Intervention effectmodel-written summary

The combination of goat manure, biochar and 100% NPK produced the highest lettuce total yield.

A claim from Effects of Goat Manure, Biochar, and NPK Applications on Growth and Nutrient Concentrations of Lettuce · 2023

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combination of goat manure, biochar and 100% NPK produced the highest lettuce total yield.

Taxon
LettuceLactuca sativat0
Treatment
joint combination of GM, BC, and 100% NPK (100 kg N ha-1, 100 kg P2O5 ha-1 and 100 kg K2O ha-1)e0
Outcome
total yield of lettucee0
Direction
higheste0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Lactuca sativa
Lactuca sativa · Taxonen:User:Geographer · CC BY 1.0 · Wikimedia Commons ↗

Verbatim

e0

“the highest total yield of lettuce was obtained with a joint combination of GM, BC, and 100% NPK (100 kg N ha-1, 100 kg P2O5 ha-1 and 100 kg K2O ha-1).”

✓ located verbatim in the source · abstract, characters 1145–1296
t0

“Lettuce”

✓ located verbatim in the source · title, characters 95–102

Title

Effects of Goat Manure, Biochar, and NPK Applications on Growth and Nutrient Concentrations of Lettuce

Moustapha Maman MOUNIROU; Emre Can KAYA; Mehmet Burak TAŞKIN; et al. Tarım Bilimleri Dergisi 2023. doi:10.15832/ankutbd.1018535

Other claims from this paper (7)

Record rev-effec00b6d13b8366d515a1b63c250fa816e20d3e5647e14a87e592769dcced3 · schema claims-v0.9 · position 7 in the model’s answer

phosphorus · yield · Lactuca sativa (garden lettuce)Results differ

20 papers: 18 positive, 2 negative or no effect

17 papers in the same direction as this claim · 2 in the opposite direction

  1. no effect
    P application gave no significant lettuce yield increase at the other trial sites, including three with low P bc.

    Lettuce Response to Phosphorus Fertilization in High Phosphorus soils · 2005 · compared with paired plots in which no P was applied

    Opposite direction

  2. negative
    Plant yield of lettuce was reduced with increasing superphosphate addition, most likely because of increased substrate salinity.

    Effect of repeated phosphate fertilization on the heavy metal accumulation in soil and plants under protected cultivation · 1993

    Opposite direction

  3. positive
    Lettuce yields increased with P rate in all experiments.

    Banding P to Improve Fertilizer Use Efficiency of Lettuce · 1990

    Same direction

  4. positive
    Increased P application raised lettuce yield by approximately 15.15–42.42%.

    Evaluation of the Effects of Nitrogen, Phosphorus, and Potassium Applications on the Growth, Yield, and Quality of Lettuce (Lactuca sativa L.) · 2022 · compared with no fertilization condition

    Same direction

  5. positive
    Increasing nitrogen, phosphorus and potassium rates raised lettuce yield.

    Effects of Tobacco Waste and Farmyard Manure on Soil Properties and Yield of Lettuce (Lactuca sativaL. var. capitata) · 2012

    Same direction

  6. positive
    Phosphorus application significantly increased lettuce yield criteria relative to control.

    Effect of mycorrhiza on growth criteria and phosphorus nutrition of lettuce (Lactuca sativa L.) under different phosphorus application rates · 2016 · compared with control treatment

    Same direction

  7. positive
    Increasing phosphorus rates linearly increased seed production per plant of lettuce.

    Phosphorus rates on yield and quality of lettuce seeds · 2012

    Same direction

  8. positive
    In soil, a P supply of 540 mg/kg P gave maximum lettuce yields.

    Influence of varying phosphorus supply on the growth and phosphorus composition of lettuce · 1994 · compared with higher levels

    Same direction

11 papers more in this group

See all 20 papers →

potassium · yield · Lactuca sativa (garden lettuce)Positive and negative results

16 papers: 14 positive, 2 negative or no effect

13 papers in the same direction as this claim · 2 in the opposite direction

  1. no effect
    P or K application rates did not affect lettuce yield in Salinas.

    Nitrogen, Phosphorus, and Potassium Fertilization Effects on Nutritional Composition of Lettuce · 2004

    Opposite direction

  2. negative
    At middle nitrogen, higher potassium reduced lettuce yield.

