TY  - BOOK
AU  - Ministry of Agriculture,Fisheries and Food,London.
TI  - Soil physical condition and crop production:Proceedings
U1  - 631.4 
PY  - 1972///
CY  - London Her Majesty s Stationary Office.
PB  - 
KW  - Crop Production
KW  - Soil Physical
KW  - Soil Science
ER  -