Table 4.
SPAD values after 35 days of growth for maize and 28 days for tomato plants for the different fertilizer treatments (control, compost and vermicompost) with (EW+) or without (EW−) earthworms. Standard errors are in parentheses, n = 5. Different letters indicate significant differences (ANOVA for plant cultivation, LSD test, P < 0.05).