Soil-biochar-plant interaction: differences from the perspective of engineered and agricultural soils

Hussain, Rojimul; Garg, Ankit; Ravi, K.

doi:10.1007/s10064-020-01846-3

Cited by 30 publications

(14 citation statements)

References 177 publications

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“…By contrast, the stable organic carbon in water hyacinth biochar seems to increase with increasing pyrolysis temperature as indicated by the direction of oxidized carbon (OC) in water hyacinth biochar. Similar tendencies had been observed by (Masto et al, 2013;Najmudeen, et al, 2019;Hussain et al, 2020). Loss on ignition biochar organic matter (LOIOM) decreased with increasing temperature and time reflecting the increased ash content of WHB at higher pyrolysis temperatures and the ideal ash content (16.9 %) was observed at 300 °C.…”

Section: Physicochemical Characteristics Of Water Hyacinth Biochar (Whb)supporting

confidence: 80%

“…Nevertheless, because of various environmental and financial challenges associated, none of these strategies or their combinations has been effective in completely eliminating this harmful weed. In contrast, water hyacinth has demonstrated its potential in various applications like bioremediation and bio-adsorption of heavy metal from polluted aquatic environment; bioenergy production; means of carbon sequestration; as animal and fish feed; as carbon source for microbial growth; composting, vermicomposting and biocharring (Allam, et al, 2020;Hussain et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

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Assessment of Water Hyacinth Biochar as a Soil Amendment for Sandy Soils

El-Azeim

Salah

Hammam

2021

Journal of Soil Sciences and Agricultural Engineering

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Soil application of water hyacinth biochar as a source of nutrient-and carbon-rich biomass may be an effective ploy to eradicate this invasive aquatic weed. Incubation trial was conducted to assess effects of water hyacinth biochar addition on some sandy soil biochemical and biological properties and potential carbon sequestration at different application rates and methods. Results demonstrated that pyrolysis of water hyacinth at temperature of 300 °C and 30 min furnace residence time produced biochar with coveted physicochemical properties. Field emission scanning electronic microscopy (FE-SEM) images obtained for water hyacinth biochar showed major macroscopic changes caused by substantial changes in pore structure, surface area and surface morphology due to insufficient carbonization. Soil biochemical and microbiological characteristics after incubation exposed obvious significant improvements at all rates compared to control and varied markedly between addition of biochar as incorporation and broadcasting. Among different treatments, biochar addition as incorporation at the rate of 3% resulted in higher significant increases in most tested soil parameters. Water hyacinth biochar provided nitrogen and carbon immediately via SOC, DOC and DON in treated sandy soils providing energy for microbial biomass compared to control and this reflected by increases in soil values of C-MIC N-MIC and P-MIC. In addition, water hyacinth biocharring would greatly improve sandy soil carbon sequestration at high application rates. It could be concluded that water hyacinth transformation into biochar represents a sustainable strategy for managing these weeds and thus become a valuable organic source for sandy soils and will boost carbon sequestration.

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Section: Physicochemical Characteristics Of Water Hyacinth Biochar (Whb)supporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Assessment of Water Hyacinth Biochar as a Soil Amendment for Sandy Soils

El-Azeim

Salah

Hammam

2021

Journal of Soil Sciences and Agricultural Engineering

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“…Though many studies reported an increase in WHC, there are some studies where effect of biochar has been either negligible or negative. Some authors observed both increase and decrease [29][30][31][32], some reported increase only [33], whereas some reported no effect [5]. Bordoloi et al (2019) [34] observed an increase in WHC of silty sandy soil, while Hardie et al (2014) [35] observed no noticeable effect of biochar on drainable porosity, eld capacity, PWP, PAW content or soil moisture content of a sandy, loamy soil.…”

Section: Duarte Et Al(2019)mentioning

confidence: 99%

Section: Duarte Et Al(2019)mentioning

confidence: 99%

Exploring Efficiency of Biochar in Enhancing Water Retention in Soils with Varying Grain Size Distributions using ANN Technique

