infiltration irrigation

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• Infiltration (hydrology) — Infiltration is the process by which water on the ground surface enters the soil. Infiltration rate in soil science is a measure of the rate at which soil is able to absorb rainfall or irrigation. It is measured in inches per hour or millimeters… …   Wikipedia

• infiltration — [ ɛ̃filtrasjɔ̃ ] n. f. • v. 1370; de infiltrer 1 ♦ Action de s infiltrer. L infiltration des eaux de pluie dans le sol, à travers qqch. Spécialt Pénétration accidentelle d eau dans un mur, une paroi. Traces d infiltration. 2 ♦ Méd. Accumulation… …   Encyclopédie Universelle

• irrigation — [ irigasjɔ̃ ] n. f. • XVe; lat. irrigatio 1 ♦ Méd. Action de faire couler de l eau (sur une partie malade, une plaie). 2 ♦ (1764) Cour. Arrosement artificiel des terres en déviant les eaux douces (⇒ arrosage). Canaux, rigoles d irrigation.… …   Encyclopédie Universelle

• Irrigation scheduling — is the process used by irrigation system managers to determine the correct frequency and duration of watering. The following factors may be taken into consideration: * Precipitation rate of the irrigation equipment how quickly the water is… …   Wikipedia

• Irrigation — L’irrigation est l opération consistant à apporter artificiellement de l’eau à des végétaux cultivés pour en augmenter la production, et permettre leur développement normal en cas de déficit d eau induit par un déficit pluviométrique, un drainage …   Wikipédia en Français

• Surface irrigation — is defined as the group of application techniques where water is applied and distributed over the soil surface by gravity. It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually… …   Wikipedia

• EAU - L’eau en agriculture — L’étude du problème de l’eau en agriculture présente un double intérêt. En premier lieu, l’eau est un facteur essentiel de la production. Il est donc nécessaire de prévoir les besoins des plantes d’une manière globale et la façon dont elles… …   Encyclopédie Universelle

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

• Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …   Wikipedia

• Drainage system (agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production. Contents 1 Classification 1.1 Surface drainage systems 1.2 Subsurface drainage systems …   Wikipedia