Undertaking A soil exam ahead of incorporating gypsum is also advised. This will assist you to determine the nutrient and pH ranges to make sure you use the ideal amount of gypsum.  Gypsum is considered non-harmful, but extended publicity to dust may lead to respiratory problems like bronchial asthma. Inhalation https://www.propanraya.com/id/produk/eco-gypsum-ee-4050