@article{articled21ac367,
title   = {Evaluating responses of maize (Zea mays L.) to soil physical conditions using a boundary line approach},
author = {Imhoff, S. and Kay, B. D. and Silva, Álvaro Pires da and Hajabbasi, M. A},
year = {2010},
doi = {10.1016/j.still.2009.11.007},
journal   = {Soil & Tillage Research}
}