Salinity-induced concomitant increases in soil ammonia volatilization and nitrous oxide emission

Li, Yawei; Xu, Junzeng; Liu, Shimeng; Qi, Zhiming; Li, Ang; Wei, Qi; Gu, Zhe; Liu, Xiaoyin; Hameed, Fazli

doi:10.1016/j.geoderma.2019.114053

Cited by 42 publications

(24 citation statements)

References 77 publications

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“…Other soil properties, such as soil pH, texture, organic matter content and CEC, may also indirectly affect volatilization , and these properties reduce the adsorption capacity of coastal saline soil for NH + 4 − N, resulting in high NH 3 volatilization (Weston et al, 2010). Interestingly, concurring with the results from other studies (Li et al, 2020;Sun et al, 2017;Ramos et al, 2011;Dendooven et al, 2010;Duan and Xiao, 2000;Zafar et al, 1998), NH 3 volatilization mainly occurred in the first 7-10 days, which may have been related to urea hydrolysis, nitrification and soil microbial biological activities (Li et al, 2020). Therefore, soil salt reduction may contribute to the reduction in ammonia volatilization in this area.…”

Section: Nh 3 Volatilizationsupporting

confidence: 88%

“…3b). In one study, compared with lower salinity levels, ammonia volatilization ranged between 11.7 and 22.1 kg ha − 1 (Li et al, 2020), which was less than the results in this study. The results of this study also showed that cumulative NH 3 volatilization in the first week accounted for 56.7% and 44.36% of the total NH 3 losses in 2018 and 2019, respectively.…”

Section: Nh 3 Volatilizationcontrasting

confidence: 88%

“…The results of this study also showed that cumulative NH 3 volatilization in the first week accounted for 56.7% and 44.36% of the total NH 3 losses in 2018 and 2019, respectively. Li et al (2020) found that cumulative NH 3 volatilization accounted for more than 85% of the total NH 3 losses from nonsaline soil within the first week after N fertilizer application, and the proportion declined with increasing soil salt.…”

Section: Nh 3 Volatilizationmentioning

confidence: 98%

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Nitrate leaching and NH3 volatilization during soil reclamation in the Yellow River Delta, China

Zhu

Yang

Yao

et al. 2021

Environmental Pollution

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Section: Nh 3 Volatilizationsupporting

confidence: 88%

Section: Nh 3 Volatilizationcontrasting

confidence: 88%

Section: Nh 3 Volatilizationmentioning

confidence: 98%

See 1 more Smart Citation

Nitrate leaching and NH3 volatilization during soil reclamation in the Yellow River Delta, China

Zhu

Yang

Yao

et al. 2021

Environmental Pollution

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“…Currently, researches on nitrification inhibitor DMPP are mainly focused on soil N transformation and N losses (Chen et al, 2019;Li et al, 2020b;Mateo-Marin et al, 2020;Vilarrasa-Nogue et al, 2020). Moreover, its effects on fruit quality and its application in apple orchards are rarely reported.…”

Section: Introductionmentioning

confidence: 99%

Nitrification Inhibitor 3,4-Dimethylpyrazole Phosphate Application During the Later Stage of Apple Fruit Expansion Regulates Soil Mineral Nitrogen and Tree Carbon–Nitrogen Nutrition, and Improves Fruit Quality

Wang

Jia

et al. 2020

Front. Plant Sci.

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In order to solve the problems of nitrogen (N) losses and fruit quality degradation caused by excessive N fertilizer application, different dosages of the nitrification inhibitor, 3,4dimethylpyrazole phosphate (DMPP) (0, 0.5, 1, 2, and 4 mg kg −1 soil), were applied during the later stage of 'Red Fuji' apple (Malus domestica Borkh.) fruit expansion in 2017 and 2018. The effects of DMPP on soil N transformation, carbon (C)-N nutrition of tree, and fruit quality were investigated. Results revealed that DMPP decreased the abundance of ammonia-oxidizing bacteria (AOB) amoA gene, increased the retention of NH 4 +-N, and decreased NO 3 −-N concentration and its vertical migration in soil. DMPP reduced 15 N loss rates and increased 15 N residual and recovery rates compared to the control. 13 C and 15 N double isotope labeling results revealed that DMPP reduced the capacity of 15 N absorption and regulation in fruits, decreased 15 N accumulation in fruits and whole plant, and increased the distribution of 13 C from vegetative organs to fruits. DMPP increased fruit anthocyanin and soluble sugar contents, and had no significant effect on fruit yield. The comprehensive analysis revealed that the application of 1 mg DMPP kg −1 soil during the later stage of fruit expansion effectively reduced losses due to N and alleviated quality degradation caused by excessive N fertilizer application.

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“…Nitrification (including nitrifier denitrification) and heterotrophic denitrification were considered to be the main sources of soil N 2 O production and their contributions to N 2 O production were affected by soil environmental factors and N substrate types [10], which have been extensively studied in non-saline soils [11][12][13]. However, little information exists regarding N 2 O production in saline soils and only a handful of recent studies suggested that salinity affects N 2 O emissions from soils [14][15][16][17]. Reddy and Grohn reported increased N 2 O emissions at higher soil salinity level (15.2-30.6 dS m −1 , EC of soil saturation extract) from a soil with high nitrate (NO 3 − -N) inputs at the beginning of the incubation [14].…”

Section: Introductionmentioning

confidence: 99%

Enhanced N2O Production Induced by Soil Salinity at a Specific Range

Liu

et al. 2020

IJERPH

Self Cite

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Nitrous oxide (N2O) as a by-product of soil nitrogen (N) cylces, its production may be affected by soil salinity which have been proved to have significant negative effect on soil N transformation processes. The response of N2O production across a range of different soil salinities is poorly documented; accordingly, we conducted a laboratory incubation experiment using an array of soils bearing six different salinity levels ranging from 0.25 to 6.17 dS m−1. With ammonium-rich organic fertilizer as their N source, the soils were incubated at three soil moisture ( θ ) levels—50%, 75% and 100% of field capacity ( θ fc )—for six weeks. Both N2O fluxes and concentrations of ammonium, nitrite and nitrate (NH4+-N, NO2−-N and NO3−-N) were measured throughout the incubation period. The rates of NH4+-N consumption and NO3−-N accumulation increased with increasing soil moisture and decreased with increasing soil salinity, while the accumulation of NO2−-N increased first then decreased with increasing soil salinity. N2O emissions were significantly promoted by greater soil moisture. As soil salinity increased from 0.25 to 6.17 dS m−1, N2O emissions from soil first increased then decreased at all three soil moisture levels, with N2O emissions peaking at electric conductivity (EC) values of 1.01 and 2.02 dS m−1. N2O emissions form saline soil were found significantly positively correlated to soil NO2−-N accumulation. The present results suggest that greater soil salinity inhibits both steps of nitrification, but that its inhibition of nitrite oxidation is stronger than that on ammonia oxidation, which leads to higher NO2−-N accumulation and enhanced N2O emissions in soil with a specific salinity range.

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Salinity-induced concomitant increases in soil ammonia volatilization and nitrous oxide emission

Cited by 42 publications

References 77 publications

Nitrate leaching and NH3 volatilization during soil reclamation in the Yellow River Delta, China

Nitrate leaching and NH3 volatilization during soil reclamation in the Yellow River Delta, China

Nitrification Inhibitor 3,4-Dimethylpyrazole Phosphate Application During the Later Stage of Apple Fruit Expansion Regulates Soil Mineral Nitrogen and Tree Carbon–Nitrogen Nutrition, and Improves Fruit Quality

Enhanced N2O Production Induced by Soil Salinity at a Specific Range

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