nutrient needs

См. также в других словарях:

• Nutrient — cycle in the oceans A nutrient is a chemical that an organism needs to live and grow or a substance used in an organism s metabolism which must be taken in from its environment.[1] They are used to build and repair tissues, regulate body… …   Wikipedia

• Nutrient sensing — is a cell s ability to recognize and respond to fuel substrates such as glucose. Each type of fuel used by the cell requires an alternate pathway of utilization and accessory molecules. In order to conserve resources a cell will only produce… …   Wikipedia

• Nutrient trading — is a proposed pollution reduction method that would see a system of credits that can be bought and sold. The credits would be based on how much pollution is dumped into the environment. BackgroundA major pollution problem is nutrient fertilizers… …   Wikipedia

• Protein (nutrient) — This article is about protein as a nutrient. For protein as a class of molecule, see protein. For other uses, see bodybuilding supplement. Amino acids are the building blocks of protein. Proteins are polymer chains made of amino acids linked… …   Wikipedia

• nutrition, human — Introduction       process by which substances in food are transformed into body tissues and provide energy for the full range of physical and mental activities that make up human life.   The study of human nutrition is interdisciplinary in… …   Universalium

• Cannabis cultivation — Typical home grown organic sinsemilla bud compared to a cigarette pack. This article presents common techniques and facts regarding the cultivation of the flowering plant cannabis, primarily for the production and consumption of marijuana buds.… …   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

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

• agricultural sciences, the — Introduction  sciences dealing with food and fibre production and processing. They include the technologies of soil cultivation, crop cultivation and harvesting, animal production, and the processing of plant and animal products for human… …   Universalium

• Staple food — Grains Various types of …   Wikipedia

• biogeochemical cycle — [bī΄ō jē΄ō kem′i kəl] n. the cycle in which nitrogen, carbon, and other inorganic elements of the soil, atmosphere, etc. of a region are converted into the organic substances of animals or plants and released back into the environment * * * ▪… …   Universalium