Contrasting effects of inorganic and organic fertilisation regimes on shifts in Fe redox bacterial communities in red soils

Wen, Yongli; Xiao, Jian; Liu, Feifei; Goodman, B. A.; Li, Wei; Jia, Zhongjun; Wei, Ran; Zhang, Ruifu; Shen, Qirong; Yu, Guanghui

doi:10.1016/j.soilbio.2017.11.003

Cited by 56 publications

(33 citation statements)

References 91 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Microbial diversity plays a key role in regulating extracellular O 2 ̶ concentration in the environments (Diaz et al, 2016), which may also affect soil H 2 O 2 levels. In the three long-term agroecosystem experiments examined, the effect of organic fertilization treatment on bacterial diversity (Figure 2 and Table S5) was similar to numerous previous reports (Leff et al, 2015;Ling et al, 2016;Wen et al, 2018;Xun et al, 2016). Soil biodiversity had a negative and strong correlation with soil H 2 O 2 but a positive correlation with dissolved Fe in the long-term agroecosystem experiments (Table 2).…”

Section: Factors Influencing Soil H 2 Osupporting

confidence: 85%

“…The presence of roots could mobilize Fe in soils directly by root exudates and indirectly by structuring microbial communities (Wen et al, 2018). Subsequently, the mobilized Fe will affect soil H 2 O 2 levels ( Figure 3d and Table S9).…”

Section: Soil H 2 O 2 In Response To Fertilization Treatments and Tmentioning

confidence: 99%

“…Specifically, fertilization regimes alter microbial communities (Wen et al, 2018;Xun et al, 2016), soil pH (Guo et al, 2010), and mobilize iron (Xiao et al, 2016;Yu et al, 2017), which further affect the free radical reaction. Specifically, fertilization regimes alter microbial communities (Wen et al, 2018;Xun et al, 2016), soil pH (Guo et al, 2010), and mobilize iron (Xiao et al, 2016;Yu et al, 2017), which further affect the free radical reaction.…”

Section: Mechanisms Of Soil C Stability and Storage Through Microbimentioning

confidence: 99%

“…China formed much more ferrihydrite (i.e., the most mobile Fe oxides) than that in inorganic amended soils, owing to Fe redox cycling bacteria present at higher abundance and diversity in the former but lower in the latter (Wen et al, 2018). A low soil H 2 O 2 level was accompanied with high bacterial diversity and mobilization of iron (Figures 1-3 and Tables S4-S8), suggesting that the iron mobilized by high bacterial diversity may be responsible for the decay of soil H 2 O 2 through a free radical reaction (Equations 1 and 2).…”

Section: Factors Influencing Soil H 2 Omentioning

confidence: 99%

“…This catalysis reaction may be triggered by organic inputs to soils due to (a) enhanced microorganism activity (Shahzad et al, 2015) et al, 2019) or (b) increased mineral availability and alteration of mineral species (Ding, Su, Xu, Jia, & Zhu, 2015;Wen et al, 2018;Yu et al, 2017), which may act as catalysts and nanocatalysts to react with H 2 O 2 via Fenton-like reactions (Garrido-Ramírez, Theng, & Mora, 2010;Georgiou et al, 2015;Petigara et al, 2002): To test these hypotheses, we examined the effect of organic inputs on soil biodiversity and iron availability within three well-controlled long-term (25-29 year) agroecosystem experiments across the major agricultural zones from temperate northern to subtropical southern China ( Figure S1). …”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Influence of biodiversity and iron availability on soil peroxide: Implications for soil carbon stabilization and storage

Sun

Liu

et al. 2019

Land Degrad Dev

Self Cite

View full text Add to dashboard Cite

Intensive agriculture results in soil degradation, especially with the depletion of soil organic carbon (SOC). Application of organic fertilizers (e.g., animal manures) alone or combined with chemical fertilizers can alleviate soil degradation by increasing soil C while causing variations in soil hydrogen peroxide (H 2 O 2 ) and iron availability.However, the underlying relationships among soil H 2 O 2 production, iron availability, and soil C storage following organic fertilization remain poorly understood. By combining results from three agroecosystem experiments from temperate northern to subtropical southern China with 25-29 years of different fertilization treatments (no fertilization, Control; inorganic nitrogen, phosphorus and potassium fertilization [NPK]; NPK plus manure [NPKM]), here, we show that NPK treatments increased soil H 2 O 2 but decreased biodiversity (i.e., Shannon index) and SOC compared with NPKM treatments across all of the three experiments. In all of the examined soils, the contents of H 2 O 2 were approximately 0.7-to 7-fold higher under NPK treatment than under Control or NPKM treatments. The contents of H 2 O 2 were significantly affected by the fertilization regimes, experimental places, and their interaction. Compared with Control and NPKM treatments, NPK treatment decreased Shannon index to the greatest extent (~1.5) at the Qiyang experiment in subtropical southern China, followed by Jinxian (~0.6) in subtropical southern China, and Gongzhuling (~0.3) in temperate northern China. There was a significant and negative correlation between soil H 2 O 2 and Shannon index or mobilized iron, indicating that high biodiversity and high mobilized iron were beneficial to the decay of soil H 2 O 2 . Results from microcosm experiments support the field observations, implying that the occurrence of microbial-mediated Fenton-like reactions or free radical reactions was influenced by organic inputs. Together, these findings suggest that long-term manure inputs to soil initialize free radical reactions by activating microbial communities and mobilizing iron, providing benefits for soil C stabilization and storage by increasing recalcitrance and SOC interactions.

