Intervention effectmodel-written summary

Rocket green manure with 11.25 kg P2O5 fed-1 maximized barley yield and phosphorus use efficiency.

A claim from Phosphorus Availability, Uptake and use Efficiency of Barley & Maize Yields as affected by Green Manures · 2020

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Rocket green manure with 11.25 kg P2O5 fed-1 maximized barley yield and phosphorus use efficiency.

Treatment
rocket as green manures with mineral phosphorus fertilizer at a rate of 11.25 kg P2O5 fed-1e0
Outcome
barley and maize yields and phosphorus use efficiencye0
Direction
maximizede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The use of rocket as green manures with mineral phosphorus fertilizer at a rate of 11.25 kg P2O5 fed-1(75% of RD)maximized barley and maize yields and phosphorus use efficiency.”

✓ located verbatim in the source · abstract, characters 1347–1524

Title

Phosphorus Availability, Uptake and use Efficiency of Barley & Maize Yields as affected by Green Manures

R. El-Dissoky; M. Aiad; Kholoud El-Naqma Journal of Soil Sciences and Agricultural Engineering /Journal of Soil Sciences and Agricultural Engineering 2020. doi:10.21608/jssae.2020.103590

Other claims from this paper (6)

Record rev-70f9dd7ffdfd7a24c223cab8db09885cf7ab8dbcb7ca299ad953e9131904d7fe · schema claims-v0.9 · position 6 in the model’s answer

phosphorus · yield · Hordeum vulgare (barley)Results differ

80 papers: 71 positive, 9 negative or no effect

70 papers in the same direction as this claim · 8 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Neither phosphorus application nor mycorrhizal inoculation increased tiller number.

    Effects of Arbuscular Mycorrhizal Fungi and Phosphorus Fertilization on Growth and Nutrient Uptake of Barley Grown on Soils with Different Levels of Salts · 2003

    Opposite direction

  2. negative
    Maximum yield with rock phosphate was generally 88-100% of that with superphosphate.

    Granular reactive apatite rock phosphate is not an effective phosphorus fertilizer in the short term on lateritic soils in south-western Australia. · 1986 · compared with superphosphate

    Opposite direction

  3. negative
    Termination of superphosphate lowered barley yield by 1.18 t/ha.

    Residual benefits of limestone and superphosphate on barley yields and soil-water deficits on a krasnozem in north-western Tasmania · 1995 · compared with superphosphate applied at 500 kg/ha.year

    Opposite direction

  4. no effect
    Maximum NPK doses did not increase productivity in arid conditions.

    The productivity and spring barley grain quality depending on mineral fertilizer systems · 2020

    Opposite direction

  5. no effect
    Barley yield did not increase statistically with phosphorus addition.

    Wheat and barley response to pre-plant phosphorus at Safford Agricultural Center, 2001-02 · 2000

    Opposite direction

  6. no effect
    P fertilization produced no significant grain-yield difference at any station.

    Effect of Long-Term N, P, and K Fertilizer Application on the Grain Yield of Spring Barley Grown in Different Soil and Climate Conditions: Results from Čáslav, Lukavec and Ivanovice 2005-2008 · 2011

    Opposite direction

  7. negative
    Under zinc deficient soil conditions, higher phosphorus reduced barley growth and production.

    The effects of different levels of phosphorus and zinc fertilizers on production and absorption in two barley species. · 2002

    Opposite direction

  8. negative
    Phosphorus expenditure yielded negative returns in barley.

    Wheat and Barley Response to Pre-plant Phosphorus at Safford Agriculural Center, 1999 · 1999

    Opposite direction

71 papers more in this group

See all 80 papers →

fertilization · yield · Hordeum vulgare (barley)Positive and negative results

550 papers: 473 positive, 77 negative or no effect

472 papers in the same direction as this claim · 66 in the opposite direction · 11 reporting no difference from an alternative

  1. no effect
    Neither phosphorus application nor mycorrhizal inoculation increased tiller number.

    Effects of Arbuscular Mycorrhizal Fungi and Phosphorus Fertilization on Growth and Nutrient Uptake of Barley Grown on Soils with Different Levels of Salts · 2003

    Opposite direction

  2. negative
    N fertilizer reduced relative yield totals.

    Root and Shoot Interactions Between Barley and Field Beans When Intercropped · 1982

    Opposite direction

  3. negative
    Nitrogen fertilizer alone did not raise yield on barley residue to yield on pulse residue.

    YIELD EFFECT OF PULSES ON SUBSEQUENT CEREAL CROPS IN THE NORTHERN PRAIRIES · 1990 · compared with pulse residue

    Opposite direction

  4. no effect
    Incorporation timing of feedlot cattle manure had no impact on soil or crop performance.

    Effect of rate, frequency and incorporation of feedlot cattle manure on soil nitrogen availability, crop performance and nitrogen use efficiency in east-central Saskatchewan · 2004

    Opposite direction

  5. no effect
    Cropping without nutrients did not significantly improve productivity of severely eroded land.

    EFFECTIVENESS OF MANURE AND COMMERCIAL FERTILIZER IN RESTORING PRODUCTIVITY OF AN ARTIFICIALLY ERODED DARK BROWN CHERNOZEMIC SOIL UNDER DRYLAND CONDITIONS · 1988

    Opposite direction

  6. negative
    Manure lowered barley seed yield relative to mineral fertilizer.

    Manure, Tillage, and Crop Rotation: Effects on Residual Weed Interference in Spring Barley Cropping Systems · 1998 · compared with mineral fertilizer

    Opposite direction

  7. no effect
    Nitrogen rate did not alter leaf and primary tiller coordination in the remaining barley cultivars.

    The influence of fertiliser nitrogen application on development and number of reproductive primordia in field-grown two- and six-rowed barleys · 2004

    Opposite direction

  8. no effect
    Nitrogen topdressing did not affect tiller number at the end of shooting or harvest.

    Tillering Dynamics of Water Barley as Influenced by Cultivar and Nitrogen Fertilizer: A Field Study1 · 1984

    Opposite direction

541 papers more in this group

See all 550 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.