TY  - BOOK
AU  - Food and Agricultural organisation of the UN
TI  - The Soil;How to conserve the soil
T2  - Better farming series;No5
U1  - PH 631.459:631.61 L6 
PY  - 1976///
CY  - Rome
PB  - FAO
KW  - Soil science,Soil conservation
ER  -