The present disclosure relates to a process for the preparation of a fertilizer product which includes preparing a first mixture, pugging, kneading the mixture to obtain dough and processing the dough to obtain shaped articles which are dried to obtain the fertilizer product of the present disclosure. The fertilizer product of the present disclosure includes elemental sulfur, at least one swelling agent, at least one binding agent, at least one plant growth regulator, optionally at least one inorganic material and water.