Pesticides are synthetic or natural chemicals used to control pests. Pesticide is a commonly used term for all crop protection chemicals, which also include fungicides that control fungal diseases, herbicides that control weeds.
Fertilizers, on the other hand, supply natural nutrients to make crops grow.
The role of fertilizers is to increase yield and ensure healthy produce by supplying the right balance of nutrients to the soil.
“Without fertilizers, the soil would be depleted and therefore plants would be particularly difficult to grow. They cannot survive on water alone, and nor can we. If we want good nutritious food, plants need nutrition and that makes our food much more enjoyable,” says Barry Bull, plant nutrition consultant.