TY  - BOOK
AU  - Nature Farming International Research Foundation.
ED  - International Conference on Nature Farming
TI  - Proceedings
U1  - 631.584 
PY  - 1990///
CY  - Shizouka
PB  - Nature Farming International Research Foundation
KW  - Agricultura orgánica
KW  - Congresos
KW  - Ecología agrícola
KW  - Nutrición
ER  -