Intervention effectmodel-written summary

Controlled release urea increased sugarcane yield by 5.0-11.4% relative to common urea.

A claim from N-releasing characteristics of different kinds of controlled-release urea and their effects on the sugarcane · 2010

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Controlled release urea increased sugarcane yield by 5.0-11.4% relative to common urea.

Taxon
sugarcanee0
Treatment
controlled-release ureae0
Outcome
sugarcane yielde0
Direction
increasede0
Value
5.0-11.4%e0
Comparator
common ureae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Verbatim

e0

“Compared with the common urea,the controlled-release urea has increased the sugarcane yield and nitrogen utilization efficiency by 5.0-11.4% and 7.5-8.2%,respectively.”

✓ located verbatim in the source · abstract, characters 928–1095

Title

N-releasing characteristics of different kinds of controlled-release urea and their effects on the sugarcane

Lei Wang; Zhou LiuQiang; Xie RuLin; et al. Guangxi nongye kexue 2010

Other claims from this paper (8)

Record rev-e940ace1de7afdcd6c66798eaa65368befa31bc7e7a7ff0c1f2ab163d04accd3 · schema claims-v0.9 · position 7 in the model’s answer

nitrogen · yield · Saccharum officinarum (sugarcane)Results differ

137 papers: 118 positive, 19 negative or no effect

117 papers in the same direction as this claim · 15 in the opposite direction · 4 reporting no difference from an alternative

  1. no effect
    Drip-applied nitrogen yielded not significantly different sugarcane yields from sidedress application.

    Sugarcane Responses to Irrigation and Nitrogen in Semiarid South Texas · 2008 · compared with sidedress application

    Opposite direction

  2. negative
    Excess nitrogen lowered sugarcane yield.

    Different Amounts of Nitrogen Fertilizer Applications Alter the Bacterial Diversity and Community Structure in the Rhizosphere Soil of Sugarcane · 2021

    Opposite direction

  3. negative
    Reducing nitrogen from 120 to 80 kg N ha−1 had limited potential to lower yield by about 1%.

    Effect of previous soil management on sugarcane response to nitrogen fertilization · 2018

    Opposite direction

  4. negative
    Nitrogen above the yield optimum lowered sugar yields.

    Growth and yield responses to amending the sugarcane monoculture: interactions between break history and nitrogen fertiliser · 2014

    Opposite direction

  5. negative
    Urea applied on the surface gave significantly lower cane and sucrose yields than ammonium sulphate and sulphur-coated urea on a calcareous soil.

    Comparison of sulphur-coated urea and ammonium sulphate amended with N-Serve as sources of nitrogen for sugarcane · 1975 · compared with AS and SCU

    Opposite direction

  6. no effect
    Urea formulation did not affect sugarcane yield at the same nitrogen application rate.

    Effects of urea formulation on sugarcane yield, nitrogen uptake and nitrous oxide emission in tropical Queensland. · 2014

    Opposite direction

  7. no effect
    Nitrogen doses did not affect sugarcane stalk yield.

    Stalk yield and nitrogen (15N) recovery of irrigated sugarcane during the plant-cane cycle using urea · 2017

    Opposite direction

  8. no effect
    Low nitrogen doses in three or four applications did not reduce sugarcane production.

    NITROGEN MANAGEMENT IN SUGARCANE AND ITS INFLUENCE ON YIELD, PROFITABILITY AND LEACHING LOSSES · 2011

    Opposite direction

128 papers more in this group

See all 137 papers →

fertilization · yield · Saccharum officinarum (sugarcane)Positive and negative results

346 papers: 312 positive, 34 negative or no effect

311 papers in the same direction as this claim · 28 in the opposite direction · 6 reporting no difference from an alternative

  1. no effect
    Fertilization did not increase yields when mill mud was added to plant cane.

    Sugarcane Response to Mill Mud, Fertilizer, and Soybean Nutrient Sources on a Sandy Soil · 2008

    Opposite direction

  2. negative
    Excess nitrogen lowered sugarcane yield.

    Different Amounts of Nitrogen Fertilizer Applications Alter the Bacterial Diversity and Community Structure in the Rhizosphere Soil of Sugarcane · 2021

    Opposite direction

  3. no effect
    Subsoil and within-row compost did not affect cane or sugar yield versus control.

    Gypsum and Compost Effects on Sugarcane Root Growth, Yield, and Plant Nutrients · 2002 · compared with the control

    Opposite direction

  4. no effect
    Magnesium fertilization did not affect yield at the reported soil magnesium level.

    Water and Nitrogen Management of Sugarcane Grown on Sandy, High‐Water‐Table Soil · 1998

    Opposite direction

  5. no effect
    Nitrogen fertilization did not increase sugarcane agricultural productivity.

    Productivity and technological quality of sugarcane under fertilization of nitrogen and molybdenum · 2018

    Opposite direction

  6. no effect
    Planting fertilizer percentages did not increase productivity at Morrinhos-GO.

    Yield and biometry of fertilized sugar cane with organomineral fertilizer of sewage sludge and biostimulant · 2020

    Opposite direction

  7. negative
    Zero nitrogen in the first fertilization would substantially reduce sugarcane yield in all seasons.

    Nitrogen Leaching and Nitrogen Balance under Differing Nitrogen Fertilization for Sugarcane Cultivation on a Subtropical Island · 2021

    Opposite direction

  8. no effect
    Sugarcane yield did not respond to potassium fertiliser above the basal rate.

    Potassium management for sugarcane on base saturated soils in northern New South Wales · 2009 · compared with basal rate

    Opposite direction

337 papers more in this group

See all 346 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.