Weed — /weed/, n. Thurlow /therr loh/, 1797 1882, U.S. journalist and politician. * * * Any plant growing where it is not wanted. On land under cultivation, weeds compete with crops for water, light, and nutrients. On rangelands and in pastures, weeds… … Universalium
weed — weed1 weedless, adj. weedlike, adj. /weed/, n. 1. a valueless plant growing wild, esp. one that grows on cultivated ground to the exclusion or injury of the desired crop. 2. any undesirable or troublesome plant, esp. one that grows profusely… … Universalium
Weed — This article is about plants specifically called weeds. For other uses, see Weed (disambiguation). See also: Invasive species and Volunteer (botany) Contents … Wikipedia
Crop — For other uses, see Crop (disambiguation). Domesticated plants … Wikipedia
Weed control — is the botanical component of pest control, stopping weeds from reaching a mature stage of growth when they could be harmful to domesticated plants and livestock by physical and chemical methods. In order to reduce weed growth, many weed control… … Wikipedia
Crop diversity — is the variance in genetic and phenotypic characteristics of plants used in agriculture. Crops may vary in seed size, branching pattern, in height, flower color, fruiting time, or flavor. They may also vary in less obvious characteristics such as … Wikipedia
Weed — Weed, n. [OE. weed, weod, AS. we[ o]d, wi[ o]d, akin to OS. wiod, LG. woden the stalks and leaves of vegetables D. wieden to weed, OS. wiod[=o]n.] [1913 Webster] 1. Underbrush; low shrubs. [Obs. or Archaic] [1913 Webster] One rushing forth out of … The Collaborative International Dictionary of English
Weed hook — Weed Weed, n. [OE. weed, weod, AS. we[ o]d, wi[ o]d, akin to OS. wiod, LG. woden the stalks and leaves of vegetables D. wieden to weed, OS. wiod[=o]n.] [1913 Webster] 1. Underbrush; low shrubs. [Obs. or Archaic] [1913 Webster] One rushing forth… … The Collaborative International Dictionary of English
weed — weed1 [wēd] n. [ME weede < OE weod, akin to LowG wēd: base only in WGmc] 1. any undesired, uncultivated plant, esp. one growing in profusion so as to crowd out a desired crop, disfigure a lawn, etc. 2. Informal a) tobacco: with the b) a cigar… … English World dictionary
Crop rotation — Fallow redirects here. For other uses, see Fallow (disambiguation). Satellite image of circular crop fields in late June 2001. Healthy, growing crops are green. Corn would be growing into leafy stalks by then. Sorghum, which resembles corn, grows … Wikipedia
