Mineralduengung nach guter fachlicher Praxis.

abonos de oligoelementos abonos fosfatados abonos nitrogenados abonos potasicos abonos sulfurados agricultura alternativa agricultural and rural legislation agriculture alternative alternative farming ammonia ammoniac ammonium nitrate ammonium sulphate beta vulgaris bosques brassica napus calcium fertilizers calcium nitrate combinaciones de abonos deficiencia de oligoelementos droit agricole et rural engrais calcique engrais potassique farmyard manure fertilizer combinations forests fumier magnesium fertilizers meadows micronutrient fertilizers nitrate de calcium nitrato de amonio nitrato de calcio nitrogen fertilizers pastizales pastures ph phosphate fertilizers potash fertilizers prados de siega prairie de fauche sulfato de amonio sulphur fertilizers superfosfato superphosphate trace element deficiencies triticum urea uree