Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

P christiei populations were associated with 16% yield decrease in Bragg.

Taxon: SoybeansGlycine maxt0
Material: Bragge0
Interactor: P christieie1pest
Outcome: yield decreasee0
Direction: decreasee0
Value: 16%e0

Verbatim

e0
“were associated with 16%, 10% and 6% yield decrease of 'Bragg', 'Santa Rosa' and 'Hernon 147', respectively.”
✓ located verbatim in the source · abstract, characters 874–982

t0
“Plant-Parasitic Nematodes and Neocosmospora vasinfectca Var. Africana Associated with Soybeans”
✓ located verbatim in the source · title, characters 0–94

e1
“P christiei were recovered from fumigated plots”
✓ located verbatim in the source · abstract, characters 822–869

Title

Plant-Parasitic Nematodes and Neocosmospora vasinfectca Var. Africana Associated with Soybeans in the Republic of Zambia

Dennis A. Lawn; G. R. Noel; J. B. Sinclair Nematropica 1988

Other claims from this paper (5)

Observation Nematode populations did not differ significantly among soybean cultivars.
Intervention effect Fumigation significantly lowered populations of all nematode species except P christiei.
Intervention effect Fumigated plots at Mkushi had higher P christiei populations.
Association P christiei populations were associated with 10% yield decrease in Santa Rosa.
Association P christiei populations were associated with 6% yield decrease in Hernon 147.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Coir-based growing media can be reused for another short-cycle crop such as lettuce without yield loss or phytonutrient decrease.

Taxon: lettuceLactuca sativae0
Outcome: without yield loss or phytonutrients decreasee0

Verbatim

e0
“Coir-based growing media can be reused for another short-cycle crop, like lettuce, without yield loss or phytonutrients decrease”
✓ located verbatim in the source · abstract, characters 1099–1227

Title

Reusing Coir-Based Substrates for Lettuce Growth: Nutrient Content and Phytonutrients Accumulation

Rui Machado; Isabel Alves-Pereira; Inês Alves; et al. Horticulturae 2023. doi:10.3390/horticulturae9101080

Other claims from this paper (6)

Intervention effect Lettuce grown in reused mixes had macronutrient concentrations similar to those grown in coir for the first time.
Intervention effect N and K concentrations differed from those in new coir in plants grown in the third reused mix (coir, biochar and pine bark).
Intervention effect Lettuce grown in reused mixtures had yields similar to those in new coir.
Observation Lettuce heads yielded 4.6–4.9 kg/m2.
Intervention effect Plants grown in reused mixtures had equal or higher total phenols than those in new coir.
Intervention effect Ascorbic acid content was higher in plants cultivated in reused mixes.

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The decrease in yield was attributed to fewer fruits being matured

Taxon: navel orangeCitrus sinensise0
Outcome: decrease in yielde4
Qualifier: fewer fruits being maturede4

Verbatim

e0
“navel orange trees were grown in outdoor solution cultures for a period of 11 years to measure the effect of iron deficiency on fruit production”
✓ located verbatim in the source · abstract, characters 13–157

e4
“The decrease in yield was due to fewer fruits being matured”
✓ located verbatim in the source · abstract, characters 675–734

Title

Iron in citrus production

E. F. Wallihan; M. J. Garber DOAJ (DOAJ: Directory of Open Access Journals) 1967

Other claims from this paper (6)

Intervention effect Iron deficiency reduced navel orange fruit production compared with leaf iron above 30 ppm
Association Fruit production declined progressively as leaf iron fell below 30 ppm, reaching essentially zero at 15 ppm of iron
Observation Fruit quality at harvest was not seriously affected, apart from some loss of color
Association Iron content of the juice was about proportional to iron content of the leaves
Intervention effect Fruit size was the same or slightly larger in iron-deficient trees
Observation Twig dieback was observed as a symptom of iron deficit that caused loss of fruit yield

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

A 20% decrease in irrigation rate had no significant effect on peach yield.

