Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

At 60 kg zinc sulphate, yield tended to decrease.

Taxon: carrotDaucus carotat0
Treatment: 60 kg ZnSO 4 .7H 2 O/hae0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“at higher zinc level (60 kg ZnSO 4 .7H 2 O/ha) the yield tended to decrease”
✓ located verbatim in the source · abstract, characters 352–427

t0
“carrot (Daucus caroto L.)”
✓ located verbatim in the source · abstract, characters 112–137

Title

Differential response of vegetable crops to zinc fertilization in Alluvial soils.

V. P. S. Solanki; Saurabh Singh; Omvir Singh; et al. The Indian Journal of Agricultural Sciences 2010

Other claims from this paper (11)

Intervention effect Zinc sulphate through 30 kg/ha significantly increased vegetable yield and dry matter.
Intervention effect Zinc response ranked carrot above cauliflower above onion.
Intervention effect Zinc application progressively raised zinc concentration and uptake.
Observation Cauliflower curd had maximum zinc removal.
Observation Carrot roots had minimum zinc removal.
Intervention effect Zinc application improved protein content and yield.
Intervention effect All three crops had maximum net returns and B:C ratio at 30 kg zinc sulphate.
Intervention effect Apparent zinc recovery was maximal at 30 kg zinc sulphate except in onion.
Intervention effect Onion apparent zinc recovery peaked at 0.40% with 15 kg zinc sulphate.
Intervention effect Zinc use efficiency was better at 15 kg zinc sulphate.
Intervention effect Zinc use efficiency decreased as zinc rate increased and was lowest at 60 kg.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield decreased by more than 20% in three carrot cultivars, the highest decrease among cultivars.

Taxon: carrotDaucus carotat0
Material: Amsterdamska, Berlikumer 2 and Perfekcjae4
Outcome: yielde4
Direction: highest decreasee4
Value: above 20%e4

Verbatim

e4
“The highest decrease in the yield (above 20%) were found in three of carrot cultivars (Amsterdamska, Berlikumer 2 and Perfekcja)”
✓ located verbatim in the source · abstract, characters 845–973

t0
“in carrot crops”
✓ located verbatim in the source · title, characters 67–82

Title

Occurrence and harmfulness of black bean aphid (Aphis fabae Scop.) in carrot crops

I. Łuczak; A Swiderski; Małgorzata Gaborska; et al. Progress in Plant Protection 2012

Other claims from this paper (8)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Pre-emergence treatments tended to decrease yield of carrots and turnips compared with pre-planting treatments.

Taxon: carrots and turnipsDaucus carota Brassica rapa subsp. rapat0
Treatment: Pre - emergence treatmentse1
Outcome: yielde1
Direction: tended to decreasee1
Comparator: pre - planting treatmentse1

Verbatim

e1
“Pre - emergence treatments, as compared to pre - planting treatments, tended to increase weed control, ash content, conductivity values, and protein content, but tended to decrease yield”
✓ located verbatim in the source · abstract, characters 2050–2236

t0
“carrots and turnips”
✓ located verbatim in the source · title, characters 77–96

Title

Calcium cyanamide as a weedicide and its influence on the nutritive value of carrots and turnips

Mohr, Willard Phillip cIRcle (University of British Columbia) 2012. doi:10.14288/1.0106539

Other claims from this paper (11)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Later defoliation caused the greatest yield decrease.

Taxon: Carrot (Daucus carota L.)Daucus carotat0
Treatment: Defoliatione0
Outcome: yielde0
Direction: decreasede0
Qualifier: later stages of developmente0

Not reportedComparator

Verbatim

e0
“Defoliation, in general, decreased yield the greatest when it when it occurred at the later stages of development”
✓ located verbatim in the source · abstract, characters 663–776

t0
“Carrot (Daucus carota L.)”
✓ located verbatim in the source · title, characters 34–59

Title

214 Yield and Quality Response of Carrot (Daucus carota L.) to Simulated Storm Damage

Michael E. Bartolo; Frank C. Schweissing HortScience 1999. doi:10.21273/hortsci.34.3.479a

Other claims from this paper (4)

Intervention effect 67% defoliation reduced total yield more than 33% defoliation.
Intervention effect 67% defoliation reduced marketable yield more than 33% defoliation.
Observation Root length and diameter were similarly affected by defoliation.
Observation Carrot foliage continued growing after defoliation.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Intercrop competition decreased carrot yield.

