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Index of the influence of Zea mays (IFZm) on the activity of soil enzymes. Deh—dehydrogenases; Cat—catalase; Ure—urease; Pac—acid phosphatase; Pal—alkaline phosphatase; Aryl—arylsulfatase; Glu—β-glucosidase; C—soil uncontaminated; Pr—soil contaminated with permethrin; Cp—soil contaminated with cypermethrin; BA—index of soil biochemical fertility.
