to our use of cookies. 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. Fixer la signification de chaque méta-donnée (multilingue). Lavage d'une région du corps avec de l'eau ou des liquides médicinaux à des fins thérapeutiques. Although surface irrigation, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. Forme et relations de l'intestin grêle: Le duodénum est caractérisé par ses relations avec l'estomac. is the ⦠Field shape 24 2.5.6. Surge Irrigation is a variant of furrow irrigation where the water supply is pulsed on and off in planned time periods (e.g. Renseignements suite à un email de description de votre projet. Astuce: parcourir les champs sémantiques du dictionnaire analogique en plusieurs langues pour mieux apprendre avec sensagent. â 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. | Informations De très nombreux exemples de phrases traduites contenant "surface irrigation" â Dictionnaire anglais-français et moteur de recherche de traductions anglaises. | Dernières modifications. Lâarrosage de surface est une des solutions de base lors de lâirrigation de votre jardin. 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. However, surface irrigation has limitations because it increases the chance of human contact with the effluent. A “closed” type basin is one where no water is drained from the basin. Surface irrigation is defined as the group of application techniques where water is applied and distributed over the soil surface by gravity. ), outre l'arrosage manuel (arrosoir, seau, etc.) Water may be supplied using gated pipe, siphon and head ditch or bankless systems. Drip irrigation must be run for a half-hour for it to require result. Definitions.net. Vérifiez la prononciation, les synonymes et la grammaire. Irrigation qui projette lâeau en lâair pour tomber à la surface du sol sous forme de fines gouttelettes). In Surface Irrigation, water is applied and distributed over the soil surface by the help of gravity. Le surfaçage radiculaire fermé a pour but de retirer la plaque dentaire et le tartre accumulés sous les gencives, sur les racines des dents. Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. Also known as subirrigation. On peut distinguer plusieurs techniques dâirrigation , plus ou moins économes en eau (ou à risque de salinisation, etc. L'encyclopédie française bénéficie de la licence Wikipedia (GNU). Surface irrigation is defined as the group of application techniques where water is applied and distributed over the soil surface by gravity. 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). Furrow irrigation is conducted by creating small parallel channels along the field length in the direction of predominant slope. 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. In all the surface methods, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. DESIGN PARAMETERS FOR THE INFIELD WORKS 25 3.1. Labour availability 24 3. Les jeux de lettre français sont : 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. 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Level basin irrigation, border irrigation and furrow irrigation where the land has been graded that... Une fenêtre ( pop-into ) d'information ( contenu principal de Sensagent ) est invoquée un sur... The chance of human contact with the help of water to a.! % share of the bay, which is usually constructed to facilitate free-flowing conditions at the bottom end en langues! NâAurez pas besoin de faire des tranchées et dâattaquer votre jardin en manquent naturellement navigation sur ce site, profitez... Poursuivant votre navigation sur ce site, vous profitez immédiatement dâun arrosage pour vos plantations only the common... Get instant definitions for any word that hits you anywhere on the soil surface by gravity est la... Drying cycles reduce infiltration rates ( Walker and Skogerboe 1987 ) [ 1.. Methods, surface irrigation is where water is either ponded on the!... % share of the irrigation practices grouped under this name involve a significant of. 0.75 to 2 metres degree of management ( for example surge irrigation. surtout. De jouer avec la grille de 25 cases furrows is governed by the crop species, common spacings typically from. Enregistrer votre nom dans la liste de meilleurs joueurs the inflow ceases the is... To a field all the surface of the irrigation of pasture for dairy production ( le parodonte ) to... Irrigation qui projette lâeau en lâair pour tomber à la surface d'absorption des cellules, et on estime permet... But also reduces the total volume of water required to complete the of. Been used in small areas having level surfaces that are surrounded by earth banks or bay irrigation could be as! Champs sémantiques du dictionnaire intégral ( TID ) synonymes et la grammaire still in use in many parts the! Been graded so that drainage from one basin is diverted into the next once the desired soil water deficit satisfied! ( TID ) total volume of water in a field four phases rate not only improves the uniformity but reduces! Rates and higher uniformities than continuous flow, dictionnaire de définitions et plus ( GNU ) the ⦠surface is! For a half-hour for it to require result irrigation could be considered as a hybrid of level basin and allowed! Ditch or bankless systems be achieved through increasing flow rates or through the practice of surge irrigation is referred..., surface irrigation, surface irrigation is favoured in soils with relatively low infiltration rates ( Walker and 1987. Sorts of irregular and rectangular configurations rainy saison may be furrowed or ⦠surface irrigation ( 12.1. La liste de meilleurs joueurs key aspects of this historic technology that is still in use in many of! This historic technology that is still submerged ses relations avec l'estomac sont proposés par Memodata de chaque (. Soil water deficit is satisfied the desired soil water deficit is satisfied the... Adjacentes et les mots les plus longs sont les meilleurs explications et traductions! Sensegates et comportent un approfondissement avec Littré et plusieurs auteurs techniques spécialisés irrigation conveyance and of! At the surface of the surface methods, surface irrigation comes in three major types ; basin... De lâirrigation de votre jardin comes in three major types ; level basin irrigation, surface irrigation is â¦. Practiced in various horticultural industries such as citrus, stone-fruit and tomatoes apprendre avec Sensagent de très exemples... From one basin is typically square in shape but exists in all sorts of and! Outre l'arrosage manuel ( arrosoir, seau, etc. world, this is most! Rates resulting in faster advance rates and higher uniformities than continuous flow satisfied... Meilleur contenu can be described using four phases Memodata pour faciliter les recherches sur Ebay by ditches c'est-à-dire obliger... ( contenu principal de Sensagent ) est invoquée un double-clic sur n'importe quel mot de votre page!. Curetage le surfaçage radiculaire fermé arrosoir, seau, etc. supply is pulsed and! Fournit des explications et des traductions contextuelles, c'est-à-dire sans obliger votre visiteur à quitter page... Crop yield from irrigation is a variant of furrow irrigation where the water reaches the end the! Du français sont: ○ Anagrammes ○ jokers, mots-croisés ○ Lettris ○....
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