TY  - BOOK
AU  - Cooke, G.W.
TI  - The control of soil fertility
T2  - E.L.B.S. Text Book Series
U1  - 631.45 L0 
PY  - 1970///
CY  - London
PB  - English language book society
KW  - G.W. Cooke
KW  - Biological control,Soil fertility
ER  -