Soil nitrification and nitrogen mineralization responded non-linearly to the addition of wood biochar produced under different pyrolysis temperatures

Nessa, Ashrafun; Bai, Shahla Hosseini; Wang, Dianjie; Karim, Zakaria; Omidvar, Negar; Zhan, Jinyan; Xu, Zhihong

doi:10.1007/s11368-021-03077-9

Cited by 8 publications

(5 citation statements)

References 58 publications

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“…Due to the lack of water content, soil N transformations are generally very low within the soil, thus with little N losses (Zhang et al 2021). Under drought conditions, there would be high nitrification and soil and plant δ 15 N would be expected to be very low (Ibell et al 2013;Wang et al 2015Wang et al , 2020aNessa et al 2021). These indicate the relationship that has been measured within current literature on the implication and relationship between N transformation and cycling and drought events in soil and plant systems using soil δ 15 N.…”

Section: Droughtsmentioning

confidence: 76%

“…Increasing bushfires, due to climate change and drought, N fertilisers and burning of fossil fuels can increase the amount of N gas emissions to the atmosphere (Aber et al 1998;Choi et al 2020;Wang et al 2020a, b, c). However, to date, unlike the C cycle, there is limited understanding of increasing bushfire impacts on the N cycling in terrestrial ecosystems (Lavorel et al 2007;Wang et al 2018Wang et al , 2020aNessa et al 2021;Taresh et al 2021).…”

Section: Bushfiresmentioning

confidence: 99%

“…Current research has also used the δ 15 N signature as an index of N losses with interaction of bushfires, floods and drought within the soil and plant ecosystems. Differences in soil and plant δ 15 N are closely associated with the N cycling processes such as N mineralisation, nitrification and denitrification (Handley et al 1999;Houlton et al 2007;Wang et al 2015Wang et al , 2020aCraine et al 2018;Nessa et al 2021). The use of δ 15 N in different N pools could assist in understanding N demands of terrestrial ecosystems (Craine et al 2009;Perakis and Johnson 2011).…”

Section: Introductionmentioning

confidence: 99%

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The variation and trends of nitrogen cycling and nitrogen isotope composition in tree rings: the potential for fingerprinting climate extremes and bushfires

Succarie

Wang

2022

J Soils Sediments

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Purpose Climate extremes, such as droughts and floods, have become intensified and more frequent due to intensifying climate change. Increased atmospheric carbon dioxide (CO2) and warming-induced water limitation, as well as climate extremes, may alter carbon (C) and nitrogen (N) cycling in forest ecosystems. This provides a brief review of stable nitrogen isotopic composition (δ15N) in tree ring in relation to climate extremes and bushfires in context of N availability and losses in forest ecosystems. Material and methods Tree rings were extracted from four Pinus sylvestris and four Larix gmelinii sample trees, located in a boreal plantation forest of Mohe City, Heilongjiang Province, China. Tree rings were measured to obtain mean annual basal area increment (BAI), while tree ring δ15N and total N concentrations were measured on mass spectrometer at 3-year intervals. The tree ring δ15N data were related to possible climate extremes and bushfires. A brief review of the relevant literature was also undertaken to support our preliminary research findings. Results and discussion Globally, increasing atmospheric CO2 concentration and water limitations have led to a warmer-drier climate. This has also been associated with increases of climate extremes such as drought and floods as well as bushfires. These extremes have been recorded with detrimental effects on plant and soil structures within forest ecosystems and play an important role in regulating N availability and losses in forest ecosystems. Studies of N deposition within forest ecosystems using soil and plant δ15N also showed that N losses under various climate extremes can occur through direct changes in N cycling, such as increasing soil nitrification and denitrification or leaching. It is highlighted that tree rings δ15N has the potential to fingerprint the intensity and frequency of climate extremes and bushfires in the forest ecosystems, but more such tree ring δ15N research needs to be done in diversified forest ecosystems to confirm the potential of using tree ring δ15N for quantifying the frequency and intensity of climate extremes and bushfires at both regional and global scale. Conclusion The variation and trend of δ15N in the soil–plant-climate systems are closely linked to the N cycling in forest ecosystems, and tree ring δ15N has the great potential to fingerprint both intensity and frequency of climate extremes such as drought and floods as well as bushfires.

