TY  - BOOK
AU  - Gustafson, A.F.
AU  - Gustafson, A.F.
TI  - Handbook of Fertilizers : Their Source, Make-up, Effects, and Use
U1  - 631.8102/GUS 
PY  - 2003///
CY  - Jodhpur (Raj.)
PB  - Agrobios (India)
ER  -