Patterns and drivers of soil net nitrogen mineralization and its temperature sensitivity across eastern China

Li, Xiang; Wang, Achen; Huang, Daqing; Qian, Hang; Luo, Xuesong; Chen, Wenli; Huang, Qiaoyun

doi:10.1007/s11104-022-05843-1

Cited by 3 publications

(1 citation statement)

References 65 publications

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“…Chitin in Cipangopaludina chinensis shell powder was added to the soil and rapidly decomposed and metabolized to provide nutrients for microorganisms in the soil to promote microbial respiration [14]. Orange peel biochar and Cipangopaludina chinensis shell powder are used as external carbon sources to promote the growth of soil microorganisms and decompose organic carbon in soil [38]. In this study, the addition of biochar and Cipangopaludina chinensis shell powder significantly increased soil organic carbon content, which was consistent with the research conclusions of Cross [39] and Zhao [35].…”

Section: Effects Of Adding Orange Peel Biochar and Cipangopaludina Ch...mentioning

confidence: 99%

Effects of Orange Peel Biochar and Cipangopaludina chinensis Shell Powder on Soil Organic Carbon Transformation in Citrus Orchards

Qin

Zhou

et al. 2023

Agronomy

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In view of the continuous decline in organic carbon content in citrus orchard soil, to explore the effects of biochar and farmland waste on the transformation of organic carbon in citrus orchard soil. In this study, the soil of a citrus orchard in Yangshuo County, Guilin, Guangxi, China, was collected. The citrus peel and the Cipangopaludina chinensis shell were used as raw materials, the citrus peel was used to prepare biochar, and the Cipangopaludina chinensis shell was powdered. The materials were added to the soil in different proportions. A 30-day indoor incubation soil was conducted to investigate the effects of adding different proportions of citrus peel biochar and Cipangopaludina chinensis shell powder on the transformation of organic carbon in citrus orchard soil. Compared with the control group, the addition of 4% orange peel biochar, 2% orange peel biochar + 2% Cipangopaludina chinensis shell powder, 2.6% orange peel residue biochar + 1.3% Cipangopaludina chinensis shell powder, and 3% orange peel biochar + 1% Cipangopaludina chinensis shell powder increased soil organic carbon by 22.49%, 20.06%, 19.81%, and 21.35%, respectively. Compared with the control, 2.6% orange peel biochar + 1.3% Cipangopaludina chinensis shell powder had the best effect on the improvement of soil organic carbon components, and microbial biomass carbon (MBC), dissolved organic carbon (DOC) and readily oxidized organic carbon (ROC) increased by 19.81%, 64.88%, 67.81%, and 19.44%, respectively. Different proportions of orange peel residue biochar and Cipangopaludina chinensis shell powder were applied to the soil of the citrus orchard to effectively increase the soil organic carbon component content and enzyme activities. This study provides a theoretical basis for the carbon sequestration mechanism of citrus orchard soil using different proportions of orange peel residue biochar and Cipangopaludina chinensis shell powder.

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Section: Effects Of Adding Orange Peel Biochar and Cipangopaludina Ch...mentioning

confidence: 99%

Effects of Orange Peel Biochar and Cipangopaludina chinensis Shell Powder on Soil Organic Carbon Transformation in Citrus Orchards

Qin

Zhou

et al. 2023

Agronomy

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Vegetation degradation and its progressive impact on soil nitrogen mineralization in the Qinghai-Tibet Plateau's alpine wetlands: Insights from a three-year study

Du,

Ma,

et al. 2025

Journal of Environmental Management

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Effects of vegetation restoration in karst areas on soil nitrogen mineralisation

Wu,

Gong,

Shu

2024

PeerJ

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Background Nitrogen mineralization plays a critical role in the ecosystem cycle, significantly influencing both the ecosystem function and the nitrogen biogeochemical cycle. Therefore, it is essential to investigate the evolutionary characteristics of soil nitrogen mineralization during the karst vegetation restoration to better understand its importance in the terrestrial nitrogen cycle. Methods This study analyzed from various stages of vegetation growth, including a 40-year-old woodland, 20-year-old shrubland, 15-year-old shrubland, 5-year-old grassland, and nearby cropland. The aerobic incubation technique was used for 35 days to evaluate soil N mineralization characteristics and their correlation with soil environmental factors. The study focused on examining the variations in soil N mineralization rate (NMR), N nitrification rate (NR), net nitrification rate (AR), and NH4+-N and NO3--N levels. Results Nitrate nitrogen, the primary form of inorganic nitrogen, increased by 19.38% in the 0–40 cm soil layer of the 20-year-old shrubland compared to the cultivated land. Soil NH4+-N levels varied during the incubation period, decreasing by the 14th day and rising again by the 21st day. Soil NO3−-N and total inorganic nitrogen levels initially increased, then declined, and eventually stabilized, reaching their highest levels on the 14th day. During vegetation restoration, the soil NR and NMR decreased gradually with increasing incubation time. The 15-year shrub, 20-year shrub, and 40-year woodland showed the potential to increase soil NR and NMR. Furthermore, the 15-year shrub and 20-year shrub also increased soil AR. The Mantel test analysis indicated positive correlations among total nitrogen (TN), total phosphorus (TP), total potassium (TK), silicon (Si), AR, NR, and NMR. While available phosphorus (AP) and NMR demonstrated positive correlations with NR and NMR. Furthermore, TN, TP, TK, and Si were found to be positively correlated with AR, NR, and NMR, whereas AP and NO3--N showed negative correlations with AR, NR, and NMR. It is worth noting that NH4+-N had the greatest effect on AR, while the bulk density (BD) significantly affected the NR. Furthermore, ammonium nitrogen (AN) and soil organic carbon (SOC) were identified as the primary contributors to NMR. This study provides a theoretical basis for comprehending the influence of vegetation restoration on soil nitrogen mineralization and its role in ecosystem restoration.

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Patterns and drivers of soil net nitrogen mineralization and its temperature sensitivity across eastern China

Cited by 3 publications

References 65 publications

Effects of Orange Peel Biochar and Cipangopaludina chinensis Shell Powder on Soil Organic Carbon Transformation in Citrus Orchards

Effects of Orange Peel Biochar and Cipangopaludina chinensis Shell Powder on Soil Organic Carbon Transformation in Citrus Orchards

Vegetation degradation and its progressive impact on soil nitrogen mineralization in the Qinghai-Tibet Plateau's alpine wetlands: Insights from a three-year study

Effects of vegetation restoration in karst areas on soil nitrogen mineralisation

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