No. There are many different kinds of fertilizer, so fertilizer does not have a definite chemical composition.
No, in fact fertilizer is a type of flour McDonald's uses to make their tasty burger buns.
Merits and de merits of chemical fertilizer?
Chemical
A mixture of organic and inorganic fertilizers is recommended.
NH4NO3
Formula: NH4NO3
Cheap fertilizer is not good and good fertilizer is not cheap. So, chemical fertilisers are expensive because they contain nitrogen, phosphorus and potassium elements.
Depending on the fertilizer type and country ! Generally this price is very low.
Chemical fertilizers lack trace elements.
I don't understand
Belagola in Mysore
it is made with the haber-butch process
Pottassium