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Pesticides

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.

Contributors in Pesticides

Pesticides

kriterium

Agricultural chemicals; Pesticides

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 ...

vektor

Agricultural chemicals; Pesticides

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" ...

samplingfrekvens

Agricultural chemicals; Pesticides

Interval mellem indsamling af flere på hinanden følgende prøver.

signal

Agricultural chemicals; Pesticides

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

pesticid brugeren udgifter

Agricultural chemicals; Pesticides

Dollarværdien af køb af personer eller virksomheder anvender pesticider, såsom landmænd, kommercielle pesticid Applikatorer og husejere. Indberettede tal er nominelle værdier for årene angivet, dvs., ...

pH

Agricultural chemicals; Pesticides

Måling af syrer eller alkalinitet af en kemiske løsning, fra 0-14. Noget neutralt, for eksempel har en pH på 7. Syrer har en pH-værdi mindre end 7, baser (alkalisk) større end 7.

økologi

Agricultural chemicals; Pesticides

Studiet af relationerne mellem alle levende organismer og miljøet, især formuemasse eller mønster af vekselvirkningerne mellem disse; visning, der omfatter alle vegetabilske og animalske arter og ...

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