Fig. 2From: Pre-activated biochar by fertilizers mitigates nutrient leaching and stimulates soil microbial activitySoil enzyme activities. Properties—a dehydrogenase, b β-glucosidase, c phosphatase, d N-acetyl-β-D-glucosaminidase, e urease, f arylsulfatase. Mean values (n = 6) ± standard error of mean, different letters indicate differences among treatments at the statistical level of significance p ≤ 0.05Back to article page