1) Atrazine 2) Linuron 3) Silvex 4) Simazine 1) Chemical 2) Herbicide 3) Type of herbicide 4) Weed killer 
A chemical that will kill or inhibit the growth of weeds, a herbicide.
Chemical that kills some or all plants. Selective herbicides are effective with cereal crops because they kill all broad-leaved plants without affecting grasslike leaves. Those that kill all plants include sodium chlorate and paraquat; see also Agent Orange. The widespread use of weedkillers in agriculture has led to an increase in crop yie...