Taxon: peachPrunus persicae6
Treatment: 20% decrease in irrigation ratee1
Outcome: yielde1
Direction: no_changeinferrede1

Not reportedComparator

Verbatim

e6
“to investigate the behavior of peach trees under sustained deficit irrigation (SDI)”
✓ located verbatim in the source · abstract, characters 181–264

e1
“However, for the 20% decrease in irrigation rate, the effect on yield was not significant”
✓ located verbatim in the source · abstract, characters 1095–1184

Title

PHYSIOLOGICAL, VEGETATIVE, AND PRODUCTION RESPONSES OF PEACH TO SUSTAINED DEFICIT IRRIGATION

MERIAME LAITA; ZERHOUNE MESSAOUDI; RACHID BENKIRANE; et al. Journal of Global Agriculture and Ecology 2022. doi:10.56557/jogae/2022/v14i47818

Other claims from this paper (5)

Intervention effect Decreasing irrigation rate negatively affected the main vegetative and production parameters of peach trees.
Intervention effect The T3 (60%ETc) water regime significantly increased the length and diameter of current-year shoots of peach trees.
Intervention effect The T2 (80 % ETc) water regime did not affect peach leaf area.
Intervention effect Trees under the T3 (60 % ETc) regime yielded fruit with the highest sugar content.
Association The increase in sugar content was accompanied by a decrease in total acidity of the fruit juice.

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Soybean yield did not decrease with the warming treatments in the analysis.

Taxon: Soye4
Treatment: increasing warming treatmentse4
Outcome: yielde4
Direction: did not decreasee4

Verbatim

e4
“Soy yield did not decrease with increasing warming treatments in this analysis, but experimental warming treatments did not exceed optimal soy growth temperature ranges”
✓ located verbatim in the source · abstract, characters 995–1163

Title

Rising temperatures can negate CO2 fertilization effects on global staple crop yields: A meta-regression analysis

Chunwu Zhu; Julie Wolf; Jishuang Zhang; et al. Agricultural and Forest Meteorology 2023. doi:10.1016/j.agrformet.2023.109737

Other claims from this paper (9)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Yield followed a trend of initial increase and then decrease or stabilization with continued nitrogen application.

Taxon: maizeZea mayst0
Treatment: continued nitrogen applicatione1
Outcome: yielde1
Direction: initial increase followed by a decrease or stabilizatione1

Not reportedComparator

Verbatim

e1
“with continued nitrogen application, the yield exhibited a trend of initial increase followed by a decrease or stabilization”
✓ located verbatim in the source · abstract, characters 1000–1124

t0
“Maize Varieties”
✓ located verbatim in the source · title, characters 12–27

Title

Response of Maize Varieties with Different Nitrogen Efficiencies to Nitrogen Fertilizer

Yulong Yang; Tao Wen; Huifeng Wang; et al. Agronomy 2026. doi:10.3390/agronomy16010109

Other claims from this paper (13)

Intervention effectobservedcited backgroundnegativemeasured

Claim · model-written summary

Earlier NIAB TAG work found an initial yield decrease after conversion to noninversion tillage.

Taxon: winter sown combinable cropst0
Treatment: noninversion tillage systeme0
Outcome: crop yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Previous work undertaken at NIAB TAG had shown an initial decrease in crop yield immediately after conversion to a noninversion tillage system”
✓ located verbatim in the source · abstract, characters 1164–1306

t0
“winter sown combinable crops”
✓ located verbatim in the source · title, characters 46–74

Title

Reduced tillage improves energy efficiency in winter sown combinable crops

Douglas Warner; Ron Stobart; Nathan Morris; et al. University of Hertfordshire Research Archive (University of Hertfordshire) 2016

Other claims from this paper (1)

Observation Earlier NIAB TAG work reported yield increasing in following seasons after conversion.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Unmanaged disease can significantly decrease Waxy Yam yield and quality.

