Food preservatives like sodium benzoate ,salicylic acid.
Bases for preventing excess acidity in the soil like quicklime(calcium oxide),slaked lime and chalk(calcium carbonate).
Insecticides for killing unwanted pests and insects like locusts that destroy large acres of farmland like DDT,aldrin and chlorinated hydrocarbons,gamaxin and flit.
Fertilisers like nitrogen compounds(urea,ammonium nitrate,ammonium sulphate),superphosphate.
Herbicides for killing weeds and fungicides.
Conversion of atmospheric nitrogen … Read more