Intercropping of Peanut–Tea Enhances Soil Enzymatic Activity and Soil Nutrient Status at Different Soil Profiles in Subtropical Southern China DOI Creative Commons
Taimoor Hassan Farooq, Uttam Kumar, Jing Mo

et al.

Plants, Journal Year: 2021, Volume and Issue: 10(5), P. 881 - 881

Published: April 27, 2021

Intercropping is one of the most widely used agroforestry techniques, reducing harmful impacts external inputs such as fertilizers. It also controls soil erosion, increases nutrients availability, and reduces weed growth. In this study, intercropping peanut (Arachishypogaea L.) was done with tea plants (Camellia oleifera), it compared mono-cropping peanut. Soil health fertility were examined by analyzing variability in enzymatic activity availability at different depths (0–10 cm, 10–20 20–30 30–40 cm). Results showed that peanut–tea considerably impacted organic carbon (SOC), nutrient responses depths. The protease, sucrase, acid phosphatase higher intercropping, while urease catalase monoculture. total phosphorus (TP) 14.2%, 34.2%, 77.7%, 61.9%; potassium (TK) 13.4%, 20%, 27.4%, 20%; available (AP) 52.9%, 26.56%, 61.1%; 146.15% (AK) 11.1%, 43.06%, 46.79% than respective layers. Additionally, nitrogen (AN) 51.78%, 5.92%, 15.32% lower cm layers system Moreover, significantly correlated SOC (TN) content across all cropping systems. depth path analysis effect revealed directly affected urease, enzymes an system. concluded increase pattern improved reaction rate which matter decomposed released into environment. Enzyme decomposition process plays a vital role forest morphology function. For efficient land use system, necessary to develop coherent practices. results study certainly enhance status positively conservation.

Language: Английский

Does biochar accelerate the mitigation of greenhouse gaseous emissions from agricultural soil? - A global meta-analysis DOI
Awais Shakoor, Muhammad Arif, Sher Muhammad Shahzad

et al.

Environmental Research, Journal Year: 2021, Volume and Issue: 202, P. 111789 - 111789

Published: July 29, 2021

Language: Английский

Citations

101
Biochar and its manure-based feedstock have divergent effects on soil organic carbon and greenhouse gas emissions in croplands DOI
Cole D. Gross, Edward W. Bork, Cameron N. Carlyle

et al.

The Science of The Total Environment, Journal Year: 2021, Volume and Issue: 806, P. 151337 - 151337

Published: Oct. 30, 2021

Language: Английский

Citations

71
How much is soil nitrous oxide emission reduced with biochar application? An evaluation of meta‐analyses DOI Creative Commons
Navneet Kaur,

Christina Kieffer,

Wei Ren

et al.

GCB Bioenergy, Journal Year: 2022, Volume and Issue: 15(1), P. 24 - 37

Published: Oct. 1, 2022

Abstract Nitrous oxide (N 2 O) is the third important long‐lived greenhouse gas next to carbon dioxide and methane croplands are considered biogeochemical hotspots of soil N O emissions. To reduce other emissions, climate‐smart agricultural practices including biochar application have been applied. Many studies conducted with but results from these not conclusive. address this issue, meta‐analysis, a quantitative review that synthesizes multiple independent studies, has widely used. The different meta‐analyses also differ seldomly evaluated. In study, we evaluated on effects A grand mean response ratio (RR) was further proposed estimate an overall effect impacts experiment setting, properties soil, practices. We found 18 meta‐analysis papers were published between 2014 2022. Sample size (publications or experiments) varied less than 30 more 1000, sample 275. RR calculated in all except one. While four did find significant others reported reductions magnitude ranged −10.5% −54.8%. Synthesizing meta‐analyses, significantly reduced emissions by 38.8%. increased experimental duration till one half years after that. Biochar rate C:N had large influence This study demonstrated while provides comprehensive better estimation, inconsistence among may need be based could accurate representative single meta‐analysis.

Language: Английский

Citations

46
Advancements in technology and innovation for sustainable agriculture: Understanding and mitigating greenhouse gas emissions from agricultural soils DOI
Muhammad Qayyum, Yanping Zhang,

Mansi Wang

et al.

Journal of Environmental Management, Journal Year: 2023, Volume and Issue: 347, P. 119147 - 119147

Published: Sept. 28, 2023

Language: Английский

Citations

37
Biochar from animal manure: A critical assessment on technical feasibility, economic viability, and ecological impact DOI Creative Commons
Dilani Rathnayake, Hans‐Peter Schmidt, Jens Leifeld

et al.

