Isichumiso sezolimo, oko kukuthi isichumiso sekhemikhali, okanye isichumiso sekhemikhali ngokufutshane, sisichumiso esiqulethe isondlo esinye okanye ezininzi ezifunekayo ekukhuleni kwesityalo, esenziwe ngemichiza kunye/okanye ngeendlela eziphathekayo. Izichumisi zekhemikhali eziqhelekileyo ziquka isichumiso senitrogen, isichumiso sephosphate, isichumiso sepotash, isichumiso esihlanganisiweyo kunye nesichumiso semicronutrient. Isichumiso sidlala indima ebalulekileyo kwimveliso yezolimo, njengoko sinokwandisa isivuno, siphucule ukuchuma komhlaba, sikhuthaze ukukhula kwezityalo, silawule umjikelo wokukhula kwezityalo, yaye sinokuba nempembelelo yokulawula izinambuzane nezifo.