Exogenous application and interaction of biochar with environmental factors for improving functional diversity of rhizosphere's microbial community and health

Article Environmental Sciences

Evaluation of the cadmium phytoextraction potential of tobacco (Nicotiana tabacum) and rhizosphere micro-characteristics under different cadmium levels

Xuanzhen Li et al.

Summary: The study found that tobacco has a high efficiency in remediating Cd-contaminated soil, and can enrich different types of microbes under different Cd concentrations to increase Cd bioavailability.

CHEMOSPHERE (2022)

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Article Environmental Sciences

Biochar-N fertilizer interaction increases N utilization efficiency by modifying soil C/N component under N fertilizer deep placement modes

Hao Xia et al.

Summary: The combination of deep N fertilizer placement significantly increased maize yield and N uptake while reducing soil nitrogen loss, showcasing the benefits of sustainable agricultural practices in improving crop growth and environmental outcomes.

CHEMOSPHERE (2022)

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Review Engineering, Environmental

Roles of biochar-derived dissolved organic matter in soil amendment and environmental remediation: A critical review

Yuqing Sun et al.

Summary: Biochar is a promising carbonaceous material with abundant functional groups and mesoporous structure, showing potential in improving soil fertility, retaining nutrients, enhancing microbial activity, and immobilizing contaminants. The dissolved organic matter (DOM) from biochar plays a key role in soil matrix, microbial community, and fate of contaminants, with both positive and negative effects that are influenced by various factors such as the nature of biochar-derived DOM and environmental conditions. Understanding the long-term stability and interactions of biochar-derived DOM is critical for minimizing the ecological and environmental risks of biochar application.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Green & Sustainable Science & Technology

Fe/Al (hydr)oxides engineered biochar for reducing phosphorus leaching from a fertile calcareous soil

Yutao Peng et al.

Summary: The study developed an Fe/Al (hydr)oxides modified biochar (FA-BC) to reduce P leaching in calcareous soils, demonstrating its higher efficiency in P adsorption compared to raw biochar. The application of FA-BC significantly decreased total P leaching, while maintaining adequate levels of bioavailable P in the soil. Chemical sequestration tests and analyses further showed the transformation of labile Ca-P fractions into stabilized Fe/Al-P complexes, highlighting the superior P retention ability of FA-BC amended soils.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Plant Sciences

Optimization of biochar and nitrogen fertilizer in rice cultivation

Seyed Mehdi Seyedghasemi et al.

Summary: The experiment determined the optimal application rates of biochar and nitrogen fertilizer at two different sites, and calculated and compared them based on economic, environmental, and economic-environmental scenarios.

JOURNAL OF PLANT NUTRITION (2021)

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Review Agricultural Engineering

Role of microbial diversity to influence the growth and environmental remediation capacity of bamboo: A review

Priya Fuke et al.

Summary: Soil microorganisms play a crucial role in maintaining the global nutrient cycle, while the diversity of bamboo rhizospheric microbial communities has a significant impact on bamboo growth and soil nutrient levels. The study also discusses the potential of bamboo in phytoremediation and environmental management.

INDUSTRIAL CROPS AND PRODUCTS (2021)

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Review Engineering, Environmental

A critical review on performance indicators for evaluating soil biota and soil health of biochar-amended soils

Mingjing He et al.

Summary: The amendment of soil with biochar is a widely studied method for improving soil quality in terms of biotic and abiotic functionalities. The effectiveness of biochar-based amendment varies depending on site characteristics, biochar properties, and soil management objectives. This review critically analyzes soil health indicators related to physicochemical and biological properties, highlighting the importance of prioritizing certain basic indicators like soil pH, aggregate stability, and organic matter, while selecting relevant functional indicators based on specific soil management targets in agricultural soils.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Forestry