Intervention effectmodel-written summary

Microdose plus 20 kg P and 30 kg N per ha increased grain yield of Framida by 420 to 756 kg per ha.

A claim from ‘Water and fertilizer influence on yield of grain sorghum varieties produced in Burkina Faso · 2009

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Microdose plus 20 kg P and 30 kg N per ha increased grain yield of Framida by 420 to 756 kg per ha.

Taxon
Grain sorghumSorghum bicolore0
Material
Framidae4
Treatment
microdose + 20 kg P ha−1 + 30 kg N ha−1e4
Outcome
grain yield increasese4
Direction
increasese4
Value
420 to 756 kg ha−1e4

Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Sorghum bicolor
Sorghum bicolor · TaxonNo machine-readable author provided. Pethan assumed (based on copyright claims). · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“grain sorghum varieties”

✓ located verbatim in the source · title, characters 44–67
e0

“Grain sorghum [Sorghum bicolor (L.) Moench]”

✓ located verbatim in the source · abstract, characters 0–43
e4

“microdose + 20 kg P ha−1 + 30 kg N ha−1) produced the highest grain yield increases from 420 to 756 kg ha−1 for Framida and from 812 to 1346 kg ha−1 for IRAT9”

✓ located verbatim in the source · abstract, characters 1171–1329

Title

‘Water and fertilizer influence on yield of grain sorghum varieties produced in Burkina Faso

S. Palé; S.C. Mason; S.J.B. Taonda South African Journal of Plant and Soil 2009. doi:10.1080/02571862.2009.10639939

Other claims from this paper (8)

Record rev-cdcbd0786cd5222e36980f07985a47d11a36a59bcc8d859ea962d6d0e420644a · schema claims-v0.9 · position 4 in the model’s answer

nitrogen · yield · Sorghum bicolor (sorghum)Results differ

100 papers: 80 positive, 20 negative or no effect

79 papers in the same direction as this claim · 17 in the opposite direction · 3 reporting no difference from an alternative

  1. no effect
    Fertilizer N did not increase sorghum yield in the four-crop rotation.

    Crop Rotation Affects Corn, Grain Sorghum, and Soybean Yields and Nitrogen Recovery · 2016

    Opposite direction

  2. no effect
    N rates from 0 to 224 kg N ha-1 gave no yield differences in 2011.

    Nitrogen Use Efficiency and Yield Response of High Biomass Sorghum in the Lower Midwest · 2016

    Opposite direction

  3. no effect
    PCU maintained grain yield.

    Can split or delayed application of N fertiliser to grain sorghum reduce soil N2O emissions from sub-tropical Vertosols and maintain grain yields? · 2019

    Opposite direction

  4. negative
    In a growth chamber, a high P rate as banded AOP retarded dry-matter yield of grain sorghum.

    Field and Growth‐Chamber Evaluations of Potassium Polyphosphate · 1975

    Opposite direction

  5. negative
    Green manure of clover without added N gave higher grain sorghum yields than conventional disk tillage in 3 of 4 years.

    Tillage and clover cover crop effects on grain sorghum yield and nitrogen uptake · 1990 · compared with conventional disk tillage

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  6. no effect
    Grain yield did not increase above 112 kg/ha applied nitrogen.

    Response of Ratooning Grain Sorghum to Nitrogen Fertilizer and Insecticides1 · 1981

    Opposite direction

  7. negative
    Lower nitrogen supply and osmotic potential significantly decreased sorghum dry matter yield, total nitrogen, uptake rate, and leaf expansion under continuous stress.

    Comparison of the effects of continuous and relieved water stress on nitrogen nutrition of grain sorghum · 1988

    Opposite direction

  8. no effect
    Nitrogen and phosphorus additions did not influence sorghum days to bloom, stover yield, or grain and stover nitrogen percentage.

    Uptake and distribution of nitrogen and phosphorus in grain sorghum hybrids and their parents · 1980

    Opposite direction

91 papers more in this group

See all 100 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.