TY  - BOOK
TI  - Trace elements in soils and crops: proceedings of a conference..
SN  - 0112409210
PY  - 1971///
CY  - London
PB  - HMSO
KW  - Plants
KW  - Composition
KW  - Soils
KW  - Trace element content
KW  - Plants, Effects of trace elements on
KW  - Analysis
KW  - Plant-soils relationship
ER  -