См. также в других словарях:
vermiculite — /veuhr mik yeuh luyt /, n. any of a group of platy minerals, hydrous silicates of aluminum, magnesium, and iron, that expand markedly on being heated: used in the expanded state for heat insulation and as a plant growth medium. [1815 25, Amer.;… … Universalium
vermiculite — Material made from expanded mica used as a rooting medium and as a soil additive … Glossary of Biotechnology
Square foot gardening — An updated book published by Mel Bartholomew in February 2006. Square Foot Gardening is the practice of planning small but intensively planted gardens. The phrase square foot gardening was popularized by Mel Bartholomew in a 1981 Rodale Press… … 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
Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… … Wikipedia
Houseplant — A houseplant is a plant that is grown indoors in places such as residences and offices. Houseplants are commonly grown for decorative purposes and health reasons such as indoor air purification. Plants used in this fashion are most commonly,… … Wikipedia
Perlite — is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian. It occurs naturally and has the unusual property of greatly expanding when heated sufficiently.Properties and usesWhen it… … Wikipedia
Plaster — The term plaster can refer to plaster of Paris, lime plaster, or cement plaster. This article deals mainly with plaster of Paris.Plaster of Paris is a type of building material based on calcium sulfate hemihydrate, nominally CaSO4·0.5H2O. It is… … Wikipedia
Kenya — Kenyan, adj., n. /ken yeuh, keen /, n. 1. a republic in E Africa: member of the Commonwealth of Nations; formerly a British crown colony and protectorate. 28,803,085; 223,478 sq. mi. (578,808 sq. km). Cap.: Nairobi. 2. Mount, an extinct volcano… … Universalium
Nepenthes rajah — Large lower pitcher of Nepenthes rajah. Mount Kinabalu, Borneo. Conservation status … Wikipedia
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
