TY  - BOOK
TI  - Organic material as fertilizers
T2  - Soils bulletin
U1  - 631.86 ORG 
PY  - 1975///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Organic fertilizers
N1  - Cover title: Organic materials as fertilizer; On t.p.: Soil Resources, Development and Conservation Service; Land and Water Development Division
ER  -