Intervention effectmodel-written summary

Manure and biochar stimulated forage sorghum growth and production relative to control.

A claim from Poultry manure-derived biochar as a soil amendment and fertilizer for sandy soils under arid conditions · 2019

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Manure and biochar stimulated forage sorghum growth and production relative to control.

Taxon
forage sorghume0
Treatment
poultry manure (PM) and its derived biochar (PMB) applicatione0
Outcome
vigorous growth and production levelse0
Direction
stimulatee0
Comparator
controle0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

Verbatim

e0

“poultry manure (PM) and its derived biochar (PMB) application had the capacity to stimulate vigorous growth and production levels of wheat (Triticum aestivum L.) and forage sorghum (Sorghum bicolor L.), and to increase soil organic matter content and N-uptake and recovery compared to control.”

✓ located verbatim in the source · abstract, characters 950–1243

Title

Poultry manure-derived biochar as a soil amendment and fertilizer for sandy soils under arid conditions

Wagih Mohamed; Amr Hammam Egyptian Journal of Soil Science 2019. doi:10.21608/ejss.2019.6535.1229

Other claims from this paper (5)

Record rev-335f59faaef55ff2b1d772ffb204c37f38f38ffafac406c7c313d8b809fc64a6 · schema claims-v0.9 · position 4 in the model’s answer

biochar · yield · SorghumPositive and negative results

14 papers: 13 positive, 1 negative or no effect

12 papers in the same direction as this claim · 1 reporting no difference from an alternative

  1. positive
    Grain production was higher after adding biochar made at 400 °C.

    Effects of Biochar Application in a Sorghum Crop under Greenhouse Conditions: Growth Parameters and Physicochemical Fertility · 2020

    Same directionCites this paper

  2. no effect
    Adding biochar to FM did not improve yield gains attributable to FM.

    Fertiliser Microdosing and Organic Amendments as an Integrated Soil Fertility Management Strategy: Evidence From On‐Farm Sorghum Trials in Burkina Faso · 2026 · compared with FM alone

    No difference from an alternative

  3. positive
    Pine wood biochar applied together with P fertilizer to a calcareous soil increased sorghum biomass yield by 42% relative to P fertilizer alone.

    Plant growth responses to biochar amendment of Mediterranean soils deficient in iron and phosphorus · 2015 · compared with the sole application of the P fertilizer

    Same direction

  4. positive
    The amendment combination increased green forage yield to 31.8 Mg ha−1.

    Combined Application of Organic and Inorganic Amendments Improved the Yield and Nutritional Quality of Forage Sorghum · 2022 · compared with control treatment

    Same direction

  5. positive
    BC and BCSC treatments increased sorghum yield by 132.9-192.3%.

    Biochar-compost amendment enhanced sorghum growth and yield by improving soil physicochemical properties and shifting soil bacterial community in a coastal soil · 2022

    Same direction

  6. positive
    Biochar increased dry matter yield.

    Soil respiration, root traits and dry matter yield of sorghum (Sorghum bicolor L.) as affected by biochar application under different cropping patterns and irrigation method · 2020

    Same direction

  7. positive
    Digestate with biochar gave the highest sorghum biomass production.

    The effect of digestate from biogas plants alone and with the addition of biochar and zeolite on soil properties and sorghum yield · 2025

    Same direction

  8. positive
    Biochar increased yield from 1.5 4 to 2.65 t.ha −1 with NPK fertilization.

    Mitigation of drought disaster in sorghum (Sorghum bicolor l. Moench) in Ultisol soil with application of soil amendments and NPK for diversification and improvement of food security · 2023

    Same direction

5 papers more in this group

See all 14 papers →

fertilization · yield · SorghumPositive and negative results

446 papers: 418 positive, 28 negative or no effect

417 papers in the same direction as this claim · 21 in the opposite direction · 7 reporting no difference from an alternative

  1. no effect
    N fertilizers did not significantly affect ethanol yield.

    Agronomic Practices for Production of Ethanol from Sweet Sorghum · 1991

    Opposite direction

  2. no effect
    Sorghum biomass production did not increase significantly with compost rate.

    Linking Soil Health to Sustainable Crop Production: Dairy Compost Effects on Soil Properties and Sorghum Biomass · 2019

    Opposite direction

  3. no effect
    Nitrogen rate and timing had no significant effect on days to emergency, days to heading and thousand kernel weight of sorghum.

    Effects of Nitrogen Fertilizer Quantity and Time of Application on Sorghum (Sorghum bicolor (L.) Moench) Production in Lowland Areas of North Shewa, Ethiopia · 2021

    Opposite direction

  4. no effect
    Nitrogen did not affect first-year sorghum yield after legumes.

    NITROGEN, PHOSPHORUS, AND POTASSIUM EFFECTS ON GRAIN SORGHUM PRODUCTION AND STALK ROT FOLLOWING ALFALFA AND BIRDSFOOT TREFOIL · 2011

    Opposite direction

  5. no effect
    Late N applications after 40 days had little effect on sweet sorghum stalk or grain yield.

    Efficiency of nitrogen fertilization in sweet sorghum · 1985

    Opposite direction

  6. no effect
    Manure level did not significantly affect sorghum dry matter yield in 2001.

    Comparative study on yield and chemical composition of maize (Zea mays L.) and sorghum (Sorghum bicolor Moench) using different levels of manure application · 2007

    Opposite direction

  7. no effect
    Increasing N fertilization from 56 to 112 kg ha −1 did not increase sweet sorghum production.

    Cover crop and tillage affect sweet sorghum production and soil chemical properties · 2020 · compared with from 56

    Opposite direction

  8. no effect
    Nitrogen supply or installment did not change yield components of rainfed sorghum after soybean.

    GRAIN SORGHUM GROWN AS SECOND CROP AND INOCULATED WITH Azospirillum brasilense ASSOCIATED WITH NITROGEN FERTILIZATION · 2021

    Opposite direction

437 papers more in this group

See all 446 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.