acid phosphomonoesterase; alkP: alkaline phosphomonoesterase; aryS: arylsulfatase; chit: chitinase; ester: acetate-esterase; gluc: -glucosidase; leu: leucineaminopeptidase;
DSM&LF: defatted seed meal and liquid formulation; ns: not significant. For each soil, values in columns followed by the same letter do not differ after
ANOVA analysis (l.s.d test, p < 0.05