Use of sawdust for soil ph amendments |
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| Abstract: | Abstract Changes in pH values during 12 weeks incubation in soils treated with acidified sawdust (ACD‐SD)‐treated soils ranged from 5.03 to 5.89, from 9.88 to 10.35 in soil treated with alkalized sawdust (ALK‐SD), and ranged from pH 6.88 to 7.35 in untreated sawdust‐amended soil. In unamended soil, pH values were 6.80 to 7.35. Bacterial populations over the 12 weeks in ACD‐SD‐treated soils increased from 5×106 to 167×106 colonies while bacterial populations in ALK‐SD‐treated soils increased from 2×106 to 54×106. Fungal populations increased from 6×104 to 11,333×104 colonies per gram soil in ACD‐SD treated soils over the 12 week incubation. Untreated sawdust and control soil did not result in any significant changes in the fungal populations. |
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