TY  - BOOK
AU  - Brady, N.C. (ed.)
TI  - Advances in agronomy: vol. 42 
SN  -  0120007428
AV  - S591.A3 1989 
PY  - 1989///
CY  - San Diego
PB  - Academic Press
KW  - Agriculture
KW  - Soils
KW  - Composition
ER  -