Ko te Monodicalcium Phosphate MDCP 21 he taupā atamira e hāngai ana ki te whai mōhio kaupeka me ngā pūtau. Ko MDCP 21 i hoahoaia inaianei kia tino māmā ai te tinana o te kararehe ki te calcium me te phosphorus. Ēnei kaupeka e rua e āwhina ana i te whanaketanga tika o ngā kōiwi, ā, ka whakapai ake i ngā tikanga matapo o ngā kararehe. I te whai mōhio tipu, ko MDCP 21 e whakapai ake i te uara o te tango mōhio e ngā tipu, nō reira ka pai ake te kounga me te hua o ngā miraka. Anō, ko te maha o ngā whāinga e taea ai te whakamahi i tā tātou hua, nō reira he kōwhiringa pai mō ngā kaiwhakatō whenua me ngā kaihanga kai mā te ao.