Intervention effectmodel-written summary

Biochar combined with poultry manure improved soil fertility status in the onion system.

A claim from Effects of the application of biochar on soil fertility status, and nutrition and yield of onion grown in a no-tillage system · 2021

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Biochar combined with poultry manure improved soil fertility status in the onion system.

Taxon
onionAllium cepat0
Treatment
biochar combined with poultry manuree0
Outcome
soil fertility statuse0
Direction
improvede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“onion grown in a no-tillage system”

✓ located verbatim in the source · title, characters 91–125
e0

“the use of biochar combined with poultry manure improved soil fertility status.”

✓ located verbatim in the source · abstract, characters 981–1060

Title

Effects of the application of biochar on soil fertility status, and nutrition and yield of onion grown in a no-tillage system

Fábio Satoshi Higashikawa; Carlos Alberto Silva; Carla Eloize Carducci; et al. Archives of Agronomy and Soil Science 2021. doi:10.1080/03650340.2021.1978073

Other claims from this paper (3)

Record rev-c8e33db026c3e07c8533c7bd7e29f53b0755fcc4e9d860826be9294da92dbbb6 · schema claims-v0.9 · position 4 in the model’s answer

fertilization · soil: chemistry · Allium cepa (onion)Positive and negative results

33 papers: 32 positive, 1 negative or no effect

31 papers in the same direction as this claim · 1 in the opposite direction

  1. no effect
    Compost and manure had no significant interaction effect on soil pH.

    The Effectiveness of Oil Palm Empty Bunch Compost and Goat Manure on Shallots Cultivated on Red Yellow Podzolic Soil · 2022

    Opposite direction

  2. positive
    Compost amendment improved soil pH, TOC and TKN relative to control in an onion field trial.

    Effect of agro industrial wastes compost on soil health and onion yields improvements: study at field condition · 2019 · compared with control

    Same direction

  3. positive
    Two-split 125% NPK through CF gave the highest available nitrogen, 213 kg ha-1.

    Effect of different levels of customized fertilizer on soil nutrient availability, yield and economics of onion · 2015

    Same direction

  4. positive
    The same treatment increased soil pH by 6.83.

    Combined application of mulches and organic fertilizers enhance shallot production in dryland · 2019

    Same direction

  5. positive
    Integrated fertilization improved soil organic carbon.

    Integrated nutrient management for sustainable onion production · 2015

    Same direction

  6. positive
    T6 increased soil organic carbon by 58% over T2.

    Soil enzymes, microbial biomass carbon and microbial population as influenced by integrated nutrient management under onion cultivation in sub-tropical zone of Jammu · 2019 · compared with 100% NPK treated plots

    Same direction

  7. positive
    Compost enriched soil fertility, particularly P, K and Zn, in onion plots.

    Effects of compost on onion quality, yield, and thrips infestation · 2022

    Same direction

  8. positive
    Rabbit manure increased media pH.

    Quality of Growth Media and Yields of Allium ascolanicum L. on Ultisol Soil Combined with Rabbit Manure · 2021

    Same direction

24 papers more in this group

See all 33 papers →

biochar · soil: chemistry · Allium cepa (onion)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this claim

  1. positive
    RSB significantly improved soil fertility.

    RICE-DERIVED BIOCHARS ENHANCE THE YIELD OF SPRING ONION (ALLIUM CEPA L. VAR. AGGREGATUM), WHILE REDUCING PESTICIDE CONTAMINATION IN SOIL AND PLANT · 2021

    Same direction

  2. positive
    Coconut shell biochar significantly increased soil pH.

    Effect of Coconut Shell Biochar Application on the Effectivity of NPK Fertilizer in Red Onion (Allium ascalonicum L.) Cultivation · 2022

    Same direction

See all 3 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.