Intervention effectmodel-written summary

Zn fertilization increased Zn concentration in leaves, culms and panicles under CF and AR at maturity.

A claim from Irrigation and Zn fertilizer management improves Zn phyto‐availability in various rice production systems · 2018

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zn fertilization increased Zn concentration in leaves, culms and panicles under CF and AR at maturity.

Organ / stage
leaves, culms, paniclese3
Treatment
Zn fertilizatione3
Outcome
concentration in leaves, culms, paniclese3
Direction
increasede3
Setting
CF and ARe3

Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Zinc (Zn) is an important micronutrient for rice ( Oryza sativa L.) production”

✓ located verbatim in the source · abstract, characters 9–87
e3

“Mid season drainage provided at maximum tillering and Zn fertilization increased its concentration in leaves, culms, panicles, and grains under CF and AR at physiological maturity”

✓ located verbatim in the source · abstract, characters 853–1032

Title

Irrigation and Zn fertilizer management improves Zn phyto‐availability in various rice production systems

Hafeez ur Rehman; Faiz Rasool; Masood Iqbal Awan; et al. Journal of Plant Nutrition and Soil Science 2018. doi:10.1002/jpln.201700412

Other claims from this paper (13)

Record rev-83a3798bd15dfd6ea2b7c983e9801da034fc1208d66a7c1e834b7768eca0f294 · schema claims-v0.9 · position 6 in the model’s answer

zinc atom · yield · Oryza sativa (rice)Results differ

419 papers: 389 positive, 30 negative or no effect

388 papers in the same direction as this claim · 28 in the opposite direction · 2 reporting no difference from an alternative

  1. positive
    Zn-treated seed performed equal to or better than soil-applied Zn in dry matter, tissue Zn concentration and grain yield.

    Evaluation of Zinc Seed Treatments for Rice · 2001 · compared with soil‐applied Zn

    Same directionCited by this paper

  2. positive
    Direct application of 5 and 10 kg Zn ha -1 significantly increased rice grain yield.

    Residual, direct and cumulative effect of zinc application on wheat and rice yield under rice-wheat system · 2009

    Same directionCited by this paper

  3. positive
    Zinc nutrition improved rice yield and related traits in both systems.

    Zinc nutrition to enhance rice productivity, zinc use efficiency, and grain biofortification under different production systems · 2020

    Same directionCites this paper

  4. positive
    Foliar N and Zn increased grain yield under both soil Zn conditions.

    Efficacy of Nitrogen and Zinc Application at Different Growth Stages on Yield, Grain Zinc, and Nitrogen Concentration in Rice · 2022

    Same directionCites this paper

  5. positive
    Zinc application significantly improved rice productivity and zinc biofortification.

    Foliar applied zinc on different growth stages to improves the growth, yield, quality and kernel bio-fortification of fine rice · 2023

    Same directionCites this paper

  6. no effect
    Foliar-applied Zn, I, Fe or Se did not affect rice grain yield.

    Simultaneous Biofortification of Rice With Zinc, Iodine, Iron and Selenium Through Foliar Treatment of a Micronutrient Cocktail in Five Countries · 2020 · compared with local control (LC)

    Opposite direction

  7. negative
    Foliar Zn application at a late stage was not as effective as soil application in increasing yield attributes and yield of rice.

    Relative Efficiency of Zinc-Coated Urea and Soil and Foliar Application of Zinc Sulphate on Yield, Nitrogen, Phosphorus, Potassium, Zinc and Iron Biofortification in Grains and Uptake by Basmati Rice (Oryza sativa L.) · 2015 · compared with soil application

    Opposite direction

  8. no effect
    Following green manure, reduced P, K, S and Zn doses did not reduce T. Aman yield.

    Long‐Term Integrated Nutrient Management for Rice‐Based Cropping Pattern: Effect on Growth, Yield, Nutrient Uptake, Nutrient Balance Sheet, and Soil Fertility · 2007

    Opposite direction

410 papers more in this group

See all 419 papers →

fertilization · yield · Oryza sativa (rice)Positive and negative results

3,455 papers: 3,183 positive, 272 negative or no effect

3,182 papers in the same direction as this claim · 207 in the opposite direction · 65 reporting no difference from an alternative

  1. positive
    Zinc fertilization increased aboveground dry matter from 0.24 to 0.91 g.

    Effect of Zinc Deficiency on Alcohol Dehydrogenase Activity and Nutrient Uptake in Rice · 1988 · compared with Zn‐deficient control plants

    Same directionCited by this paper

  2. 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

  3. no effect
    CRFs had no effect on crop yield.

    Effect of Enhanced Efficiency Fertilizers on Nitrous Oxide Emissions and Crop Yields: A Meta‐analysis · 2016

    Opposite direction

  4. negative
    The authors found fertilizer and irrigation investment had limited effects on rice production.

    Moving toward rice self-sufficiency in sub-Saharan Africa by 2030: Lessons learned from 10 years of the Coalition for African Rice Development · 2021

    Opposite direction

  5. negative
    Green manure and rice straw nitrogen, alone or in combination with inorganic N, gave lower grain yield, agronomic efficiency and apparent nitrogen uptake than a standard split application of prilled urea.

    Long-term Comparison of the Agronomic Efficiency and Residual Benefits of Organic and Inorganic Nitrogen Sources for Tropical Lowland Rice · 1996 · compared with a standard split application of prilled urea

    Opposite direction

  6. negative
    Without P fertilization, rice produced no panicles or grain.

    Nitrogen, Phosphorus and Potassium Interactions in Upland Rice · 2014

    Opposite direction

  7. negative
    Broadcast and split prilled urea left 11 to 35% of applied nitrogen unrecovered at harvest.

    Nitrogen‐15 Balance and Residual Effects of Urea‐N in Wetland Rice Fields as Affected by Deep Placement Techniques · 1984

    Opposite direction

  8. no effect
    Cow dung manure rates did not significantly affect grain yield or greenhouse gas emissions.

    Influence of rice varieties, organic manure and water management on greenhouse gas emissions from paddy rice soils · 2021

    Opposite direction

3,446 papers more in this group

See all 3,455 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.