TY  - BOOK
AU  - Sparks, Donald L
TI  - Advances in agronomy. V.80
SN  - 0120007983
U1  - 631/635 
PY  - 2003///
CY  - New York
PB  - Academic Press
KW  - Soil scale dependent dispersion
KW  - Weed management
ER  -