Procyanidin inhibited N2O emissions from paddy soils by affecting nitrate reductase activity and nirS- and nirK-denitrifier populations

Ye, Mujun; Yin, Chang; Fan, Xiaoping; Gao, Zixiang; Chen, Hao; Tan, Li; Chang, Scott X.; Zhao, Yanfang; Liang, Yongchao

doi:10.1007/s00374-021-01576-y

Cited by 18 publications

(7 citation statements)

References 71 publications

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“…Previous research has demonstrated that PDR increases with greater NO 3 − ‐N levels (L. F. Chen et al, 2019; H. L. Wang et al, 2019) due to the heightened activity and abundance of denitrifying bacteria in the presence of elevated NO 3 − ‐N levels (Xiao et al, 2021). Additionally, the NO 3 − ‐N content increased along with the enzymatic activity of denitrification, including nitrate reductase activity (Ye et al, 2021) and nitrite reductase activity (Xu et al, 2023). It is necessary for organic carbon to be available as a substitute electron donor and for NO 3 − ‐N to be available as an electron acceptor for the facultative process of denitrification (Attard et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

“…Additionally, the NO 3 À -N content increased along with the enzymatic activity of denitrification, including nitrate reductase activity (Ye et al, 2021) and nitrite reductase activity (Xu et al, 2023). It is necessary for organic carbon to be available as a substitute electron donor and for NO 3 À -N to be available as an electron acceptor for the facultative process of denitrification (Attard et al, 2011).…”

Section: Relative Importance Of Edaphic Factors and Denitrifiers For ...mentioning

confidence: 99%

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Cultivation increased soil potential denitrification rates by modifying denitrifier communities in desert‐oasis ecotone

Wang,

He,

Wang

et al. 2023

European J Soil Science

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Oases soils in northwestern China are widely used for agricultural production, but low soil moisture and fertility necessitate high volumes of irrigation and fertilization, with significant losses of water via evaporation and nitrogen via denitrification. The dynamics of denitrifying communities and their responses to potential denitrification rate (PDR) in continuously‐irrigated oases remain unclear. In this study, we examined the dynamics of nirK and nirS denitrifying communities in three distinct areas: an old oasis field (OOF, 54 years of cultivation), a young oasis field (YOF, 20 years), and an adjacent uncultivated sandy land (USL, 0 years), and used the partial least squares path model (PLS‐PM) to predict how and to what extent soil properties and denitrifying communities may be responsible for changes in PDR. Our findings indicate that cultivation, compared to the USL treatment, improved soil structure and fertility, increased the abundance and diversity of denitrifying microbes, resulting in a further elevation of soil PDR in YOF and OOF. Additionally, our analysis highlights the potential dominance of the nirK gene in denitrification. PLS‐PM revealed that soil chemical properties and microbial biomass indirectly affected soil PDR by regulating the abundance and diversity of nirK and nirS genes. Conversely, soil physical properties had a direct negative impact on PDR. Alterations in PDR were, in part, attributed to changes in abundance, richness, and beta‐diversity, but not correlated with changes in alpha‐diversity. Notably, the standardized total effect demonstrated that the denitrifier community exhibited greater responsiveness to changes in PDR than did soil properties. Overall, our findings suggest that the denitrifying communities may play a more important role than soil properties in PDR and an increased understanding of the denitrifying communities allows PDR prediction during conversion of oasis to cultivated land conversion.This article is protected by copyright. All rights reserved.

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Section: Discussionmentioning

confidence: 99%

Section: Relative Importance Of Edaphic Factors and Denitrifiers For ...mentioning

confidence: 99%

Cultivation increased soil potential denitrification rates by modifying denitrifier communities in desert‐oasis ecotone

Wang,

He,

Wang

et al. 2023

European J Soil Science

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“…Two series of incubations were then carried out, both with the addition of NO 3 − (25 mL KNO 3 solution 7 mM). The first series was incubated in the presence of acetylene (7 mL) to totally inhibit the reduction of N 2 O into N 2 (Yoshinari et al 1977;Ye et al 2021), N 2 O therefore being the final product of the denitrification process. The second series was incubated without the addition of acetylene, the fate of the N 2 O produced being either its accumulation in the flask or its reduction into N 2 , depending on the N 2 O reductase functionality.…”

