Intervention effectmodel-written summary

125kg N/ha gave higher net return (`29496/ha).

A claim from Effect of nitrogen levels and weed management practices on growth, yield and uptake of rice under aerobic conditions · 2018

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Taxon: riceOryza sativae0
Treatment: 125kg N/hae0
Outcome: net returne0
Direction: highere0
Value: `29496/hae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

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

Verbatim

e0
“Application of 125kg N/ha gave significantly higher plant height (88.89 cm), tillers/m2 (288), panicles/m2 (266), grains/panicle (95.41), 1000 grain weight (23.72 g), grain yield (38.98 q/ha), straw yield (57.78 q/ha), nitrogen, phosphorus and potassium uptake which ultimately resulted in significantly higher net return (`29496/ha) in aerobic rice”
✓ located verbatim in the source · abstract, characters 379–728

Title

Effect of nitrogen levels and weed management practices on growth, yield and uptake of rice under aerobic conditions

Gaurav Jain; CS Singh; Ashok Kumar Singh; et al. Journal of Pharmacognosy and Phytochemistry 2018

Other claims from this paper (19)

Intervention effect 125kg N/ha gave higher plant height (88.89 cm).
Intervention effect 125kg N/ha gave higher tillers/m2 (288).
Intervention effect 125kg N/ha gave higher panicles/m2 (266).
Intervention effect 125kg N/ha gave higher grains/panicle (95.41).
Intervention effect 125kg N/ha gave higher 1000 grain weight (23.72 g).
Intervention effect 125kg N/ha gave higher grain yield (38.98 q/ha).
Intervention effect 125kg N/ha gave higher straw yield (57.78 q/ha).
Intervention effect 125kg N/ha increased nitrogen uptake.
Intervention effect 125kg N/ha increased phosphorus uptake.
Intervention effect 125kg N/ha increased potassium uptake.
Intervention effect 125kg N/ha was statistically at par with 100 kg N/ha.
Intervention effect The Dhaincha and herbicide treatment maximized plant height (92.3 cm).
Intervention effect The Dhaincha and herbicide treatment maximized tillers/m2 (300).
Intervention effect The Dhaincha and herbicide treatment maximized panicles/m2 (295).
Intervention effect The Dhaincha and herbicide treatment maximized filled spiklets/panicle (98.13).
Intervention effect The Dhaincha and herbicide treatment maximized 1000 grain weight (23.96 g).
Intervention effect The Dhaincha and herbicide treatment maximized grain (43.73 q/ha).
Intervention effect The Dhaincha and herbicide treatment maximized straw yield (61.68 q/ha).
Intervention effect The Dhaincha and herbicide treatment maximized B:C Ratio (2.22).

Record rev-769bd686da2fdfc5dc82dca504515827c21ba18f2b9f8e0a92eee300cfd9d8fc · schema claims-v0.9 · position 8 in the model’s answer

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
Increasing nitrogen levels significantly increased rice yield and yield components.
Effect of Different Nitrogen and Potassium Levels on Yield and Nutrient Uptake of RNR 15048 during Summer Season in Southern Odisha · 2023 · compared with 0
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
no effect
Ammonium sulphate nitrate gave growth, yield and grain nitrogen results statistically at par with Super Net.
EFFECT OF NITROGEN FERTILIZERS ON GROWTH, YIELD AND QUALITY OF HYBRID RICE (ORYZA SATIVA) · 2005 · compared with sulphur-containing nitrogen fertilizer-Super Net
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.

Other papers on the same question

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