TY  - BOOK
AU  - Alexander, John D.
TI  - Nitrogen-loss potential ratings for Illinois soils
T2  - University of Illinois bulletin
PY  - 1987///
CY  - Urbana
PB  - University of Illinois. Agricultural Experiment Station
KW  - Suelos
KW  - Clasificación
KW  - Illinois
KW  - Nitrógeno en
ER  -