TY  - JOUR 
T1  - Small relief shape variations influence spatial variability of soil chemical attributes
JO  - Scientia Agricola
A1  - Souza, Zigomar Menezes de
A1  - Marques Júnior, José
A1  - Pereira, Gener Tadeu
A1  - Barbieri, Diogo Mazza
SN  - 0103-9016
UL  - 10.1590/S0103-90162006000200008
VL  - 63 
Y1  - 2006
PB  - Brasil 
ER  -