TY  - BOOK
AU  - Wallace, T.,
TI  - Diagnosis of Mineral Deficiencies in Plants By Visual Symptoms : A Colour Atlas and Guide
U1  - 631 
PY  - 1961///
CY  - London
PB  - Her Majestys Stationary Office
KW  - Plant Pathology
KW  - Techniques, equipment & materials
ER  -