The necessary of pesticides:   Some of the pests such as mosquitoes, ticks, rats and mice may affect plants, animals and humans; therefore we need to control such type of pests. Hence, pesticides are used to control such type of pests and it also used in agriculture to insect infestation, control weeds, and other diseases. Some of the other chemicals such as herbicides, fungicides, insecticides, etc., along with pesticides are essential for improving the agricultural productivity and harvest to protect the commodity from deterioration during storage and transport. These helped the farmers to grow more food on less land by protecting crops from pests, diseases, weeds and also the raising productivity per hectare. Image credit to SNB team Limitations of pesticides:   The limitations of the pesticide to widespread of its usage are very significant. Mainly, more dosage of pesticides are contaminated into water, air and high toxicity poses a hazard to the ecosystem. The direct tran...