Biochar as a carbonaceous material to enhance soil quality in drylands ecosystems: A review

Nascimento, Ícaro Vasconcelos do; Fregolente, Livia; Pereira, Arthur Prudêncio de Araújo; Nascimento, Carla Danielle Vasconcelos do; Mota, Jaedson Claúdio Anunciato; Ferreira, Odair P.; Sousa, Helena Tavares de; Silva, Débora; Simões, Lutiana R.; Filho, A. G. Souza; Costa, Mírian Cristina Gomes

doi:10.1016/j.envres.2023.116489

Cited by 9 publications

(3 citation statements)

References 163 publications

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“…The yield of BC was in consistent with that reported by others 53 , 68 – 70 . BC is enriched with C, and contains a range of plant macro, micro and secondary nutrient elements 53 , 71 , 72 . However, myriad of studies indicated that the composition, yield and other physico-chemical properties of BC depends upon the nature of feedstock and pyrolysis conditions 72 – 75 .…”

Section: Discussionmentioning

confidence: 99%

Biochar aided priming of carbon and nutrient availability in three soil orders of India

Purakayastha,

Bera,

Dey

et al. 2024

Sci Rep

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In recent years biochar (BC) has gained importance for its huge carbon (C) sequestration potential and positive effects on various soil functions. However, there is a paucity of information on the long-term impact of BC on the priming effect and nutrient availability in soil with different properties. This study investigates the effects of BC prepared from rice husk (RBC4, RBC6), sugarcane bagasse (SBC4, SBC6) and mustard stalk (MBC4, MBC6) at 400 and 600 °C on soil C priming and nitrogen (N), phosphorus (P), and potassium (K) availability in an Alfisol, Inceptisol, and Mollisol. BC properties were analyzed, and its decomposition in three soil orders was studied for 290 days in an incubation experiment. Post-incubation, available N, P, and K in soil were estimated. CO2 evolution from BC and soil alone was also studied to determine the direction of priming effect on native soil C. Increasing pyrolysis temperature enhanced pH and EC of most of the BC. The pyrolysis temperature did not show clear trend with respect to priming effect and nutrient availability across feedstock and soil type. MBC6 increased C mineralization in all the soil orders while RBC6 in Alfisol and SBC6 in both Inceptisol and Mollisol demonstrated high negative priming, making them potential amendments for preserving native soil C. Most of the BC showed negative priming of native SOC in long run (290 days) but all these BC enhanced the available N, P, and K in soil. SBC4 enhanced N availability in Alfisol and Inceptisol, RBC4 improved N and P availability in Mollisol and P in Alfisol and MBC6 increased K availability in all the soils. Thus, based on management goals, tailored BC or blending different BC can efficiently improve C sequestration and boost soil fertility.

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Section: Discussionmentioning

confidence: 99%

Biochar aided priming of carbon and nutrient availability in three soil orders of India

Purakayastha,

Bera,

Dey

et al. 2024

Sci Rep

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“…The use of biochar helps to solve such a problem as the reduction of organic matter in the soil, which occurs as a result of anthropogenic activities. Stability in the soil is ensured by the crystalline structure of the material 49 . The use of biochar makes it possible to return the plant waste product to agriculture and thus close the loop of the circular economy 50 .…”

Section: Aspects and Advantages Of Biochar Use In Agriculturementioning

confidence: 99%

Modern Use of Biochar in Various Technologies and Industries. A Review

Miroshnichenko,

Zhylina,

Shmeltser

2024

ChChT

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The article analyzes the use of biochar in various industries and the national economy (as a sorbent, fuel, reducing agent in the metallurgical industry, a component of coal coke blends, biocomposites, modification of explosives, fertilizers, etc.) It is noted that the direction of use depends on the quality and characteristics of biochar (size, physical properties, chemical composition), which are determined by the nature of the raw material, its chemical composition and carbonization temperature.

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“…Upon application, soil modifiers facilitate the formation of a stable soil aggregate structure and soil amine complex. Consequently, these improvements contribute to enhanced soil fertility and increased crop yield [ 21 ]. Water-soluble fertilizers possess the advantageous characteristics of swift and effortless dissolution in water, allowing for a high utilization rate through effective absorption by vegetation.…”

Section: Introductionmentioning

confidence: 99%

The effect of modifier and a water-soluble fertilizer on two forages grown in saline-alkaline soil

Zhao,

Wang,

et al. 2024

PLoS ONE

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Saline-alkali soil significantly impairs crop growth. This research employs the impacts of the modifier and water-soluble fertilizer, as well as their interaction, on the root systems of alfalfa and leymus chinensis in saline-alkali soil. The results exhibit that the hydrochar source modifier effectively enhances the root growth of both forage species. There are certain improvements in the root growth indicators of both crops at a dosage of 20 g/kg. Root enzyme activity and rhizosphere soil enzyme activity are enhanced in alfalfa, showing significant improvements in the first planting compared to the second planting. The application of water-soluble fertilizers also promotes root growth and root dehydrogenase activity. The root dehydrogenase activity of alfalfa and leymus chinensis are enhanced 62.18% and 10.15% in first planting than that of blank, respectively. Additionally, the two-factor variance analysis revealed a correlation between rhizosphere soil enzyme activity and changes in root traits. Higher rhizosphere soil enzyme activity is observed in conjunction with better root growth. The combined application of a modifier and water-soluble fertilizer has demonstrated a significant interaction effect on various aspects of the first planting of alfalfa and leymus chinensis. Moreover, the combined application of the modifier and water-soluble fertilizer has yielded superior results when compared to the individual application of either the modifier or the water-soluble fertilizer alone. This combined approach has proven effective in improving saline-alkali soil conditions and promoting crop growth in such challenging environments.

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Biochar as a carbonaceous material to enhance soil quality in drylands ecosystems: A review

Cited by 9 publications

References 163 publications

Biochar aided priming of carbon and nutrient availability in three soil orders of India

Biochar aided priming of carbon and nutrient availability in three soil orders of India

Modern Use of Biochar in Various Technologies and Industries. A Review

The effect of modifier and a water-soluble fertilizer on two forages grown in saline-alkaline soil

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