Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativesimulated

Claim · model-written summary

A 50-100% rainfall intensity decrease caused yield loss of 40-100%.

Taxon: maizeZea mayst0
Treatment: 50-100% decrease in rainfall intensitye0
Outcome: yieldse0
Direction: losse0
Value: 40-100%e0

Not reportedComparator

Verbatim

e0
“A 50-100% decrease in rainfall intensity during the growing season caused a loss of yields between 40-100%”
✓ located verbatim in the source · abstract, characters 1101–1207

t0
“maize”
✓ located verbatim in the source · title, characters 45–50

Title

Impacts of climate and farming management on maize yield in southernTanzania

HI Mtongori; F Stordal; RE Benestad; et al. African Crop Science Journal 2015. doi:10.4314/acsj.v23i4.9

Other claims from this paper (9)

Intervention effect Prolonged 20-day dry spells reduced maize yields by up to 43%.
Intervention effect Higher rainfall intensity in vegetative stages reduced yield by 5%.
Intervention effect Higher rainfall intensity in reproductive stages reduced yield by 2%.
Intervention effect Higher or lower temperatures shortened or lengthened days to flowering and maturity, respectively.
Intervention effect Temperature reduction to 2 o C below baseline caused yield loss.
Intervention effect Higher temperatures increased yield for UH6303 and H628 up to 2.5 °C.
Intervention effect Higher temperatures increased yield for PAN691 up to 4.5 °C.
Intervention effect Lower rainfall caused PAN691 yield loss up to 71%.
Intervention effect Lower temperature caused PAN691 yield loss up to 15%.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

In the pot experiment there was no significant decrease in tef grain yield at potassium levels above 40 mg L−1.

Taxon: TefEragrostis teft0
Direction: no significant decreasee0

Not reportedTreatmentComparatorOutcome

Verbatim

t0
“Tef (Eragrostis tef)”
✓ located verbatim in the source · title, characters 0–20

e0
“with no significant decrease thereafter”
✓ located verbatim in the source · abstract, characters 888–927

Title

Tef (Eragrostis tef) Responses to Phosphorus and Potassium Fertigation under Semi-Arid Mediterranean Climate

Moshe Halpern; Kelem Gashu; Isaac Zipori; et al. Agronomy 2021. doi:10.3390/agronomy11081588

Other claims from this paper (8)

Intervention effect In both the pot and field experiments, tef grain yield increased with phosphorus up to 6 mg L−1 and declined at 12 mg L−1.
Intervention effect In the pot experiment the decline in tef grain yield at 12 mg L−1 P was precipitous and significant.
Intervention effect In the field experiment the decline in tef grain yield at 12 mg L−1 P was gradual and statistically insignificant.
Intervention effect In the pot experiment, tef grain yield increased with potassium up to 40 mg L−1.
Intervention effect The effect of potassium concentration on tef was seen only in grain yield.
Intervention effect Potassium concentration had no effect on the size of the other plant organs of tef.
Intervention effect In the field experiment, tef grain yield was highest at 80 mg L−1 K but not statistically different from that at 40 mg L−1.
Intervention effect The effect of potassium on tef growth was apparent only at maturity and not at flowering.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

East-west yield was 3.3% lower than south-north yield, a less dramatic decrease.

Taxon: SoybeanGlycine maxt0
Treatment: east-west directione0
Outcome: yielde0
Direction: lowere0
Value: 3.3%e0
Comparator: south-north directione0

Verbatim

t0
“Soybean”
✓ located verbatim in the source · title, characters 49–56

e0
“with merely 3.3% yield lower than the south-north direction,the yield decrease of the east-west direction was not so dramatic”
✓ located verbatim in the source · abstract, characters 691–816

Title

Effect of Different Ridge Directions on Yield of Soybean

Qiang Fu 2011

Other claims from this paper (9)

Intervention effect Northeast-southwest ridges had lower leaf area index, dry matter weight and plant height than south-north ridges across the stated stages.
Intervention effect Northwest-southeast ridges had lower leaf area index, dry matter weight and plant height than south-north ridges.
Intervention effect East-west ridges had lower leaf area index, dry matter weight and plant height than south-north ridges.
Intervention effect Northeast-southwest ridges had lower seed weight per plant, seed number per plant and economic index than south-north ridges.
Intervention effect Northwest-southeast ridges had lower seed weight per plant, seed number per plant and economic index than south-north ridges.
Intervention effect East-west ridges had lower seed weight per plant, seed number per plant and economic index than south-north ridges.
Intervention effect Northeast-southwest yield was 13.4% lower than south-north yield, with a remarkable difference.
Intervention effect Southeast-northwest yield was 14.2% lower than south-north yield, with a remarkable difference.
Recommendation The authors recommend widespread south-north ridges for better soybean growth and production indices.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

When the curve was accompanied by cracking, yield loss and DRC decrease were more severe.

