Bruno Glaser
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View article: Biochar Permanence—A Policy Commentary
Biochar Permanence—A Policy Commentary Open
The application of biochar to soil is a highly durable nature‐based carbon dioxide removal (CDR) pathway. It provides certifiable climate‐change mitigation, with mean carbon residence times exceeding 1,000 years, and additional co‐benefits…
View article: Towards understanding the long-term fate of biochar in Terra Preta
Towards understanding the long-term fate of biochar in Terra Preta Open
Terra Preta soils, or anthropogenic dark earths (ADE), were formed beneath pre-Columbian settlements in Central Amazonia. Unlike surrounding weathered soils poor in soil organic matter, ADE soils are rich in nutrients and C, largely becaus…
View article: Relevance of biochar metabolization—evidence from a long-term biochar field experiment
Relevance of biochar metabolization—evidence from a long-term biochar field experiment Open
Biochar soil amendments are a promising strategy for long-term carbon dioxide removal due to their high aromaticity and low decay rate. While complete degradation of biochar was formerly investigated by CO 2 measurements and found to be ne…
View article: Vertical biochar transport in soil in a long-term field experiment in Germany
Vertical biochar transport in soil in a long-term field experiment in Germany Open
The long-term stability of biochar is valuable for carbon sequestration in soil. Biochar’s aromatic structure inhibits microbial decomposition and prolongs the mean residence time of this organic soil amendment. During residence in s…
View article: Century of forest conservation sequesters wood-derived particulate organic matter
Century of forest conservation sequesters wood-derived particulate organic matter Open
Forest soils are substantial sinks for carbon, yet the effectiveness of management practices such as strict conservation to sequester more soil organic carbon is unknown. A complication is the increase in forest disturbance due to climate …
View article: Impact of Biochar Aging on Soil Physicochemical Properties
Impact of Biochar Aging on Soil Physicochemical Properties Open
Biochar undergoes significant transformations in soil as a result of chemical, physical, and biological processes. These alterations can impact its initial properties, influencing both its agronomic effectiveness and its capacity for carbo…
View article: Evaluation aging of biochar application to deficient N soils on their N cycling using 15N isotope tracer, plant growth and soil biochemical parameters
Evaluation aging of biochar application to deficient N soils on their N cycling using 15N isotope tracer, plant growth and soil biochemical parameters Open
Soil degradation caused by climate change leads to unfavorable conditions for soil and crop growth in many countries. Therefore, the use of soil organic amendments (OSAs) are promoted for crop growth and increase fertility in soils. A popu…
View article: The evolution of Central German Chernozems/Phaeozems since the Early Bronze Age between natural soil alteration and human overprinting 
The evolution of Central German Chernozems/Phaeozems since the Early Bronze Age between natural soil alteration and human overprinting  Open
Black-colored humus-rich Chernozems and closely related Phaeozems are among the most fertile soils of the world, and were often used for agriculture over several millennia. The westernmost continuous Chernozem/Phaeozem region of Eurasia is…
View article: Farmers’ perceptions of Terminalia brownii management in agroforestry Parklands and its impact on soil physicochemical properties in the South Ari District, Southern Ethiopia
Farmers’ perceptions of Terminalia brownii management in agroforestry Parklands and its impact on soil physicochemical properties in the South Ari District, Southern Ethiopia Open
Smallholder farmers in the South Ari District of southern Ethiopia retain natural forest remnants of Terminalia brownii trees in their crop fields. However, little is known about their perceptions of its management in crop fields and its i…
View article: Impact of Biochar Aging on Soil Physicochemical Properties
Impact of Biochar Aging on Soil Physicochemical Properties Open
Biochar undergoes significant transformations in soil as a result of chemical, physical, and biological processes. These alterations can impact its initial properties, influencing both its agronomic effectiveness and its capacity for carbo…
View article: Effects of canopy management of umbrella tree (Terminalia brownii Fres.) on microclimate and maize (Zea mays L.) yield in agroforestry parkland of South Ari District, southern Ethiopia
Effects of canopy management of umbrella tree (Terminalia brownii Fres.) on microclimate and maize (Zea mays L.) yield in agroforestry parkland of South Ari District, southern Ethiopia Open
Introduction Traditionally, some smallholder farmers in the South Ari District of southern Ethiopia retain natural forest remnant trees on their crop fields, and they manage them through pruning and pollarding techniques. Among these, the …
