sludge fertilizers

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• 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

• Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 …   Wikipedia

• 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

• Compost — (  /ˈ …   Wikipedia

• Organic fertilizer — Organic fertilizers are naturally occurring fertilizers (e.g. compost, manure). Naturally occurring organic fertilizers include manure, slurry, worm castings, peat, seaweed, humic acid, and guano. Sewage sludge use in organic agricultural… …   Wikipedia

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

• Organic fashion —    Clothing and accessories can be considered organic when they are made from fibers produced without the use of synthetic chemicals, such as conventional pesticides; without fertilizers made with synthetic ingredients or sewage sludge; and… …   Historical Dictionary of the Fashion Industry

• Biosolids — is a term used by the water treatment industry that refers to treated sludge. Sludge, or biosolids, are the byproduct of the treatment of domestic and commercial wastewater or sewage in a wastewater treatment plant. To create biosolids, these… …   Wikipedia

• Fateful Harvest — Infobox Book name = Fateful Harvest: The True Story of a Small Town, a Global Industry, and a Toxic Secret title orig = translator = image caption = author = Duff Wilson illustrator = cover artist = country = language = series = subject = genre …   Wikipedia

• Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 …   Wikipedia

• Uses of compost — Compost is a versatile product resulting from composting the biodegradation of organic waste, industrially, commercially or domestically produced. The basic use is conditioning and fertilizing soil by the addition of humus, nutrients and… …   Wikipedia