TY  - BOOK
AU  - ADDISCOTT, T. M
TI  - Farming, fertilizers and the nitrate problem
U1  - 631.842 A21F 
PY  - 1991///
PB  - Wallingford
KW  - NITROGEN FERTILIZERS
KW  - SOILS -- NITROGEN CONTENT
KW  - WATER -- NITROGEN CONTENT
ER  -