- claypan soil
- 粘磐土
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
claypan soil
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claypan — [klā′pan΄] n. a clay layer in the soil that restricts downward movement of water and growth of roots: sometimes written clay pan … English World dictionary
Claypan — In geology, a claypan is a dense, compact, slowly permeable layer in the subsoil having a much higher clay content than the overlying material, from which it is separated by a sharply defined boundary. Claypans are usually hard when dry, and… … Wikipedia
claypan — A dense, heavy, relatively impervious subsurface soil layer that owes its hardness to a relatively higher clay content than that of the overlying material from which it is separated by a sharply defined boundary … Lexicon of Cave and Karst Terminology
claypan — ˈ ̷ ̷ˌ ̷ ̷ noun ( s) Etymology: clay (I) + pan 1. : hardpan consisting mainly of clay 2. Australia : a shallow silted depression in which water collects after rain * * * /klay pan / … Useful english dictionary
Drummond Nature Reserve — View from the South Western boundary into the reserve the yellow flowers are species of Acacia The Drummond Nature Reserve is an A class nature reserve 10 kilometres west of Bolgart, Western Australia. Named after the botanist James Drummond, the … Wikipedia
Hardpan — For the geography term, a dry terminus of an internally drained basin in a dry climate (i.e. salt flat/playa), see Dry lake. In soil science, agriculture and gardening, hardpan or ouklip is a general term for a dense layer of soil, usually found… … Wikipedia
Mima mounds — Coordinates: 46°53′55″N 123°03′02″W / 46.8985602°N 123.0504799°W / 46.8985602; 123.0504799 Mima mounds ( … Wikipedia
Broadfork — In farming and gardening, the broadfork, or U fork is a tool used to manually break up densely packed soil, like hardpan, to improve aeration and drainage. It consists of five or so metal tines, approximately eight inches long, spaced a few… … Wikipedia
Banksia telmatiaea — taxobox name = Swamp Fox Banksia regnum = Plantae unranked divisio = Angiosperms unranked classis = Eudicots ordo = Proteales familia = Proteaceae genus = Banksia species = B. telmatiaea binomial = Banksia telmatiaea binomial authority =… … Wikipedia
Mallee (biogeographic region) — The IBRA regions, with Mallee in red Mallee, also known as Roe Botanical District, is a biogeographic region in southern Western Australia. Located between the Esperance Plains, Avon Wheatbelt and Coolgardie regions, it has a low, gently… … Wikipedia
Andes Mountains — Mountain system, western South America. One of the great natural features of the globe, the Andes extend north south about 5,500 mi (8,850 km). They run parallel to the Caribbean Sea coast in Venezuela before turning southwest and entering… … Universalium
