TY  - BOOK
AU  - Asher, Colin
AU  - Asher, Colin
AU  - Grundon, Noel
AU  - Menzies, Neal
TI  - How to Unravel and solve Soil Fertility Problems (ACIAR Monograph No. 83)
U1  - 331.42/WAL 
PY  - 2002///
CY  - Australia
PB  - Australian Centre for International Agricultural Research
ER  -