Response of soil nutrients, enzyme activities, and fungal communities to biochar availability in the rhizosphere of mountainous apple trees

Ahmad, Rafiq; Gao, Jianen; Li, Wenzheng; Zhang, Yuanyuan; Gao, Zhe; Khan, Abdullah; Ali, Izhar; Ullah, Saif; Fahad, Shah

doi:10.1007/s11104-023-06016-4

Cited by 6 publications

(3 citation statements)

References 79 publications

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“…Soil microorganisms play a vital role in soil nutrient availability (Ahmad et al, 2023;Ahmad et al, 2022). In the present study, the SR+N treatment (Straw return + nitrogen) exhibited the highest relative abundances of Dependentiae, Proteobacteria, Chloroflexi, and Bacteroidetes genera.…”

Section: Discussionmentioning

confidence: 52%

“…Soil microorganisms, the most abundant life forms in soil, are essential for maintaining ecological functions such as biogeochemical cycles (Garaycochea et al, 2024), litter decomposition (Bonilla et al, 2012), and plant growth (Khan et al, 2024;Ahmad et al, 2023;Ahmad et al, 2022). Their sensitivity to environmental changes makes them valuable indicators of ecological shifts (Yu et al, 2016;Le et al, 2024).…”

Section: Introductionmentioning

confidence: 99%

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Synergistic Effects of Rice Straw Return and Nitrogen Fertilizer on Rhizosphere Bacterial Communities and Soil Fertility

Borny,

Mostakim,

Raihan

et al. 2024

JSPAE

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Returning straw to the field combined with nitrogen (N) fertilizer application is an effective way to enhance soil fertility. While previous studies have focused on soil's physical and chemical properties, the impact of straw returning on the microbial community has been less explored. In this study, we used four treatments including control (CK), nitrogen 150 kg ha−1 (N), straw return 10 tonnes ha−1 (SR), and combined SR and N (SRN= straw return 5 tonnes ha−1 + nitrogen 75 kg ha−1) to understand the effects of N fertilizer application and straw returning on bacterial community structure. Using high-throughput sequencing, we analyzed the bacterial community under different treatments and identified the main factors influencing soil bacterial communities. Results showed that soil properties such as pH, soil organic carbon (SOC), and available phosphorous (AP) were significantly higher in SR+N treatments. While AP, available nitrogen (AN), available potassium (AK), and total nitrogen (TN) were higher in sole N applied treatments. The results of high-throughput sequencing analyses demonstrated that the main bacteria at the phylum level were Actinobacteria (31-34%), Proteobacteria (25-30%), Acidobacteria (15-21%), and Chloroflexi (13-16%) across the treatments. Furthermore, the SR+N treatment exhibited the highest relative abundances of Dependentiae, Proteobacteria, Chloroflexi, and Bacteroidetes compared to all other treatments. Our results indicated that the combined application of straw return and N fertilizer enhanced soil fertility and increased the abundance of beneficial soil bacteria. Additionally, SOC emerged as the primary factor influencing variations in soil bacterial communities. However, several beneficial bacteria were less abundant in the combined treatment and more prevalent in the sole SR or sole N treatments. Thus, further research is necessary to develop new straw return strategies that optimize agricultural yields while minimizing ecological impacts.

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Section: Discussionmentioning

confidence: 52%

Section: Introductionmentioning

confidence: 99%

Synergistic Effects of Rice Straw Return and Nitrogen Fertilizer on Rhizosphere Bacterial Communities and Soil Fertility

Borny,

Mostakim,

Raihan

et al. 2024

JSPAE

View full text Add to dashboard Cite

show abstract

“…In another study, it was observed that nitrogen addition accelerates urease activity (Bachmeier et al, 2002), likely due to the varied effects of nitrogen addition depending on the types and levels of different microorganism groups, which may secrete different enzymes in soils (Ahmad et al, 2023;Ahmad et al, 2022). Soil biological processes are regulated by soil microbial biomass, which produces enzymes that impact nutrient levels and availability (Dhandapani et al, 2020).…”

Section: Wwwjspaecom 71mentioning

confidence: 99%

Correlation Between Coarse Wood Debris and Soil Different Chemical Properties of Three Forest Types in Northeast China

Khan,

Azeem,

Chen

et al. 2024

JSPAE

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Coarse wood debris (CWD) is a critical component of the nitrogen and carbon pools in forest ecosystems. While CWD decomposition rates have been studied extensively across various ecosystems, the effects of CWD on soil properties and their interrelations remain unclear. This study aimed to measure the response of CWD to soil and their interrelations among three forest types: Picea koraiensis-Abies nephrolepis-Pinus koraiensis forest (PAPF), Betula costata-Pinus koraiensis forest (BPF), and Tilia amurensis-Pinus koraiensis forest (TPF). The results indicated that CWD carbon was positively correlated with soil pH (R²=0.36). CWD nitrogen was positively correlated with urease activity, while negatively correlated with dehydrogenase activity. There was a consistent correlation between overall CWD and soil nutrient concentrations among the three forest types, although the pattern of these correlations varied among PAPF, BPF, and TPF. This highlights the need to explore attribute interrelations across different ecological gradients. Overall, CWD phosphorus (P) and carbon (C) were positively correlated with soil pH, while aluminum (Al) was negatively correlated. CWD nitrogen (N) was positively correlated with urease enzyme activity, whereas CWD carbon (C) and nitrogen (N) were negatively correlated with invertase and dehydrogenase enzymes, respectively. CWD sulfur (S) was positively correlated with soil sulfur, while CWD carbon (C), potassium (K), and magnesium (Mg) were negatively correlated with their respective soil counterparts. This study demonstrates that variations in soil nutrient concentrations and enzymatic activity are significantly influenced by decomposition levels.

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Responses of soil nutrients and microbial communities to the application of spent mushroom substrates

Chen,

Bao,

Zhou

et al. 2024

Plant Soil

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Response of soil nutrients, enzyme activities, and fungal communities to biochar availability in the rhizosphere of mountainous apple trees

Cited by 6 publications

References 79 publications

Synergistic Effects of Rice Straw Return and Nitrogen Fertilizer on Rhizosphere Bacterial Communities and Soil Fertility

Synergistic Effects of Rice Straw Return and Nitrogen Fertilizer on Rhizosphere Bacterial Communities and Soil Fertility

Correlation Between Coarse Wood Debris and Soil Different Chemical Properties of Three Forest Types in Northeast China

Responses of soil nutrients and microbial communities to the application of spent mushroom substrates

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