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50 Results Found

  • Article
  • Open Access
12 Citations
3,397 Views
23 Pages

Mechanisms of Resistance to Spot Blotch in Yunnan Iron Shell Wheat Based on Metabolome and Transcriptomics

  • Xuesong Zhang,
  • Tingzhi Huang,
  • Qianchao Wang,
  • Yirui Guo,
  • Ping Zhang,
  • Heng Xie,
  • Junna Liu,
  • Li Li,
  • Chuanli Zhang and
  • Peng Qin

Spot blotch (SB) is a fungal disease that threatens wheat yield and quality. Presently, the molecular mechanism against SB is unclear. In this study, the resistant variety Zhenkang iron shell wheat (Yunmai 0030) and susceptible variety Lincang iron s...

  • Article
  • Open Access
1 Citations
2,554 Views
12 Pages

22 June 2020

Fluidized bed combustors were initially designed and built basically for the utilization of fossil fuels, mostly coal. The actual worldwide trend of transitioning from fossil fuels to renewables requires sufficient knowledge on the fluid mechanics of...

  • Article
  • Open Access
1 Citations
1,968 Views
30 Pages

23 September 2024

The behavior of wheat straw biomass (WS), woody sawdust biomass (WB), and their blends during catalytic co-pyrolysis are analyzed in the presence of CaO catalyst, which is obtained from the calcination of mussel shells. Synergy analysis of blends and...

  • Article
  • Open Access
15 Citations
5,569 Views
15 Pages

Production of Cookies Enriched with Bioactive Compounds through the Partial Replacement of Wheat Flour by Cocoa Bean Shells

  • Ingrid Denardi Soares,
  • Marcela Eduarda Marchi Cirilo,
  • Isabela Gayola Junqueira,
  • Fernanda Maria Vanin and
  • Christianne Elisabete da Costa Rodrigues

17 January 2023

Approximately 500 thousand tons of cocoa bean shells (CSs) are generated annually and treated as waste. However, their composition is of great nutritional, technological, and economic interest due to their dietary fiber (46.4 to 60.6%), protein (11.6...

  • Article
  • Open Access
7 Citations
3,644 Views
23 Pages

8 September 2024

The effects of replacing 5–25% of wheat flour (WF) with Taiwanese cocoa bean shells (CBSs) on the physicochemical, antioxidant, starch digestion, and sensory properties of the bread were studied. The lead (0.18) and cadmium (0.77) contents (mg/...

  • Article
  • Open Access
38 Citations
5,290 Views
17 Pages

3 March 2020

This study aimed to explore a new way to address the burning of agricultural waste in China while achieving the sustainable use of it. Three agricultural wastes (Wheat straw, peanut shell, and rice husk) were slowly pyrolyzed into biochar, which was...

  • Article
  • Open Access
1 Citations
1,793 Views
12 Pages

Metabolomic Profiling of Tenebrio molitor Reared on Chestnut Shell-Enriched Substrate Using NMR Spectroscopy

  • Irene Ferri,
  • Mattia Spano,
  • Matteo Dell’Anno,
  • Luisa Mannina and
  • Luciana Rossi

24 November 2024

The aim of this study was to evaluate the metabolomic profile of T. molitor larvae reared on the following innovative growth substrates: wheat bran (control, CTRL); wheat bran supplemented with 12.5% w/w chestnut shell (TRT1); and wheat bran suppleme...

  • Article
  • Open Access
11 Citations
3,025 Views
18 Pages

Characterisation of Tenebrio molitor Reared on Substrates Supplemented with Chestnut Shell

  • Irene Ferri,
  • Matteo Dell’Anno,
  • Mattia Spano,
  • Benedetta Canala,
  • Beatrice Petrali,
  • Matilda Dametti,
  • Stefano Magnaghi and
  • Luciana Rossi

9 July 2024

Tenebrio molitor larvae represent a sustainable protein source for food and feed. The aim of this study was to evaluate the supplementation of chestnut shell, a by-product of the agro-industrial chain, in growth substrates for T. molitor larvae reari...

