Intervention effectmodel-written summary

Four irrigations gave the highest wheat number of spikes/m2.

A claim from Effect of Irrigations Number on Yield and Yield Components of Some Bread Wheat Cultivars in North Nile Delta of Egypt · 2017

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Taxon: WheatTriticum aestivumt0
Treatment: Four irrigatione0
Outcome: number of spikes/m2e0
Direction: higheste0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

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

Verbatim

e0
“Four irrigation produced the highest values of number of days to heading and maturity, plant height, number of spikes/m2, 1000-grain weight, number of grains/spike, grain yield, straw yield and harvest index (%).”
✓ located verbatim in the source · abstract, characters 1095–1307

t0
“Bread Wheat Cultivars”
✓ located verbatim in the source · title, characters 67–88

Title

Effect of Irrigations Number on Yield and Yield Components of Some Bread Wheat Cultivars in North Nile Delta of Egypt

Dalia Elhag Egyptian Journal of Agronomy 2017. doi:10.21608/agro.2017.680.1059

Other claims from this paper (19)

Intervention effect Four irrigations gave the highest wheat number of days to heading and maturity.
Intervention effect Four irrigations gave the highest wheat plant height.
Intervention effect Four irrigations gave the highest wheat 1000-grain weight.
Intervention effect Four irrigations gave the highest wheat number of grains/spike.
Intervention effect Four irrigations gave the highest wheat grain yield.
Intervention effect Four irrigations gave the highest wheat straw yield.
Intervention effect Four irrigations gave the highest wheat harvest index (%).
Observation Misr 1 had the highest number of days to heading and maturity.
Observation Misr 1 had the highest plant height.
Observation Misr 1 had the highest number of grains/spike.
Observation Misr 1 had the highest grain and straw yield.
Observation Sids 12 had the highest 1000-grain weight.
Observation Sids 12 had the highest harvest index.
Observation Sids 12 had the highest number of fertile tillers/m2 under control irrigation.
Observation Sids 12 had the highest 1000-grain weight under control irrigation.
Intervention effect Reducing irrigation from four to three decreased Sids 12 grain yield by 6%.
Intervention effect Reducing irrigation from four to three decreased Misr 1 grain yield by 10%.
Intervention effect Reducing irrigation from four to three decreased Sakha 93 grain yield by 11%.
Recommendation The authors recommend Sid 12 for wheat production in North Delta under water shortage.

Record rev-9323476e0a2ae534b22daf1159d5d4a46a17ce36d750f20e6baf2e861ee26b0a · schema claims-v0.9 · position 3 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

negative
Without silicates, withholding irrigation at tillering yielded 5.045 versus 6.175 Mgha-1 without withholding.
Chlorophyll content and yield responses for withholding irrigation and Si foliar spray at normal and Nano source under different critical growth stages of wheat · 2023 · compared with without withholding
Opposite directionCites this paper
positive
Irrigation treatments I2, I1 and I6 gave the greatest increase in wheat grain.
Effects of Withholding Irrigation and Using Foliar Nano-Silicate Si As An Anti-Agent on Crop Yield and Nutrient Uptake · 2023
Same directionCites this paper
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
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
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
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
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
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

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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.

Other papers on the same question

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