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Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… … Wikipedia
влагоемкость торфа — Ндп. водоудерживающая способность торфа Способность торфа удерживать определенное количество воды после избыточного увлажнения. [ГОСТ 21123 85] Недопустимые, нерекомендуемые водоудерживающая способность торфа Тематики торф Обобщающие термины… … Справочник технического переводчика
Compost tea — Compost tea, a liquid solution or suspension made by steeping compost in water. It is used as both a fertilizer and in attempts to prevent plant diseases. [Zhang, W., Han, D. Y., Dick, W. A., Davis, K. R., and Hoitink, H. A. J. 1998. Compost and… … Wikipedia
Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock … Wikipedia
Hydroponics — (from the Greek words hydro (water) and ponos (labour) is a method of growing plants using mineral nutrient solutions, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium,… … Wikipedia
Humic acid — is one of the major components of humic substances [http://www.ihss.gatech.edu/whatarehs.html] which are dark brown and major constituents of soil organic matter humus that contributes to soil chemical and physical quality and are also precursors … Wikipedia
Ecosystem — An ecosystem is a natural unit consisting of all plants, animals and micro organisms(biotic factors) in an area functioning together with all of the non living physical (abiotic) factors of the environment.Christopherson, RW (1996) Geosystems: An … Wikipedia
Wetland — For other uses, see Wetland (disambiguation). The Florida Everglades massive wetland system in the United States saw 1.7 billion gallons of fresh water flushed from it daily and pumped into the ocean following one of the most successive water… … 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
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
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