  • Article
  • Open Access
45 Citations
8,680 Views
16 Pages

Mussel Shells, a Valuable Calcium Resource for the Pharmaceutical Industry

  • Magdalena Mititelu,
  • Gabriela Stanciu,
  • Doina Drăgănescu,
  • Ana Corina Ioniță,
  • Sorinel Marius Neacșu,
  • Mihaela Dinu,
  • Raluca-Ioana Stefan-van Staden and
  • Elena Moroșan

24 December 2021

(1) Background: The mussel (Mytilus edulis, Mytilus galloprovincialis) is the most widespread lamellibranch mollusk, being fished on all coasts of the European seas. Mussels are also widely grown in Japan, China, and Spain, especially for food purpos...

  • Feature Paper
  • Article
  • Open Access
31 Citations
6,056 Views
16 Pages

Valorization of Hazelnut Shells as Growing Substrate for Edible and Medicinal Mushrooms

  • Federico Puliga,
  • Pamela Leonardi,
  • Francesco Minutella,
  • Alessandra Zambonelli and
  • Ornella Francioso

Recently, the cultivation of hazel is undergoing a large expansion. Italy is the world’s second largest producer of hazelnuts, with a production of around 98,530 tons in 2019. The processing of hazelnuts produces large amounts of waste, especia...

  • Article
  • Open Access
27 Citations
7,067 Views
16 Pages

Effect of Cellulose Nanocrystals from Different Lignocellulosic Residues to Chitosan/Glycerol Films

  • Marina Reis de Andrade,
  • Tatiana Barreto Rocha Nery,
  • Taynã Isis de Santana e Santana,
  • Ingrid Lessa Leal,
  • Letícia Alencar Pereira Rodrigues,
  • João Henrique de Oliveira Reis,
  • Janice Izabel Druzian and
  • Bruna Aparecida Souza Machado

10 April 2019

Interest in nanocellulose obtained from natural resources has grown, mainly due to the characteristics that these materials provide when incorporated in biodegradable films as an alternative for the improvement of the properties of nanocomposites. Th...

  • Article
  • Open Access
48 Citations
4,217 Views
21 Pages

27 March 2021

Biochars produced during biodegradable waste pyrolysis are products with a wide range of environmental applications. The effect of impact biochars depends on their properties which determine the course of specific processes. The main aim of the study...

  • Article
  • Open Access
19 Citations
4,815 Views
12 Pages

Xylanase Production by Talaromyces amestolkiae Valuing Agroindustrial Byproducts

  • Giórgia S. Barbieri,
  • Heitor B. S. Bento,
  • Fernanda de Oliveira,
  • Flávio P. Picheli,
  • Lídia M. Dias,
  • Fernando Masarin and
  • Valéria C. Santos-Ebinuma

In general, agroindustrial byproducts can be easily assimilated by several microorganisms due to their composition, which is rich in carbohydrates. Therefore, they could be appropriate for use as raw materials in a sustainable refinery concept, inclu...

  • Article
  • Open Access
7 Citations
4,115 Views
17 Pages

Regulatory Role of Sugars on the Settlement Inducing Activity of a Conspecific Cue in Pacific Oyster Crassostrea gigas

  • Mary Grace Sedanza,
  • Hee-Jin Kim,
  • Xerxes Seposo,
  • Asami Yoshida,
  • Kenichi Yamaguchi and
  • Cyril Glenn Satuito

This study evaluated the larval settlement inducing effect of sugars and a conspecific cue from adult shell extract of Crassostrea gigas. To understand how the presence of different chemical cues regulate settlement behavior, oyster larvae were expos...

  • Article
  • Open Access
3 Citations
1,741 Views
19 Pages

The Preparation and Contact Drying Performance of Encapsulated Microspherical Composite Sorbents Based on Fly Ash Cenospheres

  • Elena V. Fomenko,
  • Natalia N. Anshits,
  • Leonid A. Solovyov,
  • Vasily F. Shabanov and
  • Alexander G. Anshits

Sorption technologies are essential for various industries because they provide product quality and process efficiency. New encapsulated microspherical composite sorbents have been developed for resource-saving contact drying of thermolabile material...

  • Article
  • Open Access
11 Citations
2,770 Views
13 Pages

In rice–wheat rotation areas of China, traditional wheat seeders have severe blockage, low working efficiency and poor seeding quality. In this study, a pneumatic shooting technology was designed, consisting mainly of a nozzle, shell and accele...

