01 មករា 1989 Agromisa would like to stress from the start that use of chemical pesticides should be completely avoided wherever possible. All options for using alternative, non-chemical methods of crop protection should be explored first. Only if none of these are possible should chemical control be...
01 មករា 1998 *Disponible solo en español. Esta colección de 6 libros incluye información sobre: Plantaciones de arboles Bloques Nutricionales Manejo Integrado de Plagas Biodigestor Abonos Organicos Manejo seguro de plauicidas