Intervention effectmodel-written summary

The split plus GreenSeeker N program produced maximum grain yield of 6.60 t/ha.

A claim from Nitrogen management in irrigated wheat (Triticum aestivum) using optical sensor GreenSeeker · 2001

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The split plus GreenSeeker N program produced maximum grain yield of 6.60 t/ha.

Treatment
25 + 50 kg N/ha at sowing and 25 days after sowing (DAS) and GreenSeeker guided N application at second and third irrigation i.e. 33 and 31 kg N/hae0
Outcome
grain yielde0
Direction
maximume0
Value
6.60 t/hae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Application of 25 + 50 kg N/ha at sowing and 25 days after sowing (DAS) and GreenSeeker guided N application at second and third irrigation i.e. 33 and 31 kg N/ha produced maximum grain yield (6.60 t/ha) and saved 11 kg N/ha.”

✓ located verbatim in the source · abstract, characters 235–460
t0

“wheat”

✓ located verbatim in the source · title, characters 33–38

Title

Nitrogen management in irrigated wheat (Triticum aestivum) using optical sensor GreenSeeker

REKHA RATANOO; SATISH KUMAR; A.K. DHAKA; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v61i1.4331

Other claims from this paper (6)

Record rev-34041393d870890bcf30dec90af51da4b804d1b6919fe677136f218dcebe5894 · schema claims-v0.9 · position 1 in the model’s answer

irrigation · yield · Triticum aestivum (wheat)Positive and negative results

989 papers: 798 positive, 191 negative or no effect

797 papers in the same direction as this claim · 184 in the opposite direction · 7 reporting no difference from an alternative

  1. negative
    Minimum irrigation lowered average winter wheat yield by 14% versus full irrigation.

    Performance of Double‐Cropped Winter Wheat–Summer Maize under Minimum Irrigation in the North China Plain · 2006 · compared with fully irrigated treatment (FI)

    Opposite direction

  2. no effect
    Moderately saline water substituted for good quality water during part of the season maintained total wheat grain yield.

    Time of Salt Stress Affects Growth and Yield Components of Irrigated Wheat · 1994 · compared with good quality water

    Opposite direction

  3. negative
    Saline irrigation caused soil salinization and reduced wheat growth and yield.

    Effect of Straw Biochar on Soil Properties and Wheat Production under Saline Water Irrigation · 2019

    Opposite direction

  4. negative
    Deficit irrigation in salt-affected soil reduced wheat productivity.

    Collaborative Impact of Compost and Beneficial Rhizobacteria on Soil Properties, Physiological Attributes, and Productivity of Wheat Subjected to Deficit Irrigation in Salt Affected Soil · 2022

    Opposite direction

  5. negative
    Wastewater irrigation decreased plant height, leaf area and grain yield in wheat.

    Effect of Wastewater Irrigation on Photosynthesis, Growth, and Anatomical Features of Two Wheat Cultivars (Triticum aestivum L.) · 2020

    Opposite direction

  6. no effect
    An additional 33 mm of irrigation did not increase grain yield.

    Source–sink balance and manipulating sink–source relations of wheat indicate that the yield potential of wheat is sink-limited in high-rainfall zones · 2010

    Opposite direction

  7. no effect
    DI water saving had no effect on wheat yield.

    Yield and water productivity of maize and wheat under deficit and raised bed irrigation practices in Egypt · 2012

    Opposite direction

  8. negative
    Limited irrigation yielded 99% of full irrigation for winter wheat.

    Cropping Systems for Stretching Limited Irrigation Supplies · 1993 · compared with fully irrigated

    Opposite direction

980 papers more in this group

See all 989 papers →

nitrogen · yield · Triticum aestivum (wheat)Positive and negative results

2,061 papers: 1,737 positive, 324 negative or no effect

1,736 papers in the same direction as this claim · 285 in the opposite direction · 39 reporting no difference from an alternative

  1. positive
    In 1990, nitrogen application at growth stage 10 yielded more grain than application at stage 4 or 6.

    Nitrogen Fertilization Timing Effect on Wheat Production, Nitrogen Uptake Efficiency, and Residual Soil Nitrogen · 1993 · compared with application at GS 4 or 6

    Same directionCited by this paper

  2. negative
    The lowest N rates reduced grain number per square metre at any given photothermal quotient.

    The effects of radiation and nitrogen on number of grains in wheat · 1995

    Opposite direction

  3. negative
    Severe drought with low nitrogen reduced grain yields.

    Nitrogen Nutrition Improves the Potential of Wheat (Triticum aestivum L.) to Alleviate the Effects of Drought Stress during Vegetative Growth Periods · 2016

    Opposite direction

  4. negative
    Low nitrogen reduced grain yield to 4.3 t/ha.

    The Effects of Prolonged Drought and Nitrogen Fertilizer on Root and Shoot Growth and Water Uptake by Winter Wheat · 1989 · compared with both N and water

    Opposite direction

  5. negative
    Terminal spikelet production was delayed by about 2 d at these N treatments in Aroona.

    Leaf Emergence, Tiller Growth, and Apical Development of Nitrogen‐Dificient Spring Wheat · 1993

    Opposite direction

  6. no effect
    Nitrogen level, N timing and seeding rate had no significant effect on spring wheat grain yield across environments.

    Seeding Rate and Nitrogen Management Effects on Spring Wheat Yield and Yield Components · 2007

    Opposite direction

  7. no effect
    ear weight changed with two nitrogen treatments.

    Effect of source‐sink relations and nitrogen nutrition on senescence and N remobilization in the flag leaf of wheat · 1991

    Opposite direction

  8. negative
    In some environments, higher nitrogen rates lowered wheat yield.

    Graphic Analysis of Genotype, Environment, Nitrogen Fertilizer, and Their Interactions on Spring Wheat Yield · 2004

    Opposite direction

2,052 papers more in this group

See all 2,061 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.