  • Editorial
  • Open Access
2 Citations
1,839 Views
4 Pages

Bioconversion in biorefineries is a way to valorize residues from agriculture and food processing. Pretreatment is an important step in the bioconversion of lignocellulosic materials, including crop residues. This Special Issue includes nine articles...

  • Article
  • Open Access
63 Citations
10,311 Views
12 Pages

Fusarium graminearum is the main causal pathogen affecting small-grain cereals, and it produces deoxynivalenol, a kind of mycotoxin, which displays a wide range of toxic effects in human and animals. Bacterial strains isolated from peanut shells were...

  • Article
  • Open Access
5 Citations
1,991 Views
29 Pages

Evaluating Copper-Doped Biochar Composites for Improving Wheat Nutrition and Growth in Oxisols

  • Loren Chisté,
  • Carlos Alberto Silva,
  • Flávio Henrique Silveira Rabêlo,
  • Keiji Jindo and
  • Leônidas Carrijo Azevedo Melo

9 January 2025

Copper (Cu) is a critical micronutrient for wheat (Triticum aestivum L.), essential for growth and grain baking quality, yet its availability is limited because Cu is specifically adsorbed on colloids of highly weathered tropical soils like Oxisols....

  • Article
  • Open Access
15 Citations
4,113 Views
17 Pages

29 January 2021

Dietary fibers may have positive impact on health and wellbeing of pigs. The study examined physicochemical properties of two lignocelluloses (including and excluding bark), powdered cellulose, Aspergillus niger mycelium, lucerne chaff, soybean shell...

  • Article
  • Open Access
13 Citations
3,754 Views
16 Pages

Early Relay Intercropping of Short-Season Cotton Increases Lint Yield and Earliness by Improving the Yield Components and Boll Distribution under Wheat-Cotton Double Cropping

  • Guoping Wang,
  • Lu Feng,
  • Liantao Liu,
  • Yongjiang Zhang,
  • Anchang Li,
  • Zhanbiao Wang,
  • Yingchun Han,
  • Yabing Li,
  • Cundong Li and
  • Hezhong Dong

19 December 2021

Wheat-cotton double cropping has improved crop productivity and economic benefits per unit land area in many countries, including China. However, relay intercropping of full-season cotton and wheat, the most commonly adopted mode, is labor-intensive...

  • Article
  • Open Access
6 Citations
2,387 Views
17 Pages

Design and Experimental Testing of a Centrifugal Wheat Strip Seeding Device

  • Xingcheng An,
  • Xiupei Cheng,
  • Xianliang Wang,
  • Yue Han,
  • Hui Li,
  • Lingyu Liu,
  • Minghao Liu,
  • Meng Liu and
  • Xiangcai Zhang

26 September 2023

Wheat sowing has the characteristics of wide and short sowing periods, and there are situations in which the suitable sowing period is missed. In order to meet the needs of high-speed sowing, a centrifugal wheat strip seeding device was designed, the...

  • Article
  • Open Access
18 Citations
4,079 Views
16 Pages

Assessing Bone Health Status and Eggshell Quality of Laying Hens at the End of a Production Cycle in Response to Inclusion of a Hybrid Rye to a Wheat–Corn Diet

  • Siemowit Muszyński,
  • Kornel Kasperek,
  • Sylwester Świątkiewicz,
  • Anna Arczewska-Włosek,
  • Dariusz Wiącek,
  • Janine Donaldson,
  • Piotr Dobrowolski,
  • Marcin B. Arciszewski,
  • Jose Luis Valverde Piedra and
  • Tomasz Schwarz
  • + 3 authors

8 December 2022

The objective of this study was to evaluate whether there are negative effects of the partial replacement of white corn with rye along with xylanase supplementation on overall bone quality, eggshell mineralization, and mechanical strength in laying h...

  • Article
  • Open Access
7 Citations
2,314 Views
18 Pages

Growth Stimulation of Durum Wheat and Common Buckwheat by Non-Thermal Atmospheric Pressure Plasma

  • Barbora Tunklová,
  • Božena Šerá,
  • Petra Šrámková,
  • Sandra Ďurčányová,
  • Michal Šerý,
  • Dušan Kováčik,
  • Anna Zahoranová and
  • František Hnilička

15 December 2023

The grains of durum wheat (Triticum durum Desf.) and achenes of common buckwheat (Fagopyrum esculentum Moench) were tested after treatment with two sources of non-thermal atmospheric pressure plasma (DCSBD, MSDBD) with different treatment times (0, 3...

