Intervention effectmodel-written summary

Recommended NPK provided an additional mean rice grain yield of 1.50 t/ha over the farmers’ practice.

A claim from Himalayas farmer participatory evaluation of balanced application of nutrients in rice (Oryza sativa)–wheat (Triticum aestivum) system in Kumaon hills · 2024

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Recommended NPK provided an additional mean rice grain yield of 1.50 t/ha over the farmers’ practice.

Taxon
rice (Oryza sativa L.)Oryza sativae1
Treatment
recommended doses of N, P and Ke5
Outcome
mean grain yielde5
Direction
additionale5
Value
1.50 t/hae5
Comparator
farmers’ practicee5

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

e1

“to study the response of rice (Oryza sativa L.)–wheat (Triticum aestivum L.) system to balanced nutrient application”

✓ located verbatim in the source · abstract, characters 100–216
e5

“In rice crop, appli cation of recommended doses of N, P and K provided additional mean grain yield of 1.50 t/ha over the farmers’ practice, whereas it was 1.04 t/ha in wheat”

✓ located verbatim in the source · abstract, characters 769–942

Title

Himalayas farmer participatory evaluation of balanced application of nutrients in rice (Oryza sativa)–wheat (Triticum aestivum) system in Kumaon hills

DINESH KUMAR SINGH; GAURAV DEEP SINGH; ROHITASHAV SINGH; et al. Indian Journal of Agronomy 2024. doi:10.59797/ija.v62i4.5542

Other claims from this paper (13)

Record rev-bc16db3cbf8eab7940d058aaf34607413d7d29641d1169acb8acc2e936974da2 · schema claims-v0.9 · position 5 in the model’s answer

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

383 papers: 344 positive, 39 negative or no effect

343 papers in the same direction as this claim · 34 in the opposite direction · 5 reporting no difference from an alternative

  1. positive
    Balanced NPK with zinc sulfate in rice and calcium sulfate in groundnut produced the highest system rice equivalent yield, 12.63 t/ha.

    On-farm Evaluation of Balanced Fertilization in Rice-groundnut Cropping System for Productivity, Nutrient Use Efficiency and Profitability · 2022 · compared with recommended NPK alone to both the crops without ZnSO4/CaSO4

    Same directionCites this paper

  2. 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

  3. negative
    Low K (3 mg/kg) decreased allelochemical production in rice.

    Nutritional Stresses and Varietal Resistance in Rice: Effects on Whitebacked Planthopper · 1991

    Opposite direction

  4. no effect
    K application did not increase mean rice yield.

    Upland rice response to nutrient application in Uganda · 2014

    Opposite direction

  5. negative
    Without K application, upland rice dry weight and yield were lower than with K application.

    Fate of basal N and growth of crops cultivated under cassava-based intercropping system with reference to K application rate · 2002 · compared with without K application

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  6. negative
    Higher pyrites with adequate NPK but without Zn did not give yields equal to those from adding 11 kg Zn/ha.

    Effect of sedimentary pyrites and Zn application on yield, Zn and Ca nutrition of rice and wheat crops and on amelioration of saline sodic soil · 1982 · compared with adding 11 kg Zn/ha

    Opposite direction

  7. no effect
    Combined fertilizer application had no significant effect on four processing traits in Neda.

    Effects of Nitrogen and Potassium Fertilizers on Rice (Oryza sativa L.) Genotypes Processing Characteristics · 2007

    Opposite direction

  8. no effect
    Phosphorus and potassium did not affect rice yields in most years.

    Long Term Effects of Organic and Inorganic Fertilizers on Rice under Rice-Wheat Cropping Sequence · 1970

    Opposite direction

374 papers more in this group

See all 383 papers →

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

475 papers: 419 positive, 56 negative or no effect

418 papers in the same direction as this claim · 46 in the opposite direction · 10 reporting no difference from an alternative

  1. positive
    Balanced NPK with zinc sulfate in rice and calcium sulfate in groundnut produced the highest system rice equivalent yield, 12.63 t/ha.

    On-farm Evaluation of Balanced Fertilization in Rice-groundnut Cropping System for Productivity, Nutrient Use Efficiency and Profitability · 2022 · compared with recommended NPK alone to both the crops without ZnSO4/CaSO4

    Same directionCites this paper

  2. negative
    The improved line exceeded Nipponbare in grain yield by 250% under P deficiency.

    Genotypic variation for tolerance to phosphorus deficiency in rice and the potential for its exploitation in rice improvement · 2001 · compared with ‘Nipponbare’

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  3. no effect
    Combined nitrogen, phosphorus, and sulfur deficiencies had no additive synergistic effect on strigolactone production.

    Upregulation of DWARF27 is associated with increased strigolactone levels under sulfur deficiency in rice · 2018

    Opposite direction

  4. 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

  5. negative
    Low phosphorus affected grain yield and productive tillers more than water limitation.

    Genotype × Environment interactions of Nagina22 rice mutants for yield traits under low phosphorus, water limited and normal irrigated conditions · 2018 · compared with water limited condition

    Opposite direction

  6. negative
    Imbalanced N, P and K fertilization reduced rice yield.

    Effects of long-term rice straw returning on the fertility and productivity of purplish paddy soil · 2005

    Opposite direction

  7. negative
    Phased application of 50% P reduced the yield of only sesame and wheat crops compared with 100% recommended P dose applied to rabi crop only.

    Effect of integrated nutrient management on nutrient uptake and yield of component crops in rice (Oryza sativa)-based cropping systems · 2001 · compared with 100% recommended dose of P

    Opposite direction

  8. no effect
    Average rice yield did not respond to P.

    Phosphate Rock Fertilization in Tilled and No‐Till Low‐Input Systems in the Humid Tropics · 1988

    Opposite direction

466 papers more in this group

See all 475 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

  1. positive
    Balanced NPK with zinc sulfate in rice and calcium sulfate in groundnut produced the highest system rice equivalent yield, 12.63 t/ha.

    On-farm Evaluation of Balanced Fertilization in Rice-groundnut Cropping System for Productivity, Nutrient Use Efficiency and Profitability · 2022 · compared with recommended NPK alone to both the crops without ZnSO4/CaSO4

    Same directionCites this paper

  2. 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

  3. 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

  4. 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

  5. negative
    SCU reduced rice yield, though not significantly.

    Effects of different types of slow- and controlled-release fertilizers on rice yield · 2021

    Opposite direction

  6. 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

  7. 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

  8. 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.