Production of ammonium nitrate - environmental, energy and safety aspects

abonos abonos nitrogenados amendement du sol ammonium fertilizers ammonium nitrate consumo de energia energy consumption engrais enmiendas del suelo fabrication des engrais fertilizer technology fertilizers lutte antipollution nitrate d'ammonium nitrate fertilizers nitrato de amonio nitrogen fertilizers pollution control production safety at work seguridad en el trabajo soil amendments spraying