Assertion: enzyme's ph | /r/HasProperty | chantigny et al.
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text: Similarly, surface application (unincorporated) of anaerobically stored liquid pig manure (pH 7.7) to a loamy soil (pH 5.9) increased soil pH 8 in the top 2 cm for 2 days, but it declined to pH 7 in the top 5 cm within 9 days of manure application (Chantigny et al., 2004).