Garg

Wani

Zhu

et al. 2021

Preprint

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Recently, incentives have been provided in many countries, including Canada and Denmark, to produce biochar for construction usage. This is done because biochar is carbon negative and can help achieve the emission reduction goal of 2030. This technical note aims to analyze the efficiency of biochar in soils with varying grain size distribution for enhancing water retention capacity (WRC). The combinations of biochar content and grain size distributions corresponding to the maximum and minimum efficiency were explored. Artificial Neural Network (ANN) based model for predicting Soil Water Characteristic Curve (SWCC) as a function of soil suction and grain size distribution was developed. A new factor (the ratio of fine (silt + clay) and coarse (sand) content) was proposed for the interpretation of the efficiency of biochar in soils. The newly developed model is able to predict SWCC reasonably well. Biochar amendment is found to influence both dry and wet sides of soils with a clay content lower than threshold content (6–8%). Beyond threshold content, the influence of biochar appears to reduce. However, in the case of high sand content soils (90%), the NWC value on the drier side is generally higher as compared to soils with lower sand content. Based on sensitivity analysis, it was found that the ratio of fine to sand content is the most influential, while biochar content is the least influential.

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“…Any alteration in these properties of soil amendment with biochar could be mainly due to the distinct characteristics of the biochar, including intra-pores, surface functional group, cation exchange capacity, etc., which are highly dependent on the type of feedstock or biochar (Lei and Zhang 2013;Suliman et al 2017;Wu et al 2019). Biochar of different feedstock type could be hydrophilic or hydrophobic depending on the type of functional group and could have different porosities that would definitely influence the water retention and infiltration rate of soil after amendment (Jeffery et al 2015;Hussain et al 2020aHussain et al , 2020b. Thus, studies are needed to consider the effect of biochar type on the water retention, infiltration rate and desiccation potential of soil.…”

Section: Inter-pores Between Soilmentioning

confidence: 99%

Effect of biochar type on infiltration, water retention and desiccation crack potential of a silty sand

Hussain

Bordoloi

Gupta

et al. 2020

Biochar

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Biochar is a carbon-rich material obtained after thermochemical conversion of biomass under no oxygen environment. The effect of biochar amendment on soil properties, such as water retention, infiltration and desiccation crack potential was studied in the recent years. However, the effect of biochar or feedstock type on these properties is not explicit. This study investigates the effect of two different (in terms of feedstock) types of biochar on the water retention, infiltration and desiccation cracking behavior of compacted silty sand. Water retention characteristics, infiltration rate and the progression of desiccation cracks were measured after compacting soil amended with 5-10% (w/w) biochar produced from water hyacinth (WHB) and mesquite. Measurements were also taken for an unpyrolyzed material coir pith (CP, sourced from coconut husk)-amended soil for comparing the results of biochar-amended soil. The results show that the amendment of 5% to 10% biochar increased the maximum water holding capacity (θ s), air entry value (AEV) and water content at 1500 kPa (θ 1500) of the soil, whereas decreased the infiltration rate and peak crack intensity factor (CIF) of the soil. Moreover, the application of CP increased the infiltration rate. The amendment of WHB showed the highest increment in AEV and θ 1500 and the highest decrement in infiltration rate and CIF compared to the other amendments. Based on the results, it is advisable to use the WHB-amended soil in bioengineered structures that could promote the growth of vegetation by higher water retention and could reduce the potential of leachate formation by decreasing water infiltration and desiccation crack potential.

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Soil-biochar-plant interaction: differences from the perspective of engineered and agricultural soils

Cited by 30 publications

References 177 publications

Assessment of Water Hyacinth Biochar as a Soil Amendment for Sandy Soils

Assessment of Water Hyacinth Biochar as a Soil Amendment for Sandy Soils

Exploring Efficiency of Biochar in Enhancing Water Retention in Soils with Varying Grain Size Distributions using ANN Technique

Effect of biochar type on infiltration, water retention and desiccation crack potential of a silty sand

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