TY  - BOOK
AU  - Weir,R G.
AU  - Cradock,F W.
AU  - Barkus,B.
TI  - Diagnosing deficiencies in plants
T2  - Bulletin
U1  - 581.2 
PY  - 1978///
CY  - N.S.W.
PB  - Dept. of Agriculture
KW  - Plant diseases
ER  -