Taxon: CarrotsDaucus carotat0
Treatment: intercrope0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“The yield decrease due to competition from the intercrop”
✓ located verbatim in the source · abstract, characters 235–291

t0
“Carrots”
✓ located verbatim in the source · title, characters 51–58

Title

Intercropping as a Strategy for Reducing Damage to Carrots Caused by the Carrot Fly,Psila rosae(F.)

Birgitta Rämert Biological Agriculture & Horticulture 1996. doi:10.1080/01448765.1996.9754794

Other claims from this paper (5)

Intervention effect Lucerne living mulch reduced carrot fly damage.
Observation Lucerne intercrop enhanced soil nitrogen through fixation.
Intervention effect Intercropping decreased weed germination and development.
Association Competition effects were less pronounced when carrot fly populations were high.
Association Competition persisted when yield losses from the fly were low.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Carrot-dill intercropping significantly decreased yield.

Taxon: carrotDaucus carotat0
Treatment: Carrot-dill intercroppinge0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Carrot-dill intercropping resulted in a significant yield decrease.”
✓ located verbatim in the source · abstract, characters 1792–1859

t0
“CARROT (Daucus carota L.)”
✓ located verbatim in the source · title, characters 93–118

Title

THE EFFECT OF BIOLOGICAL CONTROL OF THE CARROT FLY (Psila rosae) ON THE YIELD AND QUALITY OF CARROT (Daucus carota L.) STORAGE ROOTS

B. Wierzbicka; Joanna Majkowska-Gadomska DOAJ (DOAJ: Directory of Open Access Journals) 2012

Other claims from this paper (8)

Intervention effect Carrot-dill intercropping reduced carrot fly larval root damage.
Intervention effect Carrot-Welsh onion intercropping reduced carrot fly larval root damage.
Intervention effect Biological control methods significantly affected carrot yield.
Intervention effect Bioczos BR benefited total and marketable carrot root yield.
Intervention effect Carrot-Welsh onion intercropping benefited total and marketable carrot root yield.
Association Cultivar and its interaction with biocontrol method affected carrot root dry matter, total sugars and L-ascorbic acid.
Association Purple-rooted carrot cultivars had higher dry matter and L-ascorbic acid concentrations.
Observation Mean nitrate content of carrot storage roots remained below the legal maximum.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Aluminium decreased carrot root length and shoot and root dry matter yield.

Taxon: carrotDaucus carotae0
Organ / stage: shoots and rootse0
Treatment: aluminium treatmente0
Outcome: root length and dry matter yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“aluminium treatment caused a significant decrease in root length and dry matter yield in the shoots and roots of carrot”
✓ located verbatim in the source · abstract, characters 0–119

Title

Aluminium-phosphorus interactions on growth and some physiological traits of carrot and radish plants

M. Ismail Acta Agronomica Hungarica 2005. doi:10.1556/aagr.53.2005.3.6

Other claims from this paper (8)

Intervention effect Aluminium decreased radish root length and shoot and root dry matter yield.
Intervention effect Aluminium reduced soluble sugars and total amino acids in carrot and radish.
Intervention effect Aluminium increased shoot and root proline content in carrot and radish.
Intervention effect Low and moderate aluminium left soluble protein approximately unchanged.
Intervention effect At higher aluminium levels, radish soluble protein increased while soluble sugars fell.
Intervention effect At higher aluminium levels, carrot soluble protein showed the opposite response from radish.
Intervention effect Phosphorus fertilizer countered aluminium toxicity by increasing root elongation and dry matter production.
Association Phosphorus treatment was associated with high soluble sugar and protein and calcium, magnesium and phosphorus contents, particularly at low and moderate aluminium.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Root yield decreased by below 10% in the Koral and Nantejska carrot cultivars.

