2019
DOI: 10.1016/j.apsoil.2019.01.013
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Macroaggregates as biochemically functional hotspots in soil matrix: Evidence from a rice paddy under long-term fertilization treatments in the Taihu Lake Plain, eastern China

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Cited by 15 publications
(10 citation statements)
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“…Therefore, the EAs had been thought as closely dependent of SOC partioning among the aggregate fractions, so that SOC might serves as substrate for soil microorganisms and consequently would promote enzymes releasing into the soil (Chen et al, 2019). Following that reasoning, we found that the 2000-250 µm fractions showed the highest values of EA (except for SUL) together with highest SOC values, as is was observed in tillage soils (Li et al, 2019). CT favors soil macro-aggregates disruption, making SOC intra-aggregates available to be degraded by soil microorganisms and their extracellular enzymes (Dungait et al, 2012).…”
Section: Discussionsupporting
confidence: 69%
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“…Therefore, the EAs had been thought as closely dependent of SOC partioning among the aggregate fractions, so that SOC might serves as substrate for soil microorganisms and consequently would promote enzymes releasing into the soil (Chen et al, 2019). Following that reasoning, we found that the 2000-250 µm fractions showed the highest values of EA (except for SUL) together with highest SOC values, as is was observed in tillage soils (Li et al, 2019). CT favors soil macro-aggregates disruption, making SOC intra-aggregates available to be degraded by soil microorganisms and their extracellular enzymes (Dungait et al, 2012).…”
Section: Discussionsupporting
confidence: 69%
“…3), pointing out that soil aggregation and SOC were not directly affected by tillage system. Other studies have similarly found that soil type and physic-chemical parameters affected microbial community composition and catabolic functions more than long-term agricultural management practices (Dai et al, 2017, Guo et al, 2018, Li et al, 2019.…”
Section: Discussionmentioning
confidence: 93%
“…Microbial populations are spatially isolated and stabilized within soil aggregates, often regarded as “concurrent incubators” for the evolution of microbial communities inside ( Rillig et al, 2017 ). Therefore, variations in composition and function of microbial communities across aggregate-size fractions are increasingly addressed as microscale mechanisms in soil biogeochemical processes, owing to the controls on overall performance and the mediation of element cycling in soil ( Six et al, 2000 ; Rillig et al, 2017 ; Li et al, 2019c ; Wilpiszeski et al, 2019 ).…”
Section: Introductionmentioning
confidence: 99%
“…As a major C sequestration mechanism, the extent of microbes accessing to SOM under physical protection can be conferred by localization of microbial communities, extracellular enzyme activities, and carbon substrates among soil aggregates ( Dungait et al, 2012 ; Navarro-Garcia et al, 2012 ; Trivedi et al, 2017 ). Therefore, in agricultural management, organic fertilization is the most effective way to improve soil fertility by promoting SOM content, soil aggregation, and microbial activity ( Zhang et al, 2007 , 2015 ; Wang et al, 2017 ; Li et al, 2019c ).…”
Section: Introductionmentioning
confidence: 99%
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