Section: Methodsmentioning

confidence: 99%

Hysteretic response of N2O reductase activity to soil pH variations after application of lime to an acidic agricultural soil

et al. 2023

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N 2 O contributes to increasing the greenhouse effect and is also involved in stratospheric ozone depletion. In soil and water, N 2 O reductase catalyses the reduction of N 2 O into the inert form N 2 . N 2 O reductase activity is known to be affected by acidic conditions and the application of liming materials to acidic soils is now proposed as a solution for mitigating soil N 2 O emissions. During a one-year laboratory experiment, we studied the functioning of N 2 O reductase after the application of calcium carbonates to an acidic soil with a very low capacity to reduce N 2 O. The functioning of N 2 O reductase was characterised through anaerobic incubations using the acetylene inhibition technique combined with a logistic model to determine the main enzyme functioning characteristics (latency, maximal rate). Both changes in soil pH and soil capacity to reduce N 2 O were rapidly observed after the application of lime materials. The activity of N 2 O reductase was observed to be efficient throughout the experiment even when the soil had returned to initial acidic conditions, revealing a hysteretic response of N 2 O reductase to pH variations. Nevertheless, some signs of lower N 2 O reductase activity over time were observed mainly after 200 days of applying lime materials. Altogether, these results suggest that, in this soil condition, the beneficial impact of the application of liming materials on N 2 O emissions could last longer than this on soil pH.

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“…Studies have shown that the main processes determining N 2 O emissions include the nitrification and denitrification of soil N [5,42]. When the paddy field was flooded, insufficient O 2 supplication promoted N 2 O production through denitrification, and the generated N 2 O was further reduced to N 2 .…”

Section: Effects Of Microplastic On N 2 O Emissionmentioning

confidence: 99%

“…With the global population growing, farmers rely on nitrogen (N) fertilizer to enhance the rice production [2,3]. However, excessive N fertilizer application has resulted in a large quantity of reactive N (Nr) losses in rice production systems, particularly via NH 3 volatilization and N 2 O emission [4,5]. De et al (2007) estimated that the NH 3 volatilization losses could account for 10-60% of the total N fertilizer applied during the rice growth season [6].…”

Section: Introductionmentioning

confidence: 99%

Microplastic Has No Effect on Rice Yield and Gaseous N Emission from an Infertile Soil with High Inorganic N Inputs

Wu,

Lu,

et al. 2024

Plants

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Microplastic might affect the crop yield, nitrogen (N) use efficiency and reactive N losses from agricultural soil systems. However, evaluation of these effects in infertile soil planted with different rice cultivars is lacking. We conducted a soil column experiment to determine the influence of a typical microplastic polyethylene (PE) input into an infertile soil with 270 kg N ha−1 and planted with two rice cultivars, i.e., a common rice Nangeng 5055 (NG) and a hybrid rice Jiafengyou 6 (JFY). The results showed that JFY produced a significantly (p < 0.05) greater grain yield than NG (61.6–66.2 vs. 48.2–52.5 g pot−1) but was not influenced by PE. Overall, PE hardly changed the N use efficiency of NG and JFY. Unexpectedly, PE significantly (p < 0.05) increased the total amino acid content of NG. Compared with JFY, NG volatilized significantly (p < 0.05) more ammonia (NH3) (0.84–0.92 vs. 0.64–0.67 g N pot−1) but emitted equal nitrous oxide (N2O). PE exerted no effect on either NH3 volatilization or the N2O emission flux pattern and cumulative losses of the rice growth cycle, whether with NG or JFY. Some properties of tested soils changed after planting with different rice cultivars and incorporating with microplastic. In conclusion, the rice production, N use efficiency, NH3 volatilization and N2O emission from the N-fertilized infertile soil were pronouncedly influenced by the rice cultivar, but not the PE. However, PE influenced the grain quality of common rice and some properties of tested soils with both rice cultivars.

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Procyanidin inhibited N2O emissions from paddy soils by affecting nitrate reductase activity and nirS- and nirK-denitrifier populations

Cited by 18 publications

References 71 publications

Cultivation increased soil potential denitrification rates by modifying denitrifier communities in desert‐oasis ecotone

Cultivation increased soil potential denitrification rates by modifying denitrifier communities in desert‐oasis ecotone

Hysteretic response of N2O reductase activity to soil pH variations after application of lime to an acidic agricultural soil

Microplastic Has No Effect on Rice Yield and Gaseous N Emission from an Infertile Soil with High Inorganic N Inputs

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