For example, corn root system penetrates to a depth of 1.5 - 3 m, sometimes over 4 meters (Monograph of corn, Ing. Jaroslav Hruška et al, SZN, UVTIZ 1962).
Kwa mfano, mahindi mizizi mfumo hupenya kwa kina cha 1.5-3 m, wakati mwingine zaidi ya mita 4 (Monograph ya nafaka, Ing Jaroslav Hruska al et, SZN, UVTIZ 1962.).