TY  - BOOK
AU  - GUSTAFSON, A. F.
TI  - HANDBOOK OF FERTILIZERS (THEIR SOURCES, MAKEUP, EFFECTS AND USE)
PY  - 1997///
CY  - BIKANER
PB  - AGRO BOTANICAL PUBILISHERS
UR  - http://krc.immt.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=7717
ER  -