Organic fertilizers are derived from living things such as animals and plants. Most common are manures, bone meal, fish meal , vermin compost etc. They are generally slower to release as micro organism in the soil , have to break them down first so the plant can use them. Organic fertilizer supply nutrients for both plant and soil. Inorganic fertilizers are man made formulae that can be formulated for various speeds of release. Most common are Urea, Single Super Phosphate, and Murate of Potash.
Pesticides are substances that are meant to control pests or weeds. The term pesticide include all the following-
In general pesticide is a chemical or biological agent that deters, incapacitates, kills or otherwise discourages pests. Both chemical pesticides and bio pesticides are important for crop protection. Bio pesticides are integral part of organic crop cultivation.