TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations
TI  - Organic materials soil productivity near east
T2  - FAO soils bulletin; 
SN  - 9250012179
U1  - 631.417 21st ed.
PY  - 1982///
CY  - Rome
PB  - Food and Agriculture Orgnization
KW  - Humus
KW  - Soil fertility
KW  - Soil productivity
KW  - Soil sciences
ER  -