TY  - BOOK
TI  - Soil phosphorus; proceedings
T2  - Ministry of Agriculture, Fisheries and Food, Technical Bulletin; no.13
U1  - 631.416. 1965.10.4/5 (082.2)  K5 
PY  - 1965///
CY  - London
PB  - Her Majesty' s Stationery Office
KW  - Conference on Soil Phosphorus, London, Oct.4-5, 1962.
KW  - Soil phosphorus content
ER  -