Claim · model-written summary
Biochar amendment decreased soil bulk density relative to the unamended field.
- Taxon
- rice
Oryza sativat0 - Treatment
- amended with biochar (BA)e1
- Outcome
- bulk densitye2
- Direction
- decreasede2
- Comparator
- NB fielde2
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“A rice farm trial”
e1“in a field amended with biochar (BA) (equivalent to 10 t ha−1) in 2009 and an adjacent field with no biochar (NB)”
e2“Compared to NB field, SOC storage increased by 45%, total and available nitrogen pool enhanced by approximately 30% while the bulk density decreased and soil pH unchanged in BA field”
Title
Haifei Lu; Rongjun Bian; Xin Xia; et al. Geoderma 2020. doi:10.1016/j.geoderma.2020.114567
Other claims from this paper (9)
- Intervention effect Biochar amendment increased soil organic carbon storage by 45% relative to the unamended field.
- Intervention effect Biochar amendment enhanced total and available nitrogen pool by approximately 30% relative to the unamended field.
- Intervention effect Biochar amendment left soil pH unchanged relative to the unamended field.
- Intervention effect Biochar amendment increased the mean weight diameter of water-stable aggregates by 25% relative to the unamended field.
- Intervention effect Biochar amendment enhanced microbial biomass nitrogen and enzyme activities by approximately 30% relative to the unamended field.
- Intervention effect Biochar amendment increased total bacterial abundance by 32% relative to the unamended field, with community structure altered.
- Intervention effect Biochar amendment significantly decreased microbial abundance of amino acid metabolism and fungal pathotrophs relative to the unamended field.
- Intervention effect Biochar amendment was linked to a higher (10%) rice grain yield relative to the unamended field, as reported previously.
- Intervention effect Biochar amendment was linked to lower rice yield inter-annual variability relative to the unamended field, as reported previously.