1998
DOI: 10.1016/s0038-0717(97)00094-1
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Effects of acidity on mineralization: pH-dependence of organic matter mineralization in weakly acidic soils

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Cited by 295 publications
(157 citation statements)
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“…Soil C/N ratio and pH can change the microbial population and activity (Helfrich et al 2008). The short-term microbial responses might also be related to the increased solubility of organic matter with the increase in soil pH (Curtin et al 1998). The increased pH values in the original low pH soil could also enhance the availability of nutrients and consequently increase soil microbial biomass (Atkinson et al 2010;Warnock et al 2010).…”
Section: Discussionmentioning
confidence: 99%
“…Soil C/N ratio and pH can change the microbial population and activity (Helfrich et al 2008). The short-term microbial responses might also be related to the increased solubility of organic matter with the increase in soil pH (Curtin et al 1998). The increased pH values in the original low pH soil could also enhance the availability of nutrients and consequently increase soil microbial biomass (Atkinson et al 2010;Warnock et al 2010).…”
Section: Discussionmentioning
confidence: 99%
“…Owing to the expanded structure and the net negative charge, the molecule can be fully penetrated by water (Tombácz and Rice 1999), therefore it becomes hydrophilic. As a result, the bonding between organic compounds and soil particles decreases, making organic substances more available for microbial consumption (Curtin et al 1998). …”
Section: Resultsmentioning
confidence: 99%
“…The depression of mineralisation by soil acidity, and increases in net mineralisation after liming has been observed in a number of studies (Fu et al 1987;Sapek 1997;Curtin et al 1998). There are generally 2 explanations put forward to account for the stimulatory effect of increased pH.…”
Section: Discussionmentioning
confidence: 98%
“…The first is that liming eliminates the H + /Al 3+ toxicity and/or Ca 2+ deficiency that inhibit the microbial biomass in an acidic soil (Adams and Martin 1984). The second explanation is that an increase in pH can increase the availability of substrate for mineralising organisms by increasing the amount of soluble organic material (Curtin et al 1998). …”
Section: Discussionmentioning
confidence: 99%