Oxidoreductase enzymes liberated by plant roots and their effects on soil humic material

abonos degradation drought stress engrais enzimas enzyme enzymes espectrometria esterasas esterase esterases excretion exsudat extractos extracts extrait exudados exudates fabaceae fertilizers gramineae humus leguminosae oxidoreductases oxidorreductasas peroxidases plantas plante plants poaceae proteasas protease proteases racine roots soil sol solanaceae spectrometrie spectrometry spectrophotometry suelo triacilglicerol lipasa triacylglycerol lipase water stress