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pesticida

Un pesticida es una sustancia usada para matar una plaga o peste. En un contexto de la agricultura, una plaga es cualquier cosa que ataca o compite con los cultivos. Por lo tanto, hay muchos tipos diferentes de pesticidas, por ejemplo, los insecticidas matan a los insectos y los herbicidas matan las malezas. Los productos químicos utilizados en los pesticidas a veces pueden ser tóxicos para los seres humanos, sin embargo, la agricultura orgánica se esfuerza por usar pesticidas naturales en lugar de sustancias sintéticas.

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Saistītie termini

pesticidas
Biology; General

Chemicals that are applied to agricultural crops or domesticated plants and which kill or inhibit growth of insects.

pesticidas persistentes
Agriculture; Rice science

Pesticides that remain unchanged in the environment for long periods and are not readily degraded by microorganisms, enzymes, heat, or ultraviolet light.

lluvia ácida
Natural environment; Climate change

Acid rain is simply rain with higher than normal acidity. Its main cause is emissions of nitrogen and sulphur compounds from burning fossil fuels to power transport, power ...

atmósfera
Natural environment; Climate change

The atmosphere is the name for the mixture of gases surrounding the earth and retained there by the planet's gravitational pull - our air, in other words. The atmosphere comprises ...

biodegradable
Natural environment; Climate change

Organic matter that can break down or decompose rapidly under natural conditions and processes is referred to as biodegradable. Garden and food waste, animal waste, and most paper ...

biodiversidad
Natural environment; Climate change

Biodiversity (a contraction of the phrase biological diversity) means the variety of life on earth, or within one particular ecosystem, in terms of the number of distinct ...

carbono
Natural environment; Climate change

Carbon is the fourth most common chemical element in the universe, and carbon compounds - in other words, carbon chemically combined with other elements - are the basis of all ...

dióxido de carbono (CO2)
Natural environment; Climate change

CO2 is made up of the elements carbon and oxygen. It exists quite naturally in our atmosphere, as part of the carbon cycle. Everyday processes in the plant and animal world both ...

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