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Section: Droughtsmentioning

confidence: 76%

Section: Bushfiresmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The variation and trends of nitrogen cycling and nitrogen isotope composition in tree rings: the potential for fingerprinting climate extremes and bushfires

Succarie

Wang

2022

J Soils Sediments

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“…The 15 N of N sources such as manure or fertilizer applied to the soil, N loss, and N cycling processes affects soil δ 15 N (Asadyar et al., 2021; Choi et al., 2017, 2020; Succarie et al., 2022; Zhang et al., 2018). The soil δ 15 N best indicates N availability or losses since it is enriched with increasing soil N losses because of leaching and denitrification (Ibell et al., 2013; Hosseini‐Bai et al., 2015; Wang et al., 2014, Wang, Wang, et al., 2015; Wang, Xu, et al., 2015; Nessa et al., 2021). The discrimination against the heavier 15 N isotope by microbial N transformations in the soil predominantly affects soil δ 15 N (Asadyar et al., 2021; Hosseini‐Bai et al., 2015; Nessa et al., 2021; Succarie et al., 2022; Xu et al., 2008).…”

Section: Introductionmentioning

confidence: 99%

“…The soil δ 15 N best indicates N availability or losses since it is enriched with increasing soil N losses because of leaching and denitrification (Ibell et al., 2013; Hosseini‐Bai et al., 2015; Wang et al., 2014, Wang, Wang, et al., 2015; Wang, Xu, et al., 2015; Nessa et al., 2021). The discrimination against the heavier 15 N isotope by microbial N transformations in the soil predominantly affects soil δ 15 N (Asadyar et al., 2021; Hosseini‐Bai et al., 2015; Nessa et al., 2021; Succarie et al., 2022; Xu et al., 2008). Thus, higher δ 15 N in terrestrial ecosystems indicates active N cycling or N availability because of increased microbial activity (Asadyar et al., 2021; Hosseini‐Bai et al., 2015; Succarie et al., 2022; Wang et al., 2020).…”

Section: Introductionmentioning

confidence: 99%

Effects of planting basins and farmyard manure addition on soil carbon and nitrogen pools under on‐farm conditions in Makueni county of Kenya

Kichamu‐Wachira,

Xu,

Reardon‐Smith

et al. 2024

Soil Use and Management

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Climate change, land degradation and inadequate soil nutrients pose significant threats to food security and agricultural sustainability. This study aims to examine the effects of planting basins with farmyard manure on soil total carbon (C), nitrogen (N), isotopic C (δ13C) and N (δ15N) compositions within smallholder‐managed farms in Makueni County, Kenya. The study involved two management practices: planting basins with manure (PM) and conventional farming practices (FP) in 12 experimental sites. Soil samples were taken at three depths (0–10, 10–20 and 20–40 cm), with three replicates for each treatment. Significant interactions were observed between land management practices and sites as well as land management practices and soil depth on soil total C and N. At each of the 12 sites, soil total C was higher under PM (ranging from 0.44% to 1.86%, p < .05) than FP management (ranging from 0.35% to 1.37%), across all soil depths. Soil total N concentrations ranged from 0.027% to 0.100% under FP and (0.060% to 0.190%, p < .05) under PM management. Across soil depths, higher (less negative) soil δ13C values were observed under conventional farmer practice (range − 22.5‰ to −17.1‰) compared with PM management range (−24.3‰ to −18.1‰). Soil δ15N was significantly enriched under PM management (range: 7.4‰ to 12.6‰, p < .05) compared with the conventional farmer practices (range: 6.1‰ to 9.8‰, p < .05). The findings show that planting basins with farmyard manure offers both climate mitigation and adaptation benefits by increasing soil C contents and improving soil fertility. The study provides insights into the real‐world implications of these practices, emphasizing the potential of planting basins with manure in enhancing soil quality and climate resilience.

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Carbon sequestration and nutrients improvement meditated by biochar in a 3-year vegetable rotation system

Zhang

Sun

et al. 2022

J Soils Sediments

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Soil nitrification and nitrogen mineralization responded non-linearly to the addition of wood biochar produced under different pyrolysis temperatures

Cited by 8 publications

References 58 publications

The variation and trends of nitrogen cycling and nitrogen isotope composition in tree rings: the potential for fingerprinting climate extremes and bushfires

The variation and trends of nitrogen cycling and nitrogen isotope composition in tree rings: the potential for fingerprinting climate extremes and bushfires

Effects of planting basins and farmyard manure addition on soil carbon and nitrogen pools under on‐farm conditions in Makueni county of Kenya

Carbon sequestration and nutrients improvement meditated by biochar in a 3-year vegetable rotation system

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