Taxon: carrotDaucus carotat0
Material: Koral and Nantejskae5
Outcome: yield of roote5
Direction: decreasee5
Value: below 10 %e5

Verbatim

e5
“The decrease in yield of root was smaller (below 10 %) in the case the other cultivars (for example – Koral and Nantejska cultivars)”
✓ located verbatim in the source · abstract, characters 975–1107

t0
“in carrot crops”
✓ located verbatim in the source · title, characters 67–82

Title

Occurrence and harmfulness of black bean aphid (Aphis fabae Scop.) in carrot crops

I. Łuczak; A Swiderski; Małgorzata Gaborska; et al. Progress in Plant Protection 2012

Other claims from this paper (8)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Applied phosphorus decreased small and very small carrot yield.

Taxon: carrotsDaucus carotae0
Treatment: applied phosphorust0
Outcome: yield of small (10-25 mm diameter) and very small carrots (<I0 mm diameter)e0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“a decrease in the yield of small (10-25 mm diameter) and very small carrots (<I0 mm diameter)”
✓ located verbatim in the source · abstract, characters 649–742

t0
“applied phosphorus”
✓ located verbatim in the source · title, characters 43–61

Title

Response of carrots ( Daucus carota L.) to applied phosphorus leaching on a Karrakatta sand, under two irrigation regimes

IR McPharlin; PM Aylmore; RC Jeffery Australian Journal of Experimental Agriculture 1992. doi:10.1071/ea9920225

Other claims from this paper (14)

Intervention effect Irrigation frequency did not significantly change carrot response to phosphorus.
Observation Carrot yield reached 99% of its maximum at the stated phosphorus rate.
Observation The phosphorus rate needed for 95% of maximum carrot yield was 102 ¦ 10 kg/ha.
Intervention effect Applied phosphorus increased medium and large carrot yield.
Intervention effect Applied phosphorus increased carrot root to shoot ratios.
Observation Rejects remained 9% of total yield across phosphorus rates.
Association Leaf phosphorus concentration of 0.38 ¦ 0.02% at midgrowth was required for 99% maximum yield.
Method / resource Visual symptoms were not useful for diagnosis of carrot phosphorus deficiency.
Association Phosphorus uptake by carrot roots and shoots increased with application rate.
Association Phosphorus uptake efficiency decreased as phosphorus rate increased.
Observation The crop took up 18% of applied phosphorus at the rate needed for maximum yield and profit.
Observation Soil phosphorus leaching below 30 cm occurred only at the highest application rate.
Intervention effect Irrigation frequency did not affect phosphorus leaching.
Observation Karrakatta sands had moderate phosphorus retention capacity and low water pollution risk.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Above 91% of the recommendation, third-year yield declined because stand decreased at higher N rates.

Taxon: CarrotDaucus carotae0 t0
Treatment: higher N application ratese0 t0
Outcome: Yielde0 t0
Direction: declinede0 t0
Qualifier: decrease in stande0 t0
Comparator: 91% of the recommended application ratee0 t0

Verbatim

e0
“Yield declined above 91% of the recommended application rate in the third year due to a decrease in stand at higher N application rates.”
✓ located verbatim in the source · abstract, characters 1390–1526

t0
“Carrot Yield”
✓ located verbatim in the source · title, characters 0–12

Title

Carrot Yield, Quality, and Storability in Relation to Preplant and Residual Nitrogen on Mineral and Organic Soils

Sean M. Westerveld; Mary Ruth McDonald; Alan W. McKeown HortTechnology 2006. doi:10.21273/horttech.16.2.0286

Other claims from this paper (8)

Intervention effect Nitrogen rate did not affect carrot yield, quality or storability on organic soil.
Intervention effect Applied nitrogen had no effect on mineral soil in the first year.
Intervention effect Mineral soil carrot yield increased with N rate up to 200% of the recommendation in year two.
Intervention effect Mineral soil carrot yield increased with N rate up to 91% of the recommendation in year three.
Intervention effect Nitrogen had no effect on carrot quality or storability on mineral soil.
Intervention effect Residual N from 2002 affected mineral-soil yield in 2003 more than N applied in 2003.
Recommendation No single mineral-soil nitrogen recommendation suits all years.
Recommendation Assess soil nitrogen availability at different depths at seeding to decide N application.

“yield decrease”

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