annual weed

一年生杂草

English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.

Look at other dictionaries:

  • 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 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

  • Weed — This article is about plants specifically called weeds. For other uses, see Weed (disambiguation). See also: Invasive species and Volunteer (botany) Contents …   Wikipedia

  • weed — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ annual, perennial ▪ aquatic, water ▪ noxious (esp. AmE) VERB + WEED ▪ …   Collocations dictionary

  • Annual plant — Botanically, an annual plant is a plant that usually germinates, flowers and dies in one year. True annuals will only live longer than a year if they are prevented from setting seed. Some seedless plants can also be considered annuals even though …   Wikipedia

  • annual — annually, adv. /an yooh euhl/, adj. 1. of, for, or pertaining to a year; yearly: annual salary. 2. occurring or returning once a year: an annual celebration. 3. Bot. living only one growing season, as beans or corn. 4. performed or executed… …   Universalium

  • Annual growth cycle of grapevines — Grape vine and fruit The annual growth cycle of grapevines is the process that takes place in the vineyard each year, beginning with bud break in the spring and culminating in leaf fall in autumn followed by winter dormancy. From a winemaking… …   Wikipedia

  • annual bluegrass — noun or annual meadowgrass : an annual European grass (Poa annua) of wide distribution introduced into No. America where it is often a weed especially in lawns …   Useful english dictionary

  • Weed of cultivation — A weed of cultivation is any plant that is well adapted to environments in which land is cultivated for growing some other plant. Many are quite specialised and can only thrive and reproduce where the ground has been broken by plough or spade.… …   Wikipedia

  • weed — Synonyms and related words: Canada thistle, DET, DMT, LSD, Mary Jane, STP, THC, abate, abrade, abstract, acid, amphibian, angiosperm, annual, antidepressant, aquatic plant, ataractic, backset, bate, biennial, black sheep, blemish, bones, boo,… …   Moby Thesaurus

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