TY  - BOOK
AU  - Messick, D. L.
AU  - Tandon, H. L. S.
TI  - Practical sulphur guide
U1  - P 553.668 21st ed.
PY  - 2002///
CY  - Washington, D.C.
PB  - Sulphur Institute
KW  - Crops-Effect of sulphur on
KW  - Sulphur fertilizer
KW  - Sulphur in agriculture
KW  - Sulphur management
ER  -