  • Article
  • Open Access
33 Citations
3,206 Views
14 Pages

Tetracycline Adsorption Performance and Mechanism Using Calcium Hydroxide-Modified Biochars

  • Kaifeng Wang,
  • Runlin Yao,
  • Dongqing Zhang,
  • Na Peng,
  • Ping Zhao,
  • Yongming Zhong,
  • Haijun Zhou,
  • Jiahui Huang and
  • Chen Liu

7 October 2023

Tetracycline is frequently found in various environments and poses significant ecological risks. Calcium hydroxide-modified biochar has shown potential as a material for removing multiple classes of pollutants from wastewater streams. The tetracyclin...

  • Review
  • Open Access
33 Citations
26,810 Views
13 Pages

Shalgam is a traditional Turkish beverage produced by lactic acid fermentation. Shalgam is also sold in markets in some European cities. In shalgam production, bulgur flour (formed during the crushing process, it is the part that remains under the si...

  • Review
  • Open Access
53 Citations
6,918 Views
14 Pages

Interest of Pickering Emulsions for Sustainable Micro/Nanocellulose in Food and Cosmetic Applications

  • Louise Perrin,
  • Guillaume Gillet,
  • Laurianne Gressin and
  • Stephane Desobry

16 October 2020

In the present review, natural and non-toxic particles made of micro/nanocellulose were specifically targeted as stabilizers of emulsions located at dispersed and continuous phases interfaces (called Pickering Emulsions, PEs). PEs are biphasic system...

  • Article
  • Open Access
11 Citations
2,725 Views
13 Pages

20 June 2021

Crop residue burning is one of the major sources of particulate matter (PM) in the air. The burning behaviors and PM emissions of the three typical crop residues (rice straw, wheat straw, corn straw) in China were characterized by a cone calorimeter...

  • Article
  • Open Access
48 Citations
9,703 Views
15 Pages

Chemical Composition of Apricot Pit Shells and Effect of Hot-Water Extraction

  • Derek B. Corbett,
  • Neil Kohan,
  • Grazielle Machado,
  • Chengyan Jing,
  • Aditi Nagardeolekar and
  • Biljana M. Bujanovic

3 September 2015

Agricultural residues, such as corn stover, wheat straw, and nut shells show promise as feedstocks for lignocellulosic biorefinery due to their relatively high polysaccharide content and low or no nutritional value for human consumption. Apricot pit...

  • Review
  • Open Access
49 Citations
6,406 Views
41 Pages

28 June 2021

Nanoparticles from plant proteins are preferred over carbohydrates and synthetic polymeric-based materials for food, medical and other applications. In addition to their large availability and relatively low cost, plant proteins offer higher possibil...

  • Article
  • Open Access
1 Citations
1,003 Views
12 Pages

Mechanical Properties of Composite Materials Obtained with Clay Matrices and Plant Waste Inserts

  • Elena Surdu,
  • Radu Iatan,
  • Petru Cardei,
  • Nicoleta Sporea,
  • Dana-Claudia Farcas-Flamaropol and
  • Ion Durbaca

24 March 2025

In a global context where sustainability is becoming a priority in construction, this paper analyzes the use of composite materials based on clay and plant waste, offering an ecological alternative to conventional materials. This article analyzes the...

  • Article
  • Open Access
5 Citations
2,637 Views
11 Pages

3 February 2023

Wheat is a target crop within the food security context. The responses of wheat plants under elevated concentrations of CO2 (e[CO2]) have been previously studied; however, few of these studies have evaluated several organs at different phenological s...

  • Article
  • Open Access
25 Citations
5,315 Views
17 Pages

Extrusion of Porous Protein-Based Polymers and Their Liquid Absorption Characteristics

  • Antonio J. Capezza,
  • Eva Robert,
  • Malin Lundman,
  • William R. Newson,
  • Eva Johansson,
  • Mikael S. Hedenqvist and
  • Richard T. Olsson

16 February 2020

The production of porous wheat gluten (WG) absorbent materials by means of extrusion processing is presented for the future development of sustainable superabsorbent polymers (SAPs). Different temperatures, formulations, and WG compositions were used...

