Repeated measures ANOVA P value for the effects of treatment (T), crop growth stage (G), soil depth (D), and their interactions on soil invertase activity, urease activity, alkaline phosphatase activi
Values are means of three replicates. Values followed by the same lowercase letters are not significantly different among different cropping systems with the same P rate in one year at the 5% level by
Linear Model table of F and P values on the effects of plant diversity (PD: 1, 4 and 16 plant species) on mass enzyme activity of 1,4 -β-glucosidase, cellobiohydrolase, 1,4-β-N-acetyl-glucosaminidase,