Effects of slow and fast pyrolysis biochar on soil C and N turnover dynamics

• Published in: Soil biology & biochemistry Vol. 46; pp. 73 - 79
• Main Authors: Bruun, Esben W., Ambus, Per, Egsgaard, Helge, Hauggaard-Nielsen, Henrik
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier Ltd 01.03.2012; Elsevier
• Subjects: Agronomy. Soil science and plant productions; Bio-char; biochar; Biochemistry and biology; Biological and medical sciences; carbohydrate content; carbon dioxide; Carbon sequestration; centrifuges; Charcoal; Chemical, physicochemical, biochemical and biological properties; emissions; Fundamental and applied biological sciences. Psychology; microbial biomass; Microbiology; mineralization; nitrogen; Nitrogen immobilization; ovens; particle size; Physics, chemistry, biochemistry and biology of agricultural and forest soils; polymerase chain reaction; pyrolysis; Pyrolysis centrifuge reactor; Soil microbial biomass; Soil science; soil treatment; sugars; surface area; Triticum aestivum; wheat straw; Nitrogen immobilization; Bio-char; Soil microbial biomass; Pyrolysis centrifuge reactor; Carbon sequestration; Triticum aestivum; Charcoal; Monocotyledones; Dynamic characteristic; Immobilization; Flash pyrolysis; Nitrogen; Biochar; Microbial biomass; Cereal crop; Carbonization; Carbon cycle; Soils; Nitrogen cycle; Gramineae; Angiospermae; Spermatophyta; Soil science; Reactor

This study compared the effect of two principal pyrolysis methods on the chemical characteristics of biochar and the impact on C and N dynamics after soil incorporation. Biochar was produced from wheat straw that was thermally decomposed at 525 °C by slow pyrolysis (SP) in a nitrogen flushed oven an...