TY  - BOOK
AU  - Pfeiffer Ehrenfried
AU  - Balfour E.B.
TI  - Soil Fertility Renewal and Preservation Biodynami Farming and Gardening
SN  - 81870677x
U1  - 631.42 
PY  - 2006///
CY  - Delhi
PB  - Asiatic Publishing House
KW  - SOIL SCIENCE AND AGRICULTURAL CHEMISTRY
KW  - SOIL FERTILITY
ER  -