TY  - BOOK
AU  - Gustafson, A. F.
TI  - Handbook of Fertilizers: Their Sources, Makeup, Effects and Use
U1  - 631.81 
CY  - New Delhi
PB  - Agro Botanical Publishers (India)
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Fertilizers
ER  -