Biochar Applied in Places Where Its Feedstock Was Produced Mitigated More CO2 Emissions from Acidic Red Soils DOI Creative Commons
Meng Lai, Min Yi,

Haiping Xie

и другие.

Agronomy, Год журнала: 2024, Номер 14(10), С. 2193 - 2193

Опубликована: Сен. 24, 2024

Agricultural soil is the main source of greenhouse gas emissions, among which carbon dioxide (CO2) an important gas, impacting global climate. In China, as a large rice-producing country, sequestration and CO2 mitigation in paddy are crucial for climate change. While biochar has been widely used application site biochar, i.e., whether or not it same its feedstocks, may generate different effects on emissions due to differences element nutrient concentrations especially when applied fertilized soil. order explore with feedstocks from soil, this experiment took red area research object, using rice straw Camellia oleifera fruit shell raw materials produce (adding amount 40 g kg−1 soil) urea external nitrogen 200 mg soil). The two types derived producing origins were studied via laboratory control incubation studies. results showed that (1) addition pH, NO3−-N total available (AN) content significantly higher than those (the scale increase was by 6.40%, 579.7% 180.1%, respectively). (2) emission rate cumulative supplemented lower (decreases 28.0% 27.5%, Our findings suggest efficiency better future studies considering more gases will be necessary expand these findings, study indicates prepared situ feedstock can reduce fields, so ensure sustainable development achieve energy conservation reduction goals. This benefit agricultural practices choosing strategy context warming, well other changes following caused elevated atmospheric gases.

Язык: Английский

Effects of Long-Term Application of Nitrogen Fertilizer on Soil Acidification and Biological Properties in China: A Meta-Analysis DOI Creative Commons
L. Zhang, Zehang Zhao,

Bailing Jiang

и другие.

Microorganisms, Год журнала: 2024, Номер 12(8), С. 1683 - 1683

Опубликована: Авг. 15, 2024

Soil acidification is a global environmental problem with significant impacts on agricultural production, protection, and ecosystem health. widespread in China, affecting crop yields, product quality, biodiversity. Since the 1980s, much work has been done acidic soils but it controversial whether excessive nitrogen fertilizer application can lead to soil mechanisms. To address above issues, we conducted meta-analysis of 115 published papers integrate analyze effects N biological properties from 1980 2024. We also quantified effect fertilization changes under different climatic conditions. The results showed that long-term fertilizers China 2024, pH decreased by an average 15.27%, activities urease, nitrate reductase, nitrite catalase, glutamate dehydrogenase, synthetase 9.82-22.37%. microbial community richness (Chao1 index) increased 6.53%, diversity (Shannon 15.42%. Among dominant microorganisms, relative abundance bacteria 9.67-29.38% gene expression

Язык: Английский

Процитировано

7
Carbon and nitrogen addition-derived enzyme activities in topsoil but nitrogen availability in subsoil controls the response of soil organic carbon decomposition to warming DOI
Shaobo Yang, Xuechao Zhao, Zhaolin Sun

и другие.

The Science of The Total Environment, Год журнала: 2024, Номер 949, С. 175261 - 175261

Опубликована: Авг. 3, 2024

Язык: Английский

Процитировано

4
Effects of plastic film mulching on soil respiration and its sensitivity to temperature and water content DOI Creative Commons
Na Li, Qi Wen, Chunxia Jiang

и другие.

Environmental Technology & Innovation, Год журнала: 2024, Номер 36, С. 103780 - 103780

Опубликована: Авг. 7, 2024

Soil respiration (Rs) and its temperature water sensitivities play a vital role in understanding the processes mechanisms of carbon (C) cycling half plastic film mulching (Mm) field. A two-year field experiment was conducted to investigate responses Rs components, including from roots (Rr) soil free-living microbes (Rm), (ST) content (SWC) amidst environmental changes. Results showed that Mm significantly stimulated cumulative CO2 emissions Rm (CE-Rm) Rr mainly due prominent increase them rows without Mm. This attributed more favorable microclimatic conditions under for growth, identified by improved SWC, dissolved organic C (DOC) total nitrogen (DTN), microbial biomass (MBC) (MBN) contents, enzyme activities functional genes abundances associated with degradation. The combination ST SWC can help accurately predict seasonal variation than solely or SWC. considerably increased sensitivity probably substrates indicated growing DOC DTN contents. study could sustain crop yield increasing impacts because there no significant difference CE-Rm per unit grain produced between M0

Язык: Английский

Процитировано

2
Biochar Applied in Places Where Its Feedstock Was Produced Mitigated More CO2 Emissions from Acidic Red Soils DOI Creative Commons
Meng Lai, Min Yi,

Haiping Xie

и другие.

Agronomy, Год журнала: 2024, Номер 14(10), С. 2193 - 2193

Опубликована: Сен. 24, 2024

Agricultural soil is the main source of greenhouse gas emissions, among which carbon dioxide (CO2) an important gas, impacting global climate. In China, as a large rice-producing country, sequestration and CO2 mitigation in paddy are crucial for climate change. While biochar has been widely used application site biochar, i.e., whether or not it same its feedstocks, may generate different effects on emissions due to differences element nutrient concentrations especially when applied fertilized soil. order explore with feedstocks from soil, this experiment took red area research object, using rice straw Camellia oleifera fruit shell raw materials produce (adding amount 40 g kg−1 soil) urea external nitrogen 200 mg soil). The two types derived producing origins were studied via laboratory control incubation studies. results showed that (1) addition pH, NO3−-N total available (AN) content significantly higher than those (the scale increase was by 6.40%, 579.7% 180.1%, respectively). (2) emission rate cumulative supplemented lower (decreases 28.0% 27.5%, Our findings suggest efficiency better future studies considering more gases will be necessary expand these findings, study indicates prepared situ feedstock can reduce fields, so ensure sustainable development achieve energy conservation reduction goals. This benefit agricultural practices choosing strategy context warming, well other changes following caused elevated atmospheric gases.

Язык: Английский

Процитировано

0