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nutrient material

См. также в других словарях:

  • Nutrient pollution — caused by runoff of soil and fertilizer during a rain storm Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrient. It is a primary cause of eutrophication of surface waters, in which excess… …   Wikipedia

  • Nutrient cycle — …   Wikipedia

  • nutrient — A constituent of food necessary for normal physiologic function. [L. nutriens, fr. nutrio, to nourish] essential nutrients nutritional substances required for optimal health. These must be in the diet, because they are not formed metabolically… …   Medical dictionary

  • nutrient — n. a substance that must be consumed as part of the diet to provide a source of energy, material for growth, or substances that regulate growth or energy production. Nutrients include carbohydrates, fats, proteins, minerals, and vitamins. See… …   The new mediacal dictionary

  • Comprehensive nutrient management plan — Comprehensive nutrient management plans (CNMPs) have become an integral part of the regulatory permitting and environmental stewardship for large, and in some cases medium and small, animal feeding operations (AFOs). A CNMP is developed to assist …   Wikipedia

  • Concentrates used as animal feeds (nutrient values on as-fed basis) — ▪ Table Concentrates used as animal feeds (nutrient values on as fed basis)* dry matter total digestible nutrients protein fat crude fibre Cereal grains barley 89.0 73.3 11.5   1.7   5.0 corn, yellow 88.0 78.0   8.0   3.6   2.3 oats 89.0 70.0… …   Universalium

  • Roughages used as animal feeds (nutrient values on as-fed basis) — ▪ Table Roughages used as animal feeds (nutrient values on as fed basis)* dry matter total digestible nutrients protein fat crude fibre Dry (hay) alfalfa hay, midbloom 91.0 52.2 17.0 3.3 25.5 Bermuda grass, late vegetative 91.0 44.6   7.1 2.5… …   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

  • Mineralizer — The purpose of a mineralizer is to facilitate the transport of insoluble “nutrient” to a seed crystal by means of a reversible chemical reaction. Overtime, the seed crystal accumulates the material that was once in the nutrient and grows.… …   Wikipedia

  • Composting — Portalpar|Sustainable development|Sustainable development.svgComposting is the aerobic decomposition of biodegradable organic matter, producing compost. (Or in a simpler form: Composting is the decaying of food, mostly vegetables or manure.) The… …   Wikipedia

  • medium — /mee dee euhm/, n., pl. media / dee euh/ for 1 9, 11, mediums for 1 11, 14, adj. n. 1. a middle state or condition; mean. 2. something intermediate in nature or degree. 3. an intervening substance, as air, through which a force acts or an effect… …   Universalium

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