Intervention effectmodel-written summary

Nitrogen fertilizer significantly increased crude protein yield.

A claim from Effect of nitrogen fertilizer on yield contributing character, biomass yield and nutritive value of cowpea forage · 1970

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Nitrogen fertilizer significantly increased crude protein yield.

Taxon
cowpea foragee0
Treatment
nitrogen fertilizere0
Outcome
crude protein yielde0
Direction
increasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Verbatim

e0

“application of nitrogen fertilizer significantly (P<0.01) increased the green, dry and organic matter, and crude protein yield of cowpea forage”

✓ located verbatim in the source · abstract, characters 606–749

Title

Effect of nitrogen fertilizer on yield contributing character, biomass yield and nutritive value of cowpea forage

MR Hasan; MA Akbar; ZH Khandaker; et al. Bangladesh Journal of Animal Science 1970. doi:10.3329/bjas.v39i1-2.9680

Other claims from this paper (9)

Record rev-d28c4972f100e29d53dff62b06bb3afe0a7627a2f8dd61e7a70b1245b959acd8 · schema claims-v0.9 · position 6 in the model’s answer

fertilization · quality: protein · Vigna unguiculata (cowpea)Positive and negative results

35 papers: 33 positive, 2 negative or no effect

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

  1. positive
    Nitrogen fertilizer application contributed to higher immature pod protein content.

    Cowpea Crude Protein as Affected by Cropping System, Site and Nitrogen Fertilization · 2014

    Same directionCites this paper

  2. no effect
    Brewery mash type bio-organic fertilizer had less influence on crude fiber, protein nitrogen and non-protein nitrogen in edible parts of cowpea.

    Effects of Brewery Mash Type Bio-organic Fertilizer on Yield and Quality of Cowpea · 2011

    Opposite direction

  3. no effect
    A blend of worm compost, biochar and 50% of the recommended fertilizer rate gave cowpea plants similar aboveground biomass, protein concentration and total protein production compared with the 100% fertilizer rate.

    Influence of alternative soil amendments on mycorrhizal fungi and cowpea production · 2018 · compared with plants receiving only the recommended (100%) rate of commercial fertilizer

    No difference from an alternative

  4. positive
    At 100 % RDF, protein content was highest and comparable to 75 % RDF.

    Effect of Bio Fertilizer and Fertility Levels on Yield, Protein Content and Nutrient Uptake of Cowpea [ Vigna unguiculata (L.) Walp.] · 2011 · compared with 75 % RDF

    Same direction

  5. positive
    With goat manure, Fahari dark had the highest crude protein concentration, 53.53 mg/ml.

    Protein content variation in cowpea genotypes (Vigna unguiculata L. Walp.) grown in the Eastern Cape province of South Africa as affected by mineralised goat manure · 2012

    Same direction

  6. positive
    Combined fertilizer and Rhizobium plus PSB increased protein content to 25.56 %.

    Effect of inorganic and bio-fertilizers on productivity and nutrients uptake in cowpea [Vigna Unguiculata (L.) Walp] · 2012 · compared with the control

    Same direction

  7. positive
    Seed protein content increased significantly up to 75% RDF and was at par with 100% RDF.

    Effect of fertility levels and foliar nutrition on profitability, nutrient content and uptake of cowpea [Vigna Unguiculata (L.) walp] · 2012 · compared with 100% RDF

    Same direction

  8. positive
    Recommended fertilizer gave higher cowpea green seed crude protein than most other treatments.

    Effect of organic manures on soil and quality parameters of cowpea[Vigna unguiculata (L.) Walp] under middle Gujarat conditions · 2016 · compared with rest of the treatments except, vermicompost 2 t ha-1 and poultry manure 2 t ha-1

    Same direction

26 papers more in this group

See all 35 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.