Intervention effectmodel-written summary

Liquid ammonia gas, 14-day irrigation and compost gave the highest wheat grain yields in both years.

A claim from Enhancing the Proficiency of Water Use in Wheat Through Nitrogen Forms, Irrigation Intervals and Soil Conditioners · 2018

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Liquid ammonia gas, 14-day irrigation and compost gave the highest wheat grain yields in both years.

Treatment
applying liquid ammonia gas, irrigation at 14‐day intervals and addition of composte0
Outcome
wheat grain yieldse0
Direction
higheste0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

“the highest wheat grain yields in both years were detected from a combination of applying liquid ammonia gas, irrigation at 14‐day intervals and addition of compost”

✓ located verbatim in the source · abstract, characters 680–844

Title

Enhancing the Proficiency of Water Use in Wheat Through Nitrogen Forms, Irrigation Intervals and Soil Conditioners

S.M.M. Abdou; R. Ahmed Azza; S. Naresh Kumar; et al. Irrigation and Drainage 2018. doi:10.1002/ird.2258

Other claims from this paper (6)

Record rev-9428a92bd23a717f58a313b794520fe8f38375c7effcbcd2567e168b61a4f1c6 · schema claims-v0.9 · position 1 in the model’s answer

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

21 papers: 15 positive, 6 negative or no effect

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

  1. positive
    Four irrigations with 75 kg N per feddan gave Misr-1 the highest yield and yield components.

    Response of some wheat varieties to irrigation and nitrogen fertilization using ammonia gas in North Nile Delta region · 2015

    Same directionCited by this paper

  2. negative
    Nitrite and ammonia strongly inhibited C2H4 production.

    Verification of Nitrogenase Activity (C2h2 Reduction) in Azospirillum Populated, 2,4-Dichlorophenoxyacetic Acid Induced, Root Structures of Wheat · 1993

    Opposite direction

  3. negative
    Anhydrous ammonia at 40 kg N ha −1 reduced wheat yield relative to urea in specified 2008 and 2010 applications.

    Nitrogen form, time and rate of application, and nitrification inhibitor effects on crop production · 2013 · compared with urea

    Opposite direction

  4. no effect
    Yield response to liquid anhydrous ammonia and solid ammonium nitrate was similar for wheat and barley.

    Comparisons of anhydrous ammonia with solid ammonium nitrate for spring barley and winter wheat 1967–70 · 1973 · compared with solid ammonium nitrate

    Opposite direction

  5. no effect
    AA and urea did not consistently differ in yield.

    Effects of banded ammonia and urea fertiliser on soil properties and the growth and yield of wheat · 2014 · compared with urea

    No difference from an alternative

  6. no effect
    Anhydrous ammonia had no effect on wheat grain yield in seven field trials.

    No‐Till Spring Wheat and Canola Response to Side Banded Anhydrous Ammonia at Seeding · 1997 · compared with urea

    No difference from an alternative

  7. no effect
    Anhydrous ammonia with either opener yielded grain amounts comparable to granular urea and ammonium nitrate.

    Use of Anhydrous Ammonia in Single‐Pass Seeding Operations of Spring Wheat at Varied Landscape Positions · 1999 · compared with granular urea and ammonium nitrate (AN) fertilizers

    No difference from an alternative

  8. positive
    Pre sowing N increased irrigated wheat yield up to 150 kg/ha.

    Effects of nitrogen application before sowing, compared with effects of split applications before and after sowing, for irrigated wheat on the Darling Downs. · 1986

    Same direction

12 papers more in this group

See all 21 papers →

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. positive
    Irrigation significantly affected grain yield, kernel number and straw yield, which were highest at high irrigation.

    The effects of irrigation and nitrogen application rates on yield of spring wheat (longfu-920), and water use efficiency and nitrate nitrogen accumulation in soil · 2012

    Same directionCited by this paper

  2. positive
    Four irrigations with 75 kg N per feddan gave Misr-1 the highest yield and yield components.

    Response of some wheat varieties to irrigation and nitrogen fertilization using ammonia gas in North Nile Delta region · 2015

    Same directionCited by this paper

  3. positive
    Mineral N with irrigation at 1.2 C.P.E. gave the highest grain yield, 2149.28 and 2271.50 kg/fed in the two seasons

    WATER RELATIONS AND YIELD OF WHEAT UNDER DIFFERENT N- FERTILIZER FORMS AND SCHEDULING IRRIGATION · 2011

    Same directionCited by this paper

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

980 papers more in this group

See all 989 papers →

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

3,438 papers: 3,115 positive, 323 negative or no effect

3,114 papers in the same direction as this claim · 284 in the opposite direction · 39 reporting no difference from an alternative

  1. negative
    Increasing ammonia nitrogen to 90 kg N per feddan reduced measured characters other than grain yield.

    Response of some wheat varieties to irrigation and nitrogen fertilization using ammonia gas in North Nile Delta region · 2015

    Opposite directionCited by this paper

  2. negative
    Organic chicken manure with irrigation at 0.8 C.P.E. gave the lowest yield and yield components

    WATER RELATIONS AND YIELD OF WHEAT UNDER DIFFERENT N- FERTILIZER FORMS AND SCHEDULING IRRIGATION · 2011

    Opposite directionCited by this paper

  3. no effect
    Current high nitrogen practices do not significantly raise crop yields relative to optimum fertilization.

    Reducing environmental risk by improving N management in intensive Chinese agricultural systems · 2009 · compared with knowledge-based optimum N fertilization

    Opposite direction

  4. negative
    Wheat yield declined by 0.04 Mg ha −1 yr −1 with 75 and 100% N-P-K fertilizer.

    Yield and Soil Nutrient Changes in a Long‐Term Rice‐Wheat Rotation in India · 2002

    Opposite direction

  5. negative
    The authors concluded that N fertiliser could not compensate for the yield reduction in canola and wheat due to late sowing.

    Effects of sowing time and nitrogen fertiliser on canola and wheat, and nitrogen fertiliser on Indian mustard. I. Dry matter production, grain yield, and yield components · 2001

    Opposite direction

  6. negative
    Genetic gain in winter wheat yield without fertiliser N was 0.021 t ha −1 y −1, smaller than at 215–250 kg/ha N.

    Responses of grain yield, biomass and harvest index and their rates of genetic progress to nitrogen availability in ten winter wheat varieties · 2006 · compared with 215–250 kg/ha N

    Opposite direction

  7. no effect
    The fertilizing substances did not significantly change plant yields.

    The influence of chlorothalonil on the activity of soil microorganisms and enzymes · 2018

    Opposite direction

  8. no effect
    Compost did not significantly affect wheat grain yield, biomass or harvest index.

    Responses of Wheat Yield, Macro- and Micro-Nutrients, and Heavy Metals in Soil and Wheat following the Application of Manure Compost on the North China Plain · 2016

    Opposite direction

3,429 papers more in this group

See all 3,438 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.