Intervention effectmodel-written summary

Excessive N had no obvious effect on sugarcane yield.

A claim from Effect of different NPK level on ratoon sugarcane dry matter accumulation and yields in sloping soil of Northern Guangdong · 2010

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Excessive N had no obvious effect on sugarcane yield.

Taxon
sugarcanee0
Treatment
Excessive N levele0
Outcome
sugarcane yieldse0
Direction
no obviously effecte0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Verbatim

e0

“Excessive N level had no obviously effect on sugarcane yields”

✓ located verbatim in the source · abstract, characters 817–878

Title

Effect of different NPK level on ratoon sugarcane dry matter accumulation and yields in sloping soil of Northern Guangdong

GU Yu-dong 2010

Other claims from this paper (6)

Record rev-1d1063e59cc451ff00564bdbed5a9ec481a9cfb5eb4da13c1636553e8e9da427 · 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

18 papers in the same direction as this claim · 118 in the opposite direction

  1. positive
    Ratoon nitrogen fertilizer nearly doubled residue nitrogen recovery by sugarcane, from 17 to 31 %.

    Contribution of nitrogen from sugarcane harvest residues and urea for crop nutrition · 2013 · compared with 17

    Opposite direction

  2. positive
    Nitrogen increased sugarcane yield in only three fields.

    The Effectiveness of Three Vegetation Indices Obtained from a Canopy Sensor in Identifying Sugarcane Response to Nitrogen · 2014

    Opposite direction

  3. positive
    Sugar yield increased linearly with nitrogen dose.

    Technological quality and yield of sugarcane grown under nitrogen doses via subsurface drip fertigation · 2016

    Opposite direction

  4. positive
    Combined farmyard manure and urea minimized cane yield reduction.

    Conserving the Organic Matter Content of the Soil to Sustain Sugarcane Yield · 1992

    Opposite direction

  5. positive
    supplemented urea-N increased cane yield by 26 to 57%.

    Effects of Crotalaria and Sesbania aculeata green manures and N fertilizer on soil fertility and the productivity of sugarcane · 2003

    Opposite direction

  6. positive
    Planting nitrogen increased plant cane yield at two of three sites.

    Residual recovery and yield performance of nitrogen fertilizer applied at sugarcane planting · 2015

    Opposite direction

  7. positive
    Higher nitrogen rates significantly increased sugarcane yield in two of three site years.

    Effect of Nitrogen Rates and Application Time on Sugarcane Yield and Quality · 2013

    Opposite direction

  8. positive
    Sugarcane yields increased linearly with nitrogen rate over four cycles.

    Long-term N fertilization reduces uptake of N from fertilizer and increases the uptake of N from soil · 2020

    Opposite direction

128 papers more in this group

See all 137 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.