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Any chemical or substance used to kill or inhibit the growth of pests that damage or interfere with the growth of crops, shrubs, tress, timber and other vegetation useful to humans.

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كيماويات زراعية; مبيدات الآفات

A variable, measurable property whose value is a determinant of the characteristics of a system; e.g. temperature, pressure, and density are parameters of the atmosphere.


كيماويات زراعية; مبيدات الآفات

The volume or product-level change produced by a leak in a tank.


كيماويات زراعية; مبيدات الآفات

Descriptive factors taken into account by EPA in setting standards for various pollutants. These factors are used to determine limits on allowable concentration levels, and to limit the number of ...


كيماويات زراعية; مبيدات الآفات

1. An organism, often an insect or rodent, that carries disease. 2. Plasmids, viruses, or bacteria used to transport genes into a host cell. A gene is placed in the vector; the vector then "infects" ...


كيماويات زراعية; مبيدات الآفات

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 a visible change, ...


كيماويات زراعية; مبيدات الآفات

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 organism.

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