
Keywords: CT; conventional tillage; ZT; zero tillage; PNB; permanent narrow beds; PBB; permanent broad beds; ZTÂ +Â R; ZT with residue; PNBÂ +Â R; PNB with residue; PBBÂ +Â R; PBB with residue; RWU; root water uptake; RLD; root length density; SWC; soil water conte