Intervention effectmodel-written summary

The combined treatment raised alfalfa dry yield in both seasons.

A claim from Effect of some agricultural treatments on the Egyptian alfalfa weevil, Hypera brunneipennis and their economic evaluation on yield and yield components in Egypt · 2023

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The combined treatment raised alfalfa dry yield in both seasons.

Taxon
alfalfaMedicago sativat0
Treatment
calcium super phosphate (15.5% P 2 O 5 ), potassium sulphate (50% K 2 O), microelements spraying and hand removing of weedse2
Outcome
dry yielde0
Direction
higheste1
Value
19.37 and 19.70 ton/feddane0
Comparator
the other treatments and the untreated checke3

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“dry yield (19.37 and 19.70 ton/feddan)”

✓ located verbatim in the source · abstract, characters 744–782
e1

“the highest total fresh (70.08 and 74.52 ton/feddan), dry yield”

✓ located verbatim in the source · abstract, characters 690–753
e2

“The treatment of calcium super phosphate (15.5% P 2 O 5 ), potassium sulphate (50% K 2 O), microelements spraying and hand removing of weeds”

✓ located verbatim in the source · abstract, characters 455–595
e3

“with significant differences compared with the other treatments and the untreated check”

✓ located verbatim in the source · abstract, characters 871–958
t0

“alfalfa”

✓ located verbatim in the source · title, characters 55–62

Title

Effect of some agricultural treatments on the Egyptian alfalfa weevil, Hypera brunneipennis and their economic evaluation on yield and yield components in Egypt

Ragab Sebaita Kandil; Fatma Mohamed Ahmed Abdelrahem; Mohsena R. K. Mansour Pest Management Science 2023. doi:10.1002/ps.7393

Other claims from this paper (5)

Record rev-2af90bc06a37b9bdbed6681b580e12b27cb49b2cdbb20f739a9f6fa05346d4cd · schema claims-v0.9 · position 3 in the model’s answer

calcium bis(dihydrogenphosphate) · yield · Medicago sativa (alfalfa)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this claim

  1. positive
    Deep placement of monocalcium phosphate increased phosphorus content and yield of droughted lucerne compared with surface application.

    Effects of surface moisture supply on the subsoil nutritional requirements of lucerne ( Medicago sativa L.) · 1973 · compared with application to surface layers

    Same direction

  2. positive
    Following sulphur, high lime, potassium chloride, high mono-calcium phosphate and sodium molybdate gave successively smaller total annual yield responses.

    The main effects and interactions of nutrients on the growth of irrigated lucerne · 1966

    Same direction

  3. positive
    Monocalcium phosphate and materials converted to it, such as calcium metaphosphate, gave the greatest yield increases in alfalfa.

    THE AVAILABILITY TO ALFALFA OF PHOSPHORUS FROM TWELVE DIFFERENT CARRIERS · 1959

    Same direction

See all 4 papers →

potassium sulfate · yield · Medicago sativa (alfalfa)Results agree

6 papers: 6 positive, 0 negative or no effect

5 papers in the same direction as this claim

  1. positive
    K2SO4 nanoparticles at the 1/8 level gave the highest shoot dry weight, relative yield and root length in both genotypes.

    Response of Alfalfa under Salt Stress to the Application of Potassium Sulfate Nanoparticles · 2017

    Same direction

  2. positive
    K2SO4 increased alfalfa herbage, root and total yield.

    Levels and Sources of Potassium for Alfalfa as Influenced by Temperature1 · 1971

    Same direction

  3. positive
    High alfalfa yields were obtained at all rates of K2SO4.

    Yield and Chemical Composition of Alfalfa as Influenced by High Rates of K Topdressed as KC1 and K2SO41 · 1976

    Same direction

  4. positive
    K2SO4 increased Baker alfalfa yield.

    Potassium Fertilization of Alfalfa Grown on a Soil High in Potassium1 · 1985

    Same direction

  5. positive
    All K sources increased alfalfa dry matter yield on all soils.

    Soil application of an aluminum industry by-product: Influences on soil chemistry and plant nutrition · 1996

    Same direction

See all 6 papers →

application · yield · Medicago sativa (alfalfa)Positive and negative results

38 papers: 31 positive, 7 negative or no effect

30 papers in the same direction as this claim · 6 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
    Combined foliar boron and manganese and bio-phosphorus produced the highest dried forage yield, about 24.00 t/ha.

    Response of alfalfa forage to phosphorus, boron and manganese based fertilizing systems · 2016

    Same directionCited by this paper

  2. negative
    Foliar selenium reduced first-year yields of all three crops by 16–37%.

    EFFECT OF FOLIAR-APPLIED SELENIUM ON YIELDS AND SELENIUM CONCENTRATION OF ALFALFA, TIMOTHY AND BARLEY · 1983

    Opposite direction

  3. no effect
    Manure injection did not change yield relative to surface application.

    Nitrous Oxide Emissions from Surface versus Injected Manure in Perennial Hay Crops · 2018

    Opposite direction

  4. no effect
    Dry matter production did not increase for at least 2 to 3 weeks after a spray application.

    Potato Leafhopper Management: Effects on Production and Quality of Alfalfa‐Timothy Mixtures · 1995

    Opposite direction

  5. no effect
    Alfalfa yield did not differ significantly among treatments.

    Response of Cotton, Alfalfa, and Cantaloupe to Foliar‐deposited Salt in an Arid Environment · 1987

    Opposite direction

  6. no effect
    Phosphonate sprays did not improve lucerne dry matter production.

    Lack of control of phytophthora root in lucerne ( Medicago sativa ) by foliar applications of phosphorus · 1991

    Opposite direction

  7. no effect
    Foliar or soil borax application did not significantly change alfalfa yield.

    Preliminary Studies on the Effect of Soil and Foliar Applications of Boron and Molybdenum on the Yield of Alfalfa · 1964

    Opposite direction

  8. no effect
    Foliar fungicide treatments did not differ in forage yield.

    Alfalfa Establishment and Production with Continuous Alfalfa and Following Soybeans1 · 1983 · compared with foliar fungicide treatments

    No difference from an alternative

29 papers more in this group

See all 38 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.