TY  - BOOK
AU  - Bould,C.
AU  - Hewitt,E.J.
AU  - Needham,P.
TI  - Diagnosis of mineral disorders in plants
U1  - 632 
PY  - 1983///
CY  - London
PB  - H.M.S.O.
KW  - Field crops
KW  - Diseases and pests
ER  -