DDie Fruchtbarkeit der ErdeDie Fruchtbarkeit der Erdede Pfeiffer, EhrenfriedMateriasOrganic farmingEdiciones (1)Die Fruchtbarkeit der Erde (1977)Rudolf Geering-Verlag · alemánMás obras de Pfeiffer, EhrenfriedSShort practical instructions in the use of the biological-dyShort practical instructions in the use of the biological-dynamic methods of agricultureḤḤaḳlaʾut biyo-dinamitḤaḳlaʾut biyo-dinamitFFormative forces in crystallizationFormative forces in crystallization
SShort practical instructions in the use of the biological-dyShort practical instructions in the use of the biological-dynamic methods of agriculture
