Influence of nitrogen concentration and form in the nutrient solution on N2O and N2 emissions from a soilless culture system

abonos nitrogenados air du sol aire del suelo application rates cucumis sativus cultivo sin tierra cultivos de invernadero culture sans sol denitrification dose d'application formulaciones formulation formulations greenhouse crops laine de roche lana mineral nitrogen fertilizers nitrous oxide oxyde nitreux plante de serre rockwool soil air soilless culture