Effect of livestock manure on chlortetracycline sorption behaviour and mechanism in agricultural soil in Northwest China

Jiang, Yufeng; Liang, Xinru; Yuan, Longmiao; Nan, Zhijiang; Deng, Xueru; Wu, Yingqin; Ma, Fengfeng; Diao, Jinru

doi:10.1016/j.cej.2021.129020

Cited by 26 publications

(2 citation statements)

References 53 publications

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“…Most previous studies have suggested that soil organic matter could buffer exogenous acids by neutralizing and consuming protons through the dissociation of acidic oxygen-containing functional groups (i.e., carboxyl, phenolic hydroxyl, and alcohol hydroxyl). These functional groups exert strong adsorption effects on cations, which could reduce the effectiveness of soil cations and increase the content of base cations, thus improving soil pHBC 6,34,35 .…”

Section: Discussionmentioning

confidence: 99%

Acidity reduction receiving long-term pig manure application in red soil

Luo

Sun

Feng

et al. 2023

Preprint

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While the application of manure to improve soil quality has attracted attention, the effect of pig manure application rates on soil fertility and acidity remains poorly understood. This study analyzed the changes in and correlations between soil acidity, pH buffer capacity (pHBC), soil chemical properties and crop yields after 8 years of pig manure application at different rates (i.e., 0, 7.5, 15, 30, and 45 t·ha-1) in red soil. Crop yield, soil nutrients, pH, pHBC, iron activation, and exchangeable base cations increased with increased pig manure application rates. Soil fertility and pHBC were significantly enhanced when the application rate was larger than 15 t·ha-1. At 30 and 45 t·ha-1, pH values increased significantly while exchangeable acid decreased (41.3% and 52.8%) compared to no pig manure input. Crop yields were positively related to soil pH, but negatively correlated with soil exchangeable hydrogen and exchangeable aluminum. Redundancy analysis revealed pH and pHBC to be positively correlated with exchangeable base cations, total phosphorus, total nitrogen, soil organic carbon, and amorphous iron oxide. In conclusion, crop yield could be improved by adjusting soil acidity characteristics, and the application of pig manure reduced soil acidity, with an optimal application rate of 15–30 t·ha-[1]. [1]Hunan Soil and Fertilizer Institute, Changsha, 410125, China. 2Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences/ Key Laboratory of Agricultural Environment, Ministry of Agriculture and Rural Affairs of P.R.China, 100081, Beijing, China. 3Hunan Agricultural University, Changsha, 410128, China. *email: longzd313@hunaas.cn; sungeng@hunaas.cn.

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Section: Discussionmentioning

confidence: 99%

Acidity reduction receiving long-term pig manure application in red soil

Luo

Sun

Feng

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Previous studies have suggested that soil organic matter could buffer exogenous acids by neutralizing and consuming protons through the dissociation of acidic oxygen-containing functional groups (i.e., carboxyl, phenolic hydroxyl, and alcohol hydroxyl). These functional groups exert strong absorption effects on cations, which could reduce the effectiveness of soil cations and increase the content of base cations, thus improving soil pHBC [6,37,38].…”

Section: Promotion Of Phbc In Red Soil By Pig Manurementioning

confidence: 99%

Long-Term Application of Pig Manure to Ameliorate Soil Acidity in Red Upland

Luo,

Long,

Sun

et al. 2023

Agriculture

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While the application of manure to improve soil quality has attracted attention, the effect of pig manure application rates on soil acidity remains poorly understood. In this study, we analyzed the changes and correlations between soil acidity, pH buffer capacity (pHBC), soil chemical properties, and crop yields after 8 years of pig manure application at different rates (i.e., 0, 7.5, 15, 30, and 45 Mg ha−1) in a red upland soil (Ultisol). With an increase in the application rates, the crop yields were 0.77–8.85 times higher; the pH was enhanced by 0.4–0.8 units; and the soil organic matter (SOM), pHBC, iron activation (Feo), exchangeable calcium (ExCa), and exchangeable magnesium (ExMg) contents increased by up to 74.1%, 92.7%, 36.7%, 62.2%, and 48.7%, respectively, whereas that of total exchangeable acid (ExAcid) decreased by 17.2–52.9%. The crop yields were positively related to the soil pH but negatively correlated with ExAcid. Redundancy analysis revealed ExAcid and pHBC were more sensitive than pH was to the other chemical indicators. ExAcid was negatively correlated with SOM and ExCa; pHBC was positively correlated with ExMg, TN, SOM, and Feo. In conclusion, the crop yield could be improved by adjusting the soil acidity characteristics, and the application of pig manure reduced the soil acidity, with an optimal application rate of 15 Mg·ha−1.

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Adsorption/desorption of enrofloxacin in farmland soil as the effect of pH and coexisting ions: implications for enrofloxacin fate and risk in loess soil

Wu,

Jiang,

et al. 2024

Environ Geochem Health

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Effect of livestock manure on chlortetracycline sorption behaviour and mechanism in agricultural soil in Northwest China

Cited by 26 publications

References 53 publications

Acidity reduction receiving long-term pig manure application in red soil

Acidity reduction receiving long-term pig manure application in red soil

Long-Term Application of Pig Manure to Ameliorate Soil Acidity in Red Upland

Adsorption/desorption of enrofloxacin in farmland soil as the effect of pH and coexisting ions: implications for enrofloxacin fate and risk in loess soil

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