The first natural ammonia compound (NH3), which is involved in the natural reaction, is converted to nitrite (NO2-) by the bacteria in the soil, and finally, nitrate (NO3-) ions are formed by nitrification.
ປະສົມທໍາມະຊາດຄັ້ງທໍາອິດທໍາມະດາ (NH3), ເຊິ່ງມີສ່ວນປະຕິກິລິຍາທໍາມະຊາດ, ຖືກປ່ຽນແປງໄປເປັນ nitrite (NO2-) ໂດຍເຊື້ອແບັກທີເຣັຍໃນດິນແລະສຸດທ້າຍ, nitrate (NO3-) ions ຖືກສ້າງຂຶ້ນໂດຍ nitrification.