түтін

Depositing dirt, mud or other materials into aquatic areas to create more dry land, usually for agricultural or commercial development purposes, often with ruinous ecological ...

көрсеткіш

Agricultural chemicals; Pesticides

In biology, any biological entity or processes, or community whose characteristics show the presence of specific environmental conditions. 2. In chemistry, a substance that shows ...

хост

Agricultural chemicals; Pesticides

1. In genetics, the organism, typically a bacterium, into which a gene from another organism is transplanted. 2. In medicine, an animal infected or parasitized by another ...

инверсия

Agricultural chemicals; Pesticides

A layer of warm air that prevents the rise of cooling air and traps pollutants beneath it; can cause an air pollution episode.

кешіктіру

Agricultural chemicals; Pesticides

Time from the first exposure of a chemical until the appearance of a toxic effect.

жыра эрозиясы

Agricultural chemicals; Pesticides

Severe erosion in which trenches are cut to a depth greater than 30 centimeters (a foot). Generally, ditches deep enough to cross with farm equipment are considered gullies.

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Industrija/področje: Holiday Category: Unofficial holidays

Ұлы Американдық Шегу

Observed every year since 1977, the Great American Smokeout takes place on the third Thursday of November. Sponsored by the American Cancer Society, ...