Ammonium sulphate ndi mtundu wa feteleza wa nayitrogeni omwe amatha kupereka NPK ndipo amagwiritsidwa ntchito kwambiri paulimi. Kupatula kupereka gawo la nayitrogeni, imathanso kupereka gawo la sulfure ku mbewu, msipu ndi zomera zina. Chifukwa cha kutulutsidwa kwake mwachangu komanso kuchitapo kanthu mwachangu, ammonium sulphate ndi yabwino kwambiri kuposa ma furtillizer ena a nayitrogeni monga urea, ammonium bicarbonate, ammonium chloride ndi ammonium nitrate.
Amagwiritsidwa ntchito kwambiri popanga feteleza wambiri, potaziyamu sulphate, ammonium chloride, ammonium persulfate, etc.
Katundu: Granule yoyera kapena yoyera, yosungunuka mosavuta m'madzi. Madzi amadzimadzi amawoneka ngati asidi. Insoluble mu mowa, acetone ndi ammonia, Mosavuta deliquescent mu mlengalenga.