weed infestation of crops

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• 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

• засоренность посева — Количество сорняков или их масса на единицу площади посева. [ГОСТ 21507 81] [ГОСТ 16265 89] Тематики защита растенийземледелие EN weed infestation of crops DE Verunkrautungsgrad des Schlages FR envahissement du semis par les mauvaises herbes …   Справочник технического переводчика

• исходная засоренность посева (почвы, семян) — Засоренность посева (почвы), (семян) перед проведением мероприятий по уничтожению сорняков. [ГОСТ 21507 81] Тематики защита растений Обобщающие термины численность вредных организмов EN initial weed infestation of crops (soil, seeds) DE… …   Справочник технического переводчика

• Oil palm — African Oil Palm (Elaeis guineensis) Scientific classification Kingdom: Plantae …   Wikipedia

• Christmas tree pests and weeds — An entomologist checks Scots Pine for pine shoot beetles at a Christmas tree farm near East Lansing, Michigan. Pine and fir trees, grown purposely for use as Christmas trees, are vulnerable to a wide variety of pests, weeds and diseases. Many of… …   Wikipedia

• Biological pest control — Biological control of pests in agriculture is a method of controlling pests (including insects, mites, weeds and plant diseases) that relies on predation, parasitism, herbivory, or other natural mechanisms. It can be an important component of… …   Wikipedia

• Agriculture in Kenya — Over 80 percent of the population in Kenya farms for a primary living.Leahy, Stephen. Africa:Reinventing Agriculture. (2008, April 15). Retrieved April 21, 2008, from http://www.allafrica.com.] . Most of these farmers live and grow their crops… …   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

• Senecio vulgaris — Common groundsel Scientific classification Kingdom: Plantae …   Wikipedia

• forestry — /fawr euh stree, for /, n. 1. the science of planting and taking care of trees and forests. 2. the process of establishing and managing forests; forestation. 3. forestland. [1685 95; < MF foresterie. See FOREST, RY] * * * Management of forested… …   Universalium