Taxon: Waxy Yame0
Interactor: Epicoccum sorghinumEpicoccum sorghinumt0pathogen
Outcome: yield and qualitye0
Direction: decreasee0
Qualifier: if not managed properlye0

Verbatim

e0
“leading to a significant decrease in the yield and quality of Waxy Yam if not managed properly.”
✓ located verbatim in the source · abstract, characters 119–214

t0
“Epicoccum sorghinum”
✓ located verbatim in the source · title, characters 16–35

Title

First Report of Epicoccum sorghinum Causing Black Leaf Spot on Dioscorea polystachya in China

Qianqian Zhou; Liping Chen; Hongxia Zheng; et al. Plant Disease 2025. doi:10.1094/pdis-10-24-2193-pdn

Other claims from this paper (2)

Observation Epicoccum sorghinum caused black leaf spot on Dioscorea polystachya in China.
Observation The disease mainly breaks out during the plum rain season.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing land size was associated with a 9% yield decrease in the main-island region.

Taxon: soybeanGlycine maxt0
Treatment: land-size increasee0
Outcome: yielde0
Direction: decreasee0
Value: 9 %e0
Setting: main-island regione0

Verbatim

e0
“The TFP-improving land-size increase adversely resulted in a 9 % yield decrease in the main-island region”
✓ located verbatim in the source · abstract, characters 1113–1218

t0
“soybean”
✓ located verbatim in the source · title, characters 14–21

Title

Assessment of soybean productivity and its changing factors in Japan based on the production cost statistics

Sohei Kobayashi; Yoji Kunimitsu Heliyon 2024. doi:10.1016/j.heliyon.2024.e38396

Other claims from this paper (8)

Observation Soybean total factor productivity increased annually in two regions.
Observation Country average soybean yield decreased annually.
Association Land-size increase and time progress improved TFP in Hokkaido.
Association In the main-island region, increased land size raised TFP by 14%.
Association Time progress offset main-island TFP gains by 11%.
Association Time-progress effects on yield indicated changes in cultivation methods.
Association Saving production inputs per unit area improved TFP in both regions.
Association Greater seed, agrochemical and rental-service inputs were associated with higher yield depending on region.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher manganese and boron concentrations were associated with decrease in barley yield.

Taxon: BarleyHordeum vulgaree1
Treatment: manganese and boron coucentrationse0
Outcome: yielde0
Direction: decreasee0

Verbatim

e0
“A decrease in yield and an increase in spotting were found to be associated with an increase in the manganese and boron coucentrations of the solutions”
✓ located verbatim in the source · abstract, characters 336–487

e1
“Barley plants grown in standard Hoagland solutions”
✓ located verbatim in the source · abstract, characters 177–227

Title

Manganese and Boron Toxicities in Standard Culture Solutions1

D. Emerton Williams; James Vlamis Soil Science Society of America Journal 1957. doi:10.2136/sssaj1957.03615995002100020018x

Other claims from this paper (19)

Observation Recommended manganese and boron concentrations were toxic to barley.
Observation Recommended manganese and boron concentrations were slightly toxic to lettuce.
Observation Recommended manganese and boron concentrations were non-toxic to tomato plants.
Observation Barley in standard Hoagland solution developed dark brown older-leaf spots.
Association Higher manganese and boron concentrations were associated with increase in barley spotting.
Association Barley leaf manganese content correlated with toxicity symptoms.
Intervention effect Decreasing the manganese concentration repressed or prevented barley manganese spots.
Intervention effect increasing the macro-salt concentration repressed or prevented barley manganese spots.
Intervention effect adding sodium silicate repressed or prevented barley manganese spots.
Intervention effect Supplemental calcium salts reduced barley leaf manganese.
Intervention effect Supplemental magnesium salts reduced barley leaf manganese.
Intervention effect Supplemental potassium salts reduced barley leaf manganese.
Intervention effect Silicon repressed barley manganese toxicity symptoms.
Intervention effect Silicon had no effect on barley leaf manganese content.
Intervention effect Reducing the boron concentration eliminated boron spotting in barley.
Intervention effect increasing the macro-salt concentration eliminated boron spotting in barley.
Intervention effect Added silicon slightly reduced barley boron necrosis.
Observation Winter-grown barley tolerated higher manganese before toxicity symptoms than summer-grown plants.
Observation Winter-grown barley tolerated higher boron concentrations before toxicity symptoms than summer-grown plants.

“yield decrease”

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