Nuriandozi, ba khok andokhtani nuriro guyand, ki miqdor, vakt va usulhoi istifodai onro dar asosi kharitai khok va kartogrammoi agrokhimiyavi muayyan mekunand. Nuriandozii pesh az kisht gizogirii rastaniro dar tamomi davrai nashv (vegetasiya), Nuriandozi hangomi kisht (qatori va chorkunja) sabzish va inkishof, Nuriandozi badi kisht (gizodihii rastani) boshad, gizogirin rastaniro dar davrai muayyani nashv purzur mekunad.
Nurihoi asosi (poru, kompost, sideratho, nurihoi minerali)-ro hangomi shudgor yo kultivatsiyai chuqur, vaqti kishtgardon (kishta javdor va gandumi tiramohi, kartoshka, juvornmakka, lablabui qand, zagir, pakhta) meandozand. Nurihoi organikiro bo yorii poruposhakho, nurihoi mineraliro bo tukhmpposhakhoi nuriposh meposhand va ba vositai plugho yo kultivatorho khokgardon mekunand. Nuriandozii pesh az kisht (superfosfati maydakardatuda, omekhtai organikiyu minerali), hangomi kisht dar yak vaqt bo tukhmi, bekhmeva va kuchat guzaronida meshavad. Baroi in az tukhmiposhakhoi gunogun istifoda mebarand.