TY  - BOOK
AU  - Balfour, E. B.
TI  - The living soil and the haughley experiment
U1  - 631.46 
PY  - 1975///
CY  - London
PB  - Faber and Faber
KW  - Abonos
KW  - Compost
KW  - DiagnÃ³stico foliar
KW  - Humus
KW  - Suelos
KW  - MicrobiologÃ­a
ER  -