There are different categories of Agricultural medicines:
✓ Insecticides, used to control insect pests.
✓ Fungicides, used to fight fungal pests.
✓ Special Pesticides, to fight other animal pests, or harmful animals e.g. rats, mice, etc.
✓ Herbicides that destroy most harmful weeds in crops (wild grasses), while not destroying grains, tree trunks, etc.