Claim · model-written summary
Biochar with N application gave low rice root diameter during the jointing and booting stages.
- Taxon
- rice
Oryza sativae2 - Treatment
- biochar with N applicatione0
- Outcome
- root diametere1
- Direction
- lowe1
- Qualifier
- during the jointing and booting stagese1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biochar with N application promoted root growth at tillering”
e1“reduced root biomass but maintained root length with low root diameter and high specific root length during the jointing and booting stages”
e2“both biochar and N fertilizer significantly promoted rice growth”
Title
Bitao Liu; Hongliang Li; Hongbo Li; et al. GCB Bioenergy 2020. doi:10.1111/gcbb.12766
Other claims from this paper (17)
- Intervention effect Biochar significantly promoted rice growth; its interaction with N fertilizer was significant only in some cases.
- Intervention effect N fertilizer significantly promoted rice growth.
- Intervention effect Biochar enhanced rice shoot biomass and N accumulation across growth stages.
- Intervention effect N fertilizer enhanced rice shoot biomass and N accumulation across growth stages.
- Intervention effect Biochar increased rice grain yield.
- Intervention effect N fertilizer increased rice grain yield.
- Intervention effect N fertilizer promoted rice root growth regardless of biochar application.
- Intervention effect Biochar without N fertilizer increased rice root biomass and length during the whole growth period, except the booting stage.
- Intervention effect Biochar with N application promoted rice root growth at tillering.
- Intervention effect Biochar with N application reduced rice root biomass during the jointing and booting stages.
- Intervention effect Biochar with N application maintained rice root length during the jointing and booting stages.
- Intervention effect Biochar with N application gave high specific root length during the jointing and booting stages.
- Intervention effect Biochar with N application delayed rice root senescence in the grain filling stage.
- Intervention effect Long-term biochar and N fertilizer applications reduced topsoil bulk density by 10%–12% compared with the control with no N fertilizer and no biochar.
- Intervention effect Long-term biochar application improved soil total organic carbon.
- Intervention effect Long-term biochar application improved concentrations of available N, phosphorus and potassium in soil.
- Intervention effect Biochar and N fertilizer applied together significantly reduced nitrate and ammonium concentration in leachate at different soil depths.