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aeration drainage

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  • Aeration — is the process by which air is circulated through, mixed with or dissolved in a liquid or substance.Methods of aeration of liquidsAeration of liquids (usually water) is achieved by: * passing the liquid through air by means of fountains, cascades …   Wikipedia

  • Drainage research — is the study of agricultural drainage systems and their effects to arrive at optimal system design. Contents 1 Aspects to be covered 2 Systems analysis 3 Crop response processes 4 …   Wikipedia

  • vegetable farming — Introduction       growing of vegetable crops, primarily for use as human food.       The term vegetable in its broadest sense refers to any kind of plant life or plant product; in the narrower sense, as used in this article, however, it refers… …   Universalium

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

  • agricultural technology — Introduction       application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation       Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …   Universalium

  • SOLS - Propriétés physiques et mécaniques — Du point de vue de ses propriétés physiques et mécaniques, le sol peut être considéré comme un système poreux à trois phases: solide, liquide, gazeuse. Certaines des caractéristiques de ce système sont permanentes; c’est le cas de la constitution …   Encyclopédie Universelle

  • 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

  • Houseplant — A houseplant is a plant that is grown indoors in places such as residences and offices. Houseplants are commonly grown for decorative purposes and health reasons such as indoor air purification. Plants used in this fashion are most commonly,… …   Wikipedia

  • Sand-based athletic fields — are sporting grounds constructed on sand, which have certain advantages over those built on native soils. Highly maintained areas of turf, such as those on an athletic field or on golf greens and tees, can be grown in native soil or sand based… …   Wikipedia

  • Constructed wetland — Vertical Flow type of Constructed Wetlands A constructed wetland or wetpark is an artificial wetland, marsh or swamp created as a new or restored habitat for native and migratory wildlife, for anthropogenic discharge such as wastewater,… …   Wikipedia

  • Summer patch — Scientific classification Kingdom: Fungi Phylum: Ascomycota Subphylum: Pezizomycotina …   Wikipedia

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