Zuffo, V.J. Pires, F.R. Bonomo, R. Vitória, E.L. da Celin Filho, A. Santos, E.O. de J. Effects of tillage systems on physical properties of a cohesive yellow argisol in the northern state of Espírito Santo, Brazil Subjects--Topical Terms: MANEJO DO SOLOFÍSICA DO SOLOMAMÃO