Intervention effectmodel-written summary

Foliar nitrogen spray at 4000 ppm gave paddy straw yield of 5352 and 6581 kg per hectare.

A claim from Effect of Nano Nitrogen and Nano Zinc on Growth and Yield of Paddy in Paddy-Paddy Cropping System · 2023

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Taxon: Paddyt0
Treatment: foliar spray of nitrogen @ 4000 ppme1
Outcome: straw yielde0
Value: 5352 and 6581 kg ha-1e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionQualifier

Verbatim

e0
“straw yield (5352 and 6581 kg ha-1)”
✓ located verbatim in the source · abstract, characters 1272–1307

e1
“foliar spray of nitrogen @ 4000 ppm”
✓ located verbatim in the source · abstract, characters 932–967

t0
“Yield of Paddy in Paddy-Paddy Cropping System”
✓ located verbatim in the source · title, characters 52–97

Title

Effect of Nano Nitrogen and Nano Zinc on Growth and Yield of Paddy in Paddy-Paddy Cropping System

Sahana; M. V. Ravi; K. Narayana Rao; et al. International Journal of Environment and Climate Change 2023. doi:10.9734/ijecc/2023/v13i61820

Other claims from this paper (12)

Intervention effect Applying 125% RDN significantly increased paddy plant height, with reported values 97.11 and 96.54 cm.
Intervention effect Applying 125% RDN significantly increased paddy tiller number, with values 19.65 and 18.14 per hill.
Intervention effect Applying 125% RDN increased paddy total dry matter, with values 70.06 and 64.54 g per hill.
Intervention effect Applying 125% RDN gave paddy SPAD values of 46.69 and 42.60.
Intervention effect Applying 125% RDN gave paddy NDVI values of 0.85 and 0.82.
Intervention effect Foliar nitrogen spray at 4000 ppm significantly increased paddy plant height, with values 95.44 and 91.33 cm.
Intervention effect Foliar nitrogen spray at 4000 ppm increased paddy tillers per hill to 17.75 and 16.01.
Intervention effect Foliar nitrogen spray at 4000 ppm gave paddy total dry matter of 66.84 and 62.31 g per hill.
Intervention effect Foliar nitrogen spray at 4000 ppm gave paddy SPAD values of 44.89 and 41.29 at flowering.
Intervention effect Foliar nitrogen spray at 4000 ppm gave paddy NDVI values of 0.81 and 0.74 at flowering.
Intervention effect Foliar nitrogen spray at 4000 ppm gave paddy grain yield of 5623 and 6840 kg per hectare.
Intervention effect The interactions among paddy fertilizer treatment combinations were statistically nonsignificant.

Record rev-311908a2df3be7560a50cdd9ef46587ec2d5051bc37f0c03d564599064525a15 · schema claims-v0.9 · position 12 in the model’s answer

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

691 papers: 645 positive, 46 negative or no effect

644 papers in the same direction as this claim · 37 in the opposite direction · 9 reporting no difference from an alternative

positive
The combined nano nitrogen and zinc treatment significantly increased rice grain yield.
Grain Yield and Nutrient Uptake of Rice as Influenced by the Nano Forms of Nitrogen and Zinc · 2021 · compared with (T9) application of 50% conventional nitrogen fertilizer + foliar spray of 4 ml L-1 nano nitrogen at tillering and before panicle initiation stage
Same directionCited by this paper
positive
The integrated treatment gave rice 457 panicles per m2, the highest among treatments.
Integrated rice farming systems for improved growth, yield and pest reduction · 2024
Same directionCites this paper
negative
Traditional soaking reduced kernel yield of direct seeded rice compared with control.
Enhancing the Performance of Direct Seeded Fine Rice by Seed Priming · 2006 · compared with control
Opposite direction
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
no effect
Foliar silicon had no significant effect on plant height, harvest index or number of kernels of rice.
Effect of Foliar Application of Silicon on Yield and Quality of Rice (Oryza Sativa L) · 2013
Opposite direction
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
negative
Foliar spray decreased grain yield.
Suppression of methane fluxes from flooded paddy soil with rice plants by foliar spray of nitrogen fertilizers · 1992
Opposite direction
negative
Foliar spray of urea gave the lowest yield components and yield in this study.
Response of Transplanted Rice to Different Application Methods of Urea Fertilizer · 2009
Opposite direction

682 papers more in this group

See all 691 papers →

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

2,045 papers: 1,803 positive, 242 negative or no effect

1,802 papers in the same direction as this claim · 193 in the opposite direction · 49 reporting no difference from an alternative

positive
The combined nano nitrogen and zinc treatment significantly increased rice grain yield.
Grain Yield and Nutrient Uptake of Rice as Influenced by the Nano Forms of Nitrogen and Zinc · 2021 · compared with (T9) application of 50% conventional nitrogen fertilizer + foliar spray of 4 ml L-1 nano nitrogen at tillering and before panicle initiation stage
Same directionCited by this paper
positive
The integrated treatment gave rice 457 panicles per m2, the highest among treatments.
Integrated rice farming systems for improved growth, yield and pest reduction · 2024
Same directionCites this paper
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
negative
Chaffy grain number and chaffy grain weight per 5 panicles increased significantly with enhancing nitrogen doses.
Physiological response of rice (Oryza sativaL.) genotypes to elevated nitrogen applied under field conditions · 2014
Opposite direction
negative
Excessive nitrogen yielded 2.68–6.31% less than appropriate nitrogen application.
Excessive Nitrogen Application Leads to Lower Rice Yield and Grain Quality by Inhibiting the Grain Filling of Inferior Grains · 2022 · compared with appropriate nitrogen application (270 kg N ha−1)
Opposite direction
negative
SCU reduced rice yield, though not significantly.
Effects of different types of slow- and controlled-release fertilizers on rice yield · 2021
Opposite direction
negative
Preflood urea applied 14 days early yielded lowest grain yield of rice.
Ammonia Volatilization and Nitrogen Uptake for Conventional and Conservation Tilled Dry‐Seeded, Delayed‐Flood Rice · 2007
Opposite direction
no effect
Applying 30 kg N ha−1 at each SPAD drop below 37.5 gave rice yields equivalent to 120 kg N ha−1 applied in three splits
Chlorophyll Meter– and Leaf Color Chart–Based Nitrogen Management for Rice and Wheat in Northwestern India · 2002 · compared with 120 kg N ha−1 applied in three splits
Opposite direction

2,036 papers more in this group

See all 2,045 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.

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

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