View article: Long-term biochar and soil organic carbon stability – Evidence from field experiments in Germany
Long-term biochar and soil organic carbon stability – Evidence from field experiments in Germany Open
Organic soil amendments (OSA) with long residence times, such as biochar, have a high potential for soil organic carbon (SOC) sequestration. The highly aromatic structure of biochar reduces microbial decomposition and explains the slow tur…
View article: Terpenoid profiling of keystone plant species of the Bale Mountains, Ethiopia: Implications for chemotaxonomy and paleovegetation studies
Terpenoid profiling of keystone plant species of the Bale Mountains, Ethiopia: Implications for chemotaxonomy and paleovegetation studies Open
The Sanetti Plateau is Africa's largest Afro-alpine ecosystem. As part of an ongoing effort to reconstruct the paleo-extent of Ericaceous vegetation in this ecosystem, we aim to identify unambiguous Erica biomarkers. Here, we present a res…
View article: Terra Preta production from Ghanaian and Zambian soils using domestic wastes
Terra Preta production from Ghanaian and Zambian soils using domestic wastes Open
Quests for productive soils to close yield gaps call for innovative strategies. This study tested an off-site formation of the Amazonian Terra Preta (TP) in a potential modern analogon under coastal savannah climatic conditions of Ghana. F…
View article: Aging of biochar in a Cambisol for 13 years under organic farming field conditions affects its chemical structure but still shows positive impacts on plant growth
Aging of biochar in a Cambisol for 13 years under organic farming field conditions affects its chemical structure but still shows positive impacts on plant growth Open
Soil deterioration due to excessive fertilization and climate change has adverse effects on crop growth globally. In order to enhance soil fertility, application of organic soil amendments has gained importance. One of them represents bioc…
View article: Biochar enhanced microbial carbon use efficiency, while reducing mineralization of added and native soil organic carbon
Biochar enhanced microbial carbon use efficiency, while reducing mineralization of added and native soil organic carbon Open
Biochar can increase long-term soil organic carbon (SOC) storage due to its polyaromatic structure. In addition to the recalcitrant carbon (C) contained in the biochar itself, biochar can also increase SOC storage by adsorption or organic …
View article: Long-term biochar and soil organic carbon stability – evidence from long-term field experiments in Germany
Long-term biochar and soil organic carbon stability – evidence from long-term field experiments in Germany Open
Organic soil amendments with a long mean residence time (MRT), such as biochar have a high soil organic carbon (SOC) sequestration potential. The highly aromatic structure of biochar reduces microbial decomposition and explains the slow tu…
View article: Raw data Meta 1
Raw data Meta 1 Open
Raw data for Meta analysis
View article: Raw data Meta 1
Raw data Meta 1 Open
Raw data for Meta analysis
View article: Biochar reduced the mineralization of native and added soil organic carbon: evidence of negative priming and enhanced microbial carbon use efficiency
Biochar reduced the mineralization of native and added soil organic carbon: evidence of negative priming and enhanced microbial carbon use efficiency Open
Biochar has been widely recognized for its potential to increase carbon (C) sequestration and mitigate climate change. This potential is affected by how biochar interacts with native soil organic carbon (SOC) and fresh organic substrates a…
View article: Artificial formation of benzene polycarboxylic acids during sample processing of black carbon analysis: the role of organic carbon amount
Artificial formation of benzene polycarboxylic acids during sample processing of black carbon analysis: the role of organic carbon amount Open
Black carbon is also known as pyrogenic carbon formed by partial combustion of organic material under limited oxygen supply. It occurs along a continuum from original organic slightly charred material to highly aromatic combustion residues…
View article: Potential and Constraints of Use of Organic Amendments from Agricultural Residues for Improvement of Soil Properties
Potential and Constraints of Use of Organic Amendments from Agricultural Residues for Improvement of Soil Properties Open
Agricultural residues are produced in large quantities and their management is an issue all over the world. Many of these residues consist of plant materials in different degrees of transformation, so returning them back to soil is a manag…
View article: Understanding ice and water film formation on soil particles by combining DFT and Casimir-Lifshitz forces
Understanding ice and water film formation on soil particles by combining DFT and Casimir-Lifshitz forces Open
Thin films of ice and water on soil particles play crucial roles in environmental and technological processes. Understanding the fundamental physical mechanisms underlying their formation is essential for advancing scientific knowledge and…