    Effect of the Combined Application of N,P and K on Yield and Quality of Lettuce · 2006 · compared with middle level(N_2)

    Opposite direction

  3. positive
    Increased K application raised lettuce yield by approximately 7.14–10.32%.

    Evaluation of the Effects of Nitrogen, Phosphorus, and Potassium Applications on the Growth, Yield, and Quality of Lettuce (Lactuca sativa L.) · 2022 · compared with no fertilization condition

    Same direction

  4. positive
    Increasing K rates under high N status enhanced both lettuce leaf area and dry matter accumulation.

    Nitrogen and Potassium in Nutrient Solution Influence Seedling Growth of Four Vegetable Species · 1988

    Same direction

  5. positive
    Increasing nitrogen, phosphorus and potassium rates raised lettuce yield.

    Effects of Tobacco Waste and Farmyard Manure on Soil Properties and Yield of Lettuce (Lactuca sativaL. var. capitata) · 2012

    Same direction

  6. positive
    Threefold substrate nutrient abundance increased lettuce head yield by 13.7%.

    Effect of soil contamination with anthracene and pyrene on yield and accumulation of macronutrients in butter lettuce (Lactuca sativa L.) · 2012

    Same direction

  7. positive
    Without manure, sulphate of potash significantly increased yield.

    The Effects of Different Manurial Treatments on the Yield and Mineral Composition of Winter Lettuce · 1967 · compared with absence of FYM

    Same direction

  8. positive
    Nitrogen and potassium significantly increased yield in every variety.

    RESPONSE OF DIFFERENT LETTUCE VARIETIES TO NITROGEN AND POTASSIUM FERTILIZERS · 2006

    Same direction

7 papers more in this group

See all 16 papers →

nitrogen · yield · Lactuca sativa (garden lettuce)Positive and negative results

79 papers: 61 positive, 18 negative or no effect

60 papers in the same direction as this claim · 17 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Light-dependent nitrate deprivation generally did not reduce lettuce yield, except under strong nitrate reduction.

    The Effect of Light-dependent Application of Nitrate on the Growth of Aeroponically Grown Lettuce (Lactuca sativa L.) · 2004

    Opposite direction

  2. negative
    The lower nutrient nitrate level reduced lettuce dry mass yield.

    Nitrate concentration in lettuce leaves depending on photosynthetic photon flux and nitrate concentration in the nutrient solution · 2011

    Opposite direction

  3. no effect
    Nitrogen reduction did not affect green or red lettuce yield.

    Effect of Reduced Nitrogen and Supplemented Amino Acids Nutrient Solution on the Nutritional Quality of Baby Green and Red Lettuce Grown in a Floating System · 2020

    Opposite direction

  4. no effect
    Ziluoma yield was unaffected until nitrate dropped below 1.0 mM.

    Short-Term Nitrate Limitation Prior to Harvest Improves Phenolic Compound Accumulation in Hydroponic-Cultivated Lettuce (Lactuca sativa L.) without Reducing Shoot Fresh Weight · 2018

    Opposite direction

  5. no effect
    Reducing N fertilization from 528 to 401 kg N ha-1 had no significant effect on yields

    N2O fluxes from a Haplic Luvisol under intensive production of lettuce and cauliflower as affected by different N‐fertilization strategies · 2010 · compared with good agricultural practice

    Opposite direction

  6. negative
    Urea yielded less than ammonium nitrate and calcium nitrate.

    Effect of temperature, carbon dioxide enrichment, nitrogen form and rate of nitrogen fertiliser on the yield and nitrate content of two varieties of glasshouse lettuce · 1992 · compared with other two N sources

    Opposite direction

  7. negative
    The top application of urea suppressed lettuce yield.

    Growth and nutrient and nitrate accumulation of lettuce under different regimes of nitrogen fertilization · 2019

    Opposite direction

  8. no effect
    Lettuce yields did not differ significantly across nitrogen treatments apart from the control.

    The Use of Green Manure Crops as a Nitrogen Source for Lettuce and Chinese Cabbage Production in Greenhouse · 2012 · compared with control (0 kg/ha)

    Opposite direction

70 papers more in this group

See all 79 papers →

3 of 5 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.