Intervention effectmodel-written summary

Nitrogen at 75% of the recommended rate gave the same decreasing trend in uptake of N, Mn and Zn

A claim from PRODUCTIVITY AND QUALITY OF SUGAR BEET AS INFLUENCED BY NITROGEN FERTILIZER AND SOME MICRONUTRIENTS · 2011

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen at 75% of the recommended rate gave the same decreasing trend in uptake of N, Mn and Zn

Treatment
Decreasing N dressing up to 60 Kg N/fed (75% of RR)e1
Outcome
uptake of N, Mn and Zne3
Direction
same trende3
Comparator
recommended ratee0
Setting
Sakha Research Station, Kafr EL-Shaikh Governoratee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleValueQualifier

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

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“SUGAR BEET”

✓ located verbatim in the source · title, characters 28–38
e0

“Two field experiments were conducted during 2008/2009 and 2009/2010 seasons at Sakha Research Station, Kafr EL-Shaikh Governorate to study the influence of three nitrogen rates (75, 100 and 125%) of recommended rate (RR=80Kg N/fed)”

✓ located verbatim in the source · abstract, characters 0–231
e1

“Decreasing N dressing up to 60 Kg N/fed (75% of RR) significantly decreased photosynthetic pigments (chlorophyll a, b and carotenoids) at the age of 120 days from sowing in the two seasons”

✓ located verbatim in the source · abstract, characters 364–552
e3

“Yields of roots and sugar, uptake of N, Mn and Zn had the same trend”

✓ located verbatim in the source · abstract, characters 813–881

Title

PRODUCTIVITY AND QUALITY OF SUGAR BEET AS INFLUENCED BY NITROGEN FERTILIZER AND SOME MICRONUTRIENTS

ZEINAB R. MOUSTAFA; AMAL M. K. SOUDI; KHALIL E. MOHAMED Egyptian Journal of Agricultural Research 2011. doi:10.21608/ejar.2011.177566

Other claims from this paper (17)

Record rev-c45ebd5f9cdb408d17d7e3de9fcc51cf8693e0d5cf0be5645dbd001803cde38d · schema claims-v0.9 · position 5 in the model’s answer

nitrogen · nutrient: content · Beta vulgaris (beet)Positive and negative results

31 papers: 23 positive, 8 negative or no effect

7 papers in the same direction as this claim · 23 in the opposite direction

  1. positive
    Raising nitrogen increased leaf zinc uptake.

    YIELD AND QUALITY OF SUGAR BEET AS AFFECTED BY ZINC FOLIAR APPLICATION UNDER DIFFERENT NITROGEN FERTILIZATION LEVELS · 2013

    Opposite directionCites this paper

  2. positive
    High nitrogen greatly raised sugar beet leaf nitrogen percentage.

    A comparison of competitive effects of some common weed species · 1963

    Opposite direction

  3. positive
    At 200 kg N ha −1, nitrogen uptake rose 129% versus control.

    Growth, nitrogen partitioning and nutritive value of fodder beet crops grown under different application rates of nitrogen fertiliser · 2014 · compared with control plots

    Opposite direction

  4. positive
    The highest nitrogen dressing with the longest growing period produced the greatest total plant nitrogen.

    The effect of time of sowing and harvesting on growth, yield and nitrogen fertilizer requirement of sugar beet · 1973

    Opposite direction

  5. positive
    Nitrogen rates up to 160 kg ha-1 linearly increased shoot nitrogen content and accumulation.

    Plant density and nitrogen fertilization in Swiss chard · 2012

    Opposite direction

  6. positive
    The combined biofertilizer, reduced nitrogen and density treatment gave minimum sodium.

    Impact of crop density and soil fertilization on sugar beet · 2013

    Opposite direction

  7. positive
    Increasing nitrogen to 120 kg/fed significantly increased the content of N, P, K, SO and amino acids in sugar beet roots.

    RESPONSE OF SUGAR BEET TO NITROGEN FERTILIZER AND SULPHUR SPRAY FREQUENCY IN MIDDLE EGYPT · 2010

    Opposite direction

  8. positive
    High N application reduced the number of beet roots with B deficiency.

    Effects of nitrogen, boron and potassium on boron deficiency, leaf mineral concentrations, and yield of table beets (Beta vulgaris L.) · 1989 · compared with low rates or no N or B application

    Opposite direction

22 papers more in this group

See all 31 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.