Figure 4. Changes of bacterial (a-1–c-1), fungal (a-2–c-2) and actinomycetes (a-3–c-3) communities populations in calcium cyanamide (a-1–a-3), ammonium bicarbonate and lime mixture (b-1–b-3) and ammonia water (c-1–c-3) treatments.

Data are the means ± SD (n = 4) shown by vertical error bars. The explanations of treatment abbreviations are referred to Table 2.