'Engrais chimique' is a French equivalent of 'chemical fertilizer.
The masculine noun 'engrais' means 'fertilizer, manure'. The masculine/feminine adjective 'chimique' means 'chemical'. Together, they're pronounced 'awn-greh shee-meek'.
NH4NO3
Engrais
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.
it is made with the haber-butch process
Merits and de merits of chemical fertilizer?
Chemical
No. There are many different kinds of fertilizer, so fertilizer does not have a definite chemical composition.
NH4NO3
A mixture of organic and inorganic fertilizers is recommended.
Engrais
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.
Belagola in Mysore
it is made with the haber-butch process