Definition - What does Broad Spectrum Pesticide mean? A broad-spectrum pesticide is a powerful pesticide that targets entire groups or species of organisms that are commonly harmful to plants. Another name for a broad-spectrum pesticide is a non-selective pesticide. Unlike narrow-spectrum pesticides, broad-spectrum pesticides can target large amounts of crops at the same time, that might be plagued by more than one type of pest, and is therefore commonly used by farmers who need a fast-acting, guaranteed solution to an unknown problem.
Green belt definition: A green belt is an area of land with fields or parks around a town or city, where people... | Meaning, pronunciation, translations and examples English Dictionary | Thesaurus | Translator | Grammar | Scrabble | Blog
Ocean Conveyor Belt. 1  System that circulates water throughout the world's oceans based on density and salinity. Moves cold, salty deep-sea water from higher to lower latitudes; creates warm, less-salty shallow current and cold, salty deep-sea current. Transfers heat from the equator to Europe/North America, causing temperate climate.