Intervention effectmodel-written summary

At 80 kg.N/ha, sulphur-coated urea gave grain yields at par with prilled urea at 120 kg N/ha.

A claim from Efficiency of coated-urea materials in rice (Oryza sativa) - wheat (Triticum aestivum) system under partially reclaimed sodic soil · 1999

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Taxon: rice (Oryza sativa) - wheat (Triticum aestivum)Oryza sativat0
Treatment: sulphur-coated ureae0
Outcome: Grain yielde0
Direction: at pare0
Value: 80 kg.N/hae0
Comparator: prilled urea at 120 kg N/hae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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
“Grain yield of both the crops at 80 kg.N/ha as neem cake-coated urea and sulphur-coated urea were at par with those obtained with prilled urea at 120 kg N/ha.”
✓ located verbatim in the source · abstract, characters 650–808

t0
“rice (Oryza sativa) - wheat (Triticum aestivum)”
✓ located verbatim in the source · title, characters 39–86

Title

Efficiency of coated-urea materials in rice (Oryza sativa) - wheat (Triticum aestivum) system under partially reclaimed sodic soil

R P S Chauhan The Indian Journal of Agricultural Sciences 1999

Other claims from this paper (10)

Intervention effect neem cake-coated urea was significantly superior to prilled urea for yield, yield attributes, N uptake and recovery.
Intervention effect sulphur-coated urea was significantly superior to prilled urea for yield, yield attributes, N uptake and recovery.
Observation Neem cake-coated urea gave maximum values of these parameters.
Intervention effect At 80 kg.N/ha, neem cake-coated urea gave grain yields at par with prilled urea at 120 kg N/ha.
Intervention effect Applied N recovery under neem cake-coated urea was 32.1 in rice versus 20.5 with prilled urea.
Intervention effect Applied N recovery under neem cake-coated urea was 37.5% in wheat versus 27.1 % with prilled urea.
Intervention effect Neem cake-coated urea maintained higher NH 4'-N in soil under rice than prilled urea.
Intervention effect Neem cake-coated urea maintained higher NH 4'-N and N0 3'-N under wheat than prilled urea.
Intervention effect sulphur-coated urea maintained higher NH 4'-N in soil under rice than prilled urea.
Intervention effect sulphur-coated urea maintained higher NH 4'-N and N0 3'-N under wheat than prilled urea.

Record rev-6a2d68c6f2637d8a396f605c0f50729ce8ebb462550fc26549e3ae568ff57232 · schema claims-v0.9 · position 5 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

241 papers in the same direction as this claim · 1,803 reporting no difference from an alternative

positive
SPAD-triggered 90 kg N ha −1 produced rice yields equivalent to the 120 kg N ha −1 split application.
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
No difference from an alternative
positive
Increasing nitrogen rate raised yield and yield components quadratically.
YIELD AND YIELD COMPONENTS OF UPLAND RICE AS INFLUENCED BY NITROGEN SOURCES · 2011
No difference from an alternative
positive
CRU at 200 kg N ha −1 produced 3 to 5.9% more grain than urea at 300 kg N ha −1.
Controlled Release Urea Improved Nitrogen Use Efficiency, Activities of Leaf Enzymes, and Rice Yield · 2012 · compared with urea at 300 kg N ha −1
No difference from an alternative
positive
LCC-based N management gave 19 to 31% higher net returns than fixed-time N application in rice-wheat cropping.
Calibrating the Leaf Color Chart for Nitrogen Management in Different Genotypes of Rice and Wheat in a Systems Perspective · 2004 · compared with fixed‐time N application
No difference from an alternative
positive
Nitrogen fertilizer application at flowering often increased rough rice yield of IR cultivars.
Effects of Late Nitrogen Fertilizer Application on Head Rice Yield, Protein Content, and Grain Quality of Rice · 1996
No difference from an alternative
positive
N fertilizer application increased grain numbers per panicle by 31.4% in rice.
Nitrogen, phosphorus, and potassium fertilization affects the flowering time of rice (Oryza sativa L.) · 2019
No difference from an alternative
positive
UDP increased rice yield by 21% versus PU.
Mitigating greenhouse gas emissions from irrigated rice cultivation through improved fertilizer and water management · 2022 · compared with PU
No difference from an alternative
positive
Nitrogen application alleviated shade-related grain yield loss.
Effects of Nitrogen and Shading on Root Morphologies, Nutrient Accumulation, and Photosynthetic Parameters in Different Rice Genotypes · 2016
No difference from an alternative

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