  • Article
  • Open Access
7 Citations
3,659 Views
14 Pages

Impact of Biomass Recycling and Fertilization on Soil Microbiological Characteristics and Wheat Productivity in Semi-Arid Environment

  • Govind Kumar Yadav,
  • Sunil Kumar Dadhich,
  • Rajendra Kumar Yadav,
  • Rajesh Kumar,
  • Jalpa Dobaria,
  • Bilal Ahamad Paray,
  • Soon Woong Chang and
  • Balasubramani Ravindran

5 April 2023

In India, 700 million tons of agricultural waste generated annually is burned by farmers in the fields, which decreases biological activity in soil. The issue of handling the enormous amounts of crop residues that emerge from increased crop output mi...

  • Article
  • Open Access
35 Citations
6,873 Views
16 Pages

Physical Properties and Consumer Evaluation of Cocoa Bean Shell-Functionalized Biscuits Adapted for Diabetic Consumers by the Replacement of Sucrose with Tagatose

  • Olga Rojo-Poveda,
  • Letricia Barbosa-Pereira,
  • David Orden,
  • Caroline Stévigny,
  • Giuseppe Zeppa and
  • Marta Bertolino

21 June 2020

The cocoa bean shell (CBS), a by-product of the cocoa industry, has been reported to be rich in fiber and polyphenols, which could contribute to reducing the metabolism of sugars and glucose adsorption. The production of CBS-based biscuits in which s...

  • Article
  • Open Access
9 Citations
3,275 Views
19 Pages

30 October 2020

Rice black-streaked dwarf virus (RBSDV), classified under the Reoviridae, Fijivirus genus, caused an epidemic in the eastern provinces of China and other East Asian countries and resulted in severe yield loss in rice and wheat production. RBSDV is tr...

  • Article
  • Open Access
1 Citations
2,617 Views
17 Pages

Spent mushroom substrate (SMS), spent coffee grounds from espresso production (SCG), faba bean harvest residues (FBR), pistachio shells (PS) wheat straw (WS) (control) agro-industrial waste were combined in different ratios, with or without supplemen...

  • Article
  • Open Access
36 Citations
4,003 Views
12 Pages

Feasibility of Agricultural Biomass Fly Ash Usage for Soil Stabilisation of Road Works

  • Ivana Barišić,
  • Ivanka Netinger Grubeša,
  • Tihomir Dokšanović and
  • Berislav Marković

28 April 2019

Agricultural biomass ash is a waste material produced by incineration of residue from fields after harvesting crops. The use of agricultural biomass in industry produces large quantities of ash that represent an ecological problem. Another ecological...

  • Article
  • Open Access
2 Citations
1,243 Views
15 Pages

Effects of Biochar on the Availability of Trace Elements in Different Types of Soil

  • Shuaihui Ma,
  • Shuai Ma,
  • Weiqin Yin,
  • Shengsen Wang,
  • Haijun Sheng and
  • Xiaozhi Wang

27 February 2025

To investigate the effects of biochar on the availability of trace elements (Fe, Mn, Cu, and Zn) in soils with different properties, biochar derived from wheat straw (WSBC) and peanut shells (PSBC) was added to red and yellow-brown soils for pot expe...

  • Article
  • Open Access
13 Citations
2,870 Views
17 Pages

3 August 2022

Modern agriculture produces a very large amount of agricultural waste that remains unused. The use as a reinforcer of these renewable resources for the realization of composite materials, and the finding of useful industrial applications, constitutes...

  • Article
  • Open Access
7 Citations
2,172 Views
14 Pages

18 December 2023

The presence of antibiotics in water environments increases the resistance of bacterial and can also cause irreversible damage to ecosystems and the human body. In this study, disposable bamboo chopsticks were used as raw material to prepare bamboo b...

  • Article
  • Open Access
1 Citations
1,451 Views
18 Pages

Acid-Modified Biochar Derived from Agricultural Waste for Efficiently Capturing Low-Concentration Nitrous Oxide (N2O): Mechanisms and Environmental Implications

  • Mingming Fu,
  • Yingdi Ma,
  • Fengrui Yang,
  • Ziyu Xiao,
  • Mei Wang,
  • Shaoyuan Bai,
  • Qin Zhang,
  • Huili Liu,
  • Dandan Xu and
  • Yanan Zhang

25 July 2025

Low-concentration N2O (≤5%) emissions from agricultural fields and waste treatment facilities in China reach 7.333 × 105 t annually, making them a significant but inadequately controlled contributor to global warming. Agricultural wastes were selecte...

