major nutrients

См. также в других словарях:

• biosphere — biospheric /buy euh sfer ik/, adj. /buy euh sfear /, n. 1. the part of the earth s crust, waters, and atmosphere that supports life. 2. the ecosystem comprising the entire earth and the living organisms that inhabit it. [1895 1900; < G Biosphäre; …   Universalium

• soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …   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

• microbiology — microbiological /muy kroh buy euh loj i keuhl/, microbiologic, adj. microbiologically, adv. microbiologist, n. /muy kroh buy ol euh jee/, n. the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic… …   Universalium

• Soil test — In agriculture, a soil test is the analysis of a soil sample to determine nutrient content, composition and other characteristics, including contaminants. Tests are usually performed to measure fertility and indicate deficiencies that need to be… …   Wikipedia

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

• Plant nutrition — is the study of the chemical elements that are necessary for plant growth. There are several principles that apply to plant nutrition.Some elements are essential, meaning that the absence of a given mineral element will cause the plant to fail to …   Wikipedia

• Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …   Wikipedia

• Glucagon-like peptide-1 — (GLP 1) is derived from the transcription product of the proglucagon gene. The major source of GLP 1 in the body is the intestinal L cell that secretes GLP 1 as a gut hormone. The biologically active forms of GLP 1 are: GLP 1 (7 37) and GLP 1 (7… …   Wikipedia

• Powdered milk — is a manufactured dairy product made by evaporating milk to dryness. One purpose of drying milk is to preserve it; milk powder has a far longer shelf life than liquid milk and does not need to be refrigerated, due to its low moisture content.… …   Wikipedia

• vegetable processing — Introduction       preparation of vegetables (vegetable) for use by humans as food.       Vegetables consist of a large group of plants consumed as food. Perishable when fresh but able to be preserved by a number of processing methods, they are… …   Universalium