show abstract

Section: Factors Influencing Soil H 2 Osupporting

confidence: 85%

Section: Soil H 2 O 2 In Response To Fertilization Treatments and Tmentioning

confidence: 99%

Section: Mechanisms Of Soil C Stability and Storage Through Microbimentioning

confidence: 99%

Section: Factors Influencing Soil H 2 Omentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Influence of biodiversity and iron availability on soil peroxide: Implications for soil carbon stabilization and storage

Sun

Liu

et al. 2019

Land Degrad Dev

Self Cite

View full text Add to dashboard Cite

show abstract

Organic–Inorganic Fertilization Shifts Dissolved Organic Matter Chemodiversity in Runoff From Tropical Cropland: Roles of Soil Nutrient Stoichiometry

Wu,

Zhang

et al. 2024

Land Degrad Dev

View full text Add to dashboard Cite

Dissolved organic matter (DOM) is a crucial quality indicator for water health. However, it remains unknown how organic–inorganic fertilization differently shifts the DOM chemodiversity in cropland‐impacted runoff, especially the roles of terrestrial nutrient stoichiometry. Here, a field experiment subjected to 7‐year history of four fertilization regimes, that is, unfertilized (CK), chemical fertilization (NPK), straw return (SR), and NPK + SR, was conducted to examine the quantity and chemodiversity of runoff DOM in tropical China. Moreover, the ecological relationships between runoff DOM properties and soil C:N:P stoichiometry were evaluated. Relative to the control treatment, the carbon content (DOC) of runoff DOM increased by 29.20% and 48.82% under SR and NPK + SR treatments, but remained unchanged in NPK treatment. Conversely, the DOM nitrogen content (TDN) only elevated in NPK treatment (262.58%). For DOM chemodiversity, SR treatment was rich in methyl carbon and protein‐like substances, but lacked fulvic‐/humic‐like compounds. NPK treatment increased the hydrophilic compounds like amino acids and polysaccharides, while reducing aromaticity. NPK + SR treatment enhanced DOM's aromaticity, molecular weight and humification due to the enrichment of quinone, ketone and fulvic‐like substances, possibly shaping an oligotrophic aquatic microbial community. Further study revealed that the occurrence of aromatic DOM was positively correlated with soil moisture content, TK (total potassium), total organic carbon and stoichiometric N:P ratio, indicating the contribution of terrestrial straw‐decomposed products. Inversely, the accumulation of hydrophilic substances (e.g., TDN) correlated positively with soil NO3‐N and C:P ratio, indicating the contribution of endogenous DOM.

show abstract

Nine‐year organic fertilization enhances poorly crystalline iron hydroxide formation and phosphorus availability in a temperate rice–wheat cropping system

Qin

Han

Jia

et al. 2023

Soil Science Soc of Amer J

Self Cite

View full text Add to dashboard Cite

Phosphorus (P) is typically associated with iron (Fe) hydroxides in paddy soils. Our study investigated the impact of different fertilization treatments on the availability of P regulated by Fe redox transformation in a rice (Oryza sativa L.)–wheat (Triticum aestivum L.) cropping system in the mid‐low reaches of the Yangtze River. Five fertilization treatments were examined: control (CK), chemical fertilizer (CF), 35% CF (P) plus pig manure compost (CFM), 100% CF (P) plus straw (CFS), and 35% CF (P) plus pig manure compost and straw (CFMS). Nine‐year rice–wheat rotations increased the oxalate‐extractable poorly crystalline Fe hydroxides (i.e., Feo) by 33%–87% compared with the initial soil, while fertilization further accelerated this process. Compost application increased the proportion of labile P by 75%–108% and decreased the proportion of non‐labile P by 14%–22% compared with the single chemical fertilization treatment. Furthermore, organic fertilization increased the mass proportions of macroaggregates and macroaggregate‐associated labile P. The Feo was positively correlated with the content of labile P but negatively correlated with the proportion of non‐labile P. Moreover, the reductive dissolution of Fe hydroxides was accompanied by the transformation of P from NaOH‐extractable to NaHCO3‐ and H2O‐extractable phases. These results indicate that seasonal alternation of drying and wetting can progressively drive the redox transformation of Fe hydroxides and promote the formation of Feo, thereby affecting the availability of P. Therefore, we suggested that P fertilizer should be reduced in the rice season due to the reduction of Fe hydroxides, particularly in the compost‐amended soils in the temperate rice–wheat cropping system.

show abstract

Contrasting effects of inorganic and organic fertilisation regimes on shifts in Fe redox bacterial communities in red soils

Cited by 56 publications

References 91 publications

Influence of biodiversity and iron availability on soil peroxide: Implications for soil carbon stabilization and storage

Influence of biodiversity and iron availability on soil peroxide: Implications for soil carbon stabilization and storage

Organic–Inorganic Fertilization Shifts Dissolved Organic Matter Chemodiversity in Runoff From Tropical Cropland: Roles of Soil Nutrient Stoichiometry

Nine‐year organic fertilization enhances poorly crystalline iron hydroxide formation and phosphorus availability in a temperate rice–wheat cropping system

Contact Info

Product

Resources

About