  • Article
  • Open Access
31 Citations
4,601 Views
14 Pages

31 October 2022

Point-of-care testing methods for the rapid and sensitive screening of pathogenic bacteria are urgently needed because of the high number of outbreaks of microbial infections and foodborne diseases. In this study, we developed a highly sensitive and...

  • Article
  • Open Access
6 Citations
2,818 Views
12 Pages

Molded Plywood with Proportions of Beech Bark in Adhesive Mixtures: Production on an Industrial Scale

  • Roman Reh,
  • Lubos Kristak,
  • Jan Sedliacik,
  • Pavlo Bekhta,
  • Anita Wronka and
  • Grzegorz Kowaluk

2 April 2024

Molded plywood is used for furniture components such as seats, backrests, or integral seat shells, and it must be durable and harmless to health. Molded plywood is made with urea-formaldehyde (UF) adhesives; therefore, the issue of the fillers used i...

  • Article
  • Open Access
5 Citations
3,791 Views
12 Pages

Stability of Filled PDMS Pervaporation Membranes in Bio-Ethanol Recovery from a Real Fermentation Broth

  • Cédric Van Goethem,
  • Parimal V. Naik,
  • Miet Van de Velde,
  • Jim Van Durme,
  • Alex Verplaetse and
  • Ivo F. J. Vankelecom

27 October 2023

Mixed matrix membranes (MMMs) have shown great potential in pervaporation (PV). As for many novel membrane materials however, lab-scale testing often involves synthetic feed solutions composed of mixed pure components, overlooking the possibly comple...

  • Article
  • Open Access
2 Citations
831 Views
16 Pages

Influence of Xylanase Inclusion on Productive Performance, Egg Quality and Intestinal Health of Commercial Laying Hens Fed Energy-Reduced Diets

  • Giovana Longhini,
  • Rasha Qudsieh,
  • Mário Lopes,
  • Isabela Silva,
  • Vitor Pais,
  • Raimundo Netto,
  • Melany Lovon,
  • Carlos Granghelli,
  • Douglas Faria and
  • Cristiane Araujo
  • + 1 author

2 November 2025

This study evaluated the inclusion of increasing levels of xylanase in reduced-energy diets for commercial laying hens. A total of 280 Lohmann LSL white laying hens were equally allocated one of five dietary treatments, with seven replicates of eight...

  • Review
  • Open Access
14 Citations
10,510 Views
54 Pages

Pharmaceutical Pollutants: Ecotoxicological Impacts and the Use of Agro-Industrial Waste for Their Removal from Aquatic Environments

  • Ana Gabriela Estrada-Almeida,
  • María Luisa Castrejón-Godínez,
  • Patricia Mussali-Galante,
  • Efraín Tovar-Sánchez and
  • Alexis Rodríguez

15 October 2024

Medicines are pharmaceutical substances used to treat, prevent, or relieve symptoms of different diseases in animals and humans. However, their large-scale production and use worldwide cause their release to the environment. Pharmaceutical molecules...

  • Article
  • Open Access
13 Citations
4,814 Views
23 Pages

Sustainable Thermal Energy Generation at Universities by Using Loquat Seeds as Biofuel

  • Miguel-Angel Perea-Moreno,
  • Francisco Manzano-Agugliaro,
  • Quetzalcoatl Hernandez-Escobedo and
  • Alberto-Jesus Perea-Moreno

9 March 2020

Global energy consumption has increased the emission of greenhouse gases (GHG), these being the main cause of global warming. Within renewable energies, bioenergy has undergone a great development in recent years. This is due to its carbon neutral ba...

  • Article
  • Open Access
3 Citations
4,382 Views
18 Pages

6 April 2023

Based on the decision of representatives from the West African region and feedback from locals in Togo, an advanced continuous-feed, forced-draft, biomass cookstove named “Apeli” was developed. The stove was tested in modified ISO measure...

  • Article
  • Open Access
1 Citations
1,890 Views
17 Pages

1 September 2024

Methane produced from paddy fields has a negative impact on global climate change. However, the role of soil bacterial community composition in mediating methane (CH4) emission from waterlogged paddy soil using the column experiment is poorly known....