Taxon: rubber treesHevea brasiliensise0
Treatment: accompanied by crackinge5
Outcome: yield loss and the DRC decreasee5
Direction: more severee5

Not reportedComparator

Verbatim

e0
“wind damaged and one-year recovery of rubber trees”
✓ located verbatim in the source · abstract, characters 111–161

e5
“when the curve was accompanied by cracking, the yield loss and the DRC decrease were more severe”
✓ located verbatim in the source · abstract, characters 956–1052

Title

Wind damage and yield recovery in rubber (Hevea brasiliensis) plantation

Junaidi; S A Wibowo; A Wijaya IOP Conference Series Earth and Environmental Science 2021. doi:10.1088/1755-1315/759/1/012046

Other claims from this paper (8)

Association The proportion of curved, broken branch and uprooted trees increased with plant age.
Association The proportion of broken stem decreased with plant age.
Observation Broken stem and uprooted trees were found in the center of the wind-impacted area.
Observation Curved and broken branch trees were located in the outer part of the wind-impacted area.
Intervention effect Wind damage significantly reduced yield and dry rubber content in rubber trees compared with normal trees.
Intervention effect Curved trees had their yield reduced by nearly 50% compared with normal trees.
Intervention effect Curved trees had their dry rubber content lower by around 4.92% compared with normal trees.
Observation One-year recovered rubber trees had not fully recovered.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Two cuts per year did not significantly decrease seed yield or quality.

Taxon: pearl millet ✕ elephantgrasst0
Treatment: Two cuts per yeare0
Outcome: seed yield and seed qualitye0
Direction: did not decreasee0
Qualifier: mid‐June and early Auguste0

Not reportedComparator

Verbatim

e0
“Two cuts per year (mid‐June and early August) did not decrease seed yield and seed quality significantly”
✓ located verbatim in the source · abstract, characters 1216–1320

t0
“pearl millet ✕ elephantgrass”
✓ located after whitespace/quote normalisation · title, characters 49–77

Title

Defoliation Effects and Seed Yield Components in Pearl Millet ✕ Elephantgrass Hybrids

Diego A. Diz; Stanley C. Schank; David S. Wofford Agronomy Journal 1995. doi:10.2134/agronj1995.00021962008700010010x

Other claims from this paper (12)

Association Linear defoliation effects explained 18 to 90% of trait variation in 1991.
Association Linear defoliation effects explained 18 to 96% of trait variation in 1992.
Observation Genotype by treatment by year interactions were common.
Intervention effect Two and three cuts per year drastically reduced panicle height and biomass.
Intervention effect Defoliation delayed flowering.
Intervention effect Two cuts per year did not affect plant survival.
Intervention effect Three cuts per year drastically reduced seed production and quality.
Association Path analyses showed significant defoliation-treatment effects across traits.
Association Path analyses showed significant year effects across traits.
Association Seeds per panicle was strongly correlated with seed yield per plant.
Observation Defoliation changed correlations and compensatory mechanisms among seed yield components.
Observation Adequate seed production persisted with two cuts per year.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Planting at the end of May caused no corresponding decrease in seed yield.

Taxon: flaxLinum usitatissimumt0
Treatment: Delaying planting until the end of Maye0
Outcome: seed yielde0
Direction: no corresponding decreasee0

Not reportedComparator

Verbatim

e0
“Delaying planting until the end of May increased fibre yields by an average of 35% with no corresponding decrease in seed yield”
✓ located verbatim in the source · abstract, characters 1127–1254

t0
“oilseed flax”
✓ located verbatim in the source · title, characters 49–61

Title

Impact of production practices on fiber yield of oilseed flax under Canadian prairie conditions

R B Irvine; J McConnell; G P Lafond; et al. Canadian Journal of Plant Science 2010. doi:10.4141/cjps08233

Other claims from this paper (11)

Observation Oilseed flax cultivars tended to be shorter than fibre cultivars.
Observation Oilseed flax cultivars tended to have lower fibre content and above-ground biomass than fibre cultivars.
Intervention effect At recommended linseed seeding rates, planting geometry did not affect seed and fibre yields.
Intervention effect Increasing the seeding rate from 40 to 120 kg ha -1 did not affect flax seed yield.
Intervention effect Increasing seeding rate did not affect flax fibre content.
Intervention effect Higher seeding rates increased stem numbers.
Intervention effect Higher seeding rates decreased stem size and variability in stem size.
Intervention effect Higher seeding rates increased fibre yield.
Intervention effect Planting at the end of May increased fibre yield by 35% on average.
Observation Cultivars had similar relative seed and fibre yield responses under solid seed and narrow band geometries.
Recommendation Breeders can select higher fibre producing lines with narrow band seed openers spaced up to 30 cm apart.

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.

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.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Limited irrigation II caused the smallest yield decrease compared with full irrigation.

Taxon: upland riceOryza sativat0
Treatment: limited irrigationⅡe0
Outcome: yielde0
Direction: decrease degreee0
Comparator: full irrigation treatmente0

Verbatim

e0
“The decrease degree of yield and grain per ear by treatment of limited irrigationⅡwere the smallest compared with the full irrigation treatment”
✓ located verbatim in the source · abstract, characters 389–532

t0
“Upland Rice”
✓ located verbatim in the source · title, characters 85–96

Title

Effects of Different Irrigation Treatