competition of weeds


competition of weeds
конкуренция сорной растительности

Англо-русский сельскохозяйственный словарь. 2013.

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  • 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

  • Commercial sorghum — refers to the cultivation and commercial exploitation of species of grasses within the genus Sorghum (often S. bicolor). These plants are used for grain, fibre and fodder. The plants are cultivated in warmer climates worldwide. Commercial Sorghum …   Wikipedia

  • Viticulture — (from the Latin word for vine ) is the science, production and study of grapes which deals with the series of events that occur in the vineyard. When the grapes are used for winemaking, it is also known as viniculture. It is one branch of the… …   Wikipedia

  • pre-Columbian civilizations — Introduction       the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …   Universalium

  • nurse crop — noun : a crop planted with another presumably to shelter it from competition with weeds or other undesirable plants compare companion crop, nurse grass * * * a crop planted in the same field with another crop, esp. to minimize the growth of weeds …   Useful english dictionary

  • Deepwater rice — A farmer inspecting a crop of deepwater rice Deepwater rice is a variety of rice (Oryza sativa) grown in flooded conditions with water more than 50 cm (20 in) deep for at least a month.[1] More than 100 million people …   Wikipedia

  • Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence …   Wikipedia

  • Herbicide — Weeds killed with herbicide Herbicides, also commonly known as weedkillers, are pesticides used to kill unwanted plants.[1] Selective herbicides kill specific targets while leaving the desired crop relatively unharmed. Some of these act by… …   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

  • Invasive species — See also: List of invasive species, Introduced species, Pest (organism), and Weed North American beavers constitute an invasive species in Tierra del Fuego, where they have a substantial impact on landscape and local ecology through their… …   Wikipedia

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium


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