GCB Bioenergy, Journal Year: 2023, Volume and Issue: 15(9), P. 1078 - 1104

Published: July 5, 2023

Abstract Animal manure has been used to manage soil fertility since the dawn of agriculture. It provides plant nutrients and improves fertility. In last decades, animal husbandry significantly expanded globally. Its economics were optimized via (international) trade feed, resulting in a surplus areas with intensive livestock farming. Potentially toxic elements (PTEs), pathogenic microorganisms, antibiotic residues, biocides, other micropollutants threaten animal, human, environmental health. Hence, application crop fields is increasingly restricted, especially hotspot regions activities. Furthermore, ammonia volatilization greenhouse gas (GHG) emissions during storage, field application, decomposition contribute air pollution climate change. Conventional management scenarios such as composting anaerobic digestion partially improve system but cannot guarantee eliminate sanitary contamination risks only marginally reducing its burden. this review discusses potential pyrolysis, thermochemical conversion under oxygen‐limited conditions an alternative treatment for providing energy biochar. Manure pyrolysis reduces bioavailability PTEs, eliminates microorganisms organic micropollutants, GHG emissions. Pyrolysis also results loss nitrogen, which can be minimized by pretreatment, that is, after removing soluble nitrogen fraction manure, example, stripping ammonia–nitrogen or liquid–solid separation. However, conclusions on effect yield fertilization efficiencies are hampered lack nutrient mass balances based unit equivalent comparisons biochar applications. it essential design conduct experiments more practically relevant depict observations amount produce certain

Language: Английский

Citations

36
Biochar as a negative emission technology: A synthesis of field research on greenhouse gas emissions DOI Creative Commons
Raj K. Shrestha, Pierre-André Jacinthe, Rattan Lal

et al.

Journal of Environmental Quality, Journal Year: 2023, Volume and Issue: 52(4), P. 769 - 798

Published: March 11, 2023

Biochar is one of the few nature-based technologies with potential to help achieve net-zero emissions agriculture. Such an outcome would involve mitigation greenhouse gas (GHG) emission from agroecosystems and optimization soil organic carbon sequestration. Interest in biochar application heightened by its several co-benefits. Several reviews summarized past investigations on biochar, but these mostly included laboratory, greenhouse, mesocosm experiments. A synthesis field studies lacking, especially a climate change standpoint. Our objectives are (1) synthesize advances field-based that have examined GHG capacity (2) identify limitations technology research priorities. Field studies, published before 2022, were reviewed. has variable effects emissions, ranging decrease, increase, no change. Across reduced nitrous oxide (N2 O) 18% methane (CH4 ) 3% increased dioxide (CO2 1.9%. When was combined N-fertilizer, it CO2 , CH4 N2 O 61%, 64%, 84% observations, plus other amendments 78%, 92%, 85% respectively. shown reduce soils, long-term needed address discrepancies best practices (rate, depth, frequency) agricultural soils.

Language: Английский

Citations

31
Straw management in paddy fields can reduce greenhouse gas emissions: A global meta-analysis DOI
Zijian He, Hongxia Cao, Qi Chen

et al.

Field Crops Research, Journal Year: 2023, Volume and Issue: 306, P. 109218 - 109218

Published: Dec. 9, 2023

Language: Английский

Citations

29
Regenerative fertilization strategies for climate-smart agriculture: Consequences for greenhouse gas emissions from global drylands DOI
Shahid Iqbal, Jianchu Xu,

Sehroon Khan

et al.

Journal of Cleaner Production, Journal Year: 2023, Volume and Issue: 398, P. 136650 - 136650

Published: March 2, 2023

Language: Английский

Citations

24
Could soil microplastic pollution exacerbate climate change? A meta-analysis of greenhouse gas emissions and global warming potential DOI
Shahid Iqbal, Jianchu Xu, Muhammad Arif

et al.

Environmental Research, Journal Year: 2024, Volume and Issue: 252, P. 118945 - 118945

Published: April 16, 2024

Language: Английский

Citations

18
Biochar improves the nutrient cycle in sandy-textured soils and increases crop yield: a systematic review DOI Creative Commons
Madina Bekchanova, Luca Campion, Stephan B. Bruns

et al.

Environmental Evidence, Journal Year: 2024, Volume and Issue: 13(1)

Published: Feb. 22, 2024

Biochar is a relatively new development in sustainable agricultural management that can be applied to ameliorate degraded and less fertile soils, especially sandy-textured ones, improve their productivity with respect crop production through improved nutrient availability. However, as the literature has shown, response of soils biochar varies terms effect size direction. Therefore, present study systematically reviewed available evidence synthesize impact amendments on aspects cycle soils.

Language: Английский

Citations

14