Pesticides are any substance or mixture of substances intended for preventing, destroying, repelling or mitigating pests, which are known to improve agriculture yield considerably leading to an increase in its application over the years. Classes of pesticides commonly used in crops growing include insecticides (to control insect infestations), fungicides (to control the spread of fungal diseases) and herbicides (to control the competing effects of weeds). Pesticide Residues Test Kits https://www.cd-testkit.com/pesticide-residues-test-kits.html