Franz Augstburger2026-03-222026-03-22198310.1016/0167-8809(83)90084-1https://doi.org/10.1016/0167-8809(83)90084-1https://andeanlibrary.org/handle/123456789/59307Citaciones: 10enAgronomyFertilizerCompostManurePhosphorusAgricultureEnvironmental sciencePopulationPhosphate fertilizerOrganic fertilizerAgronomic and economic potential of manure in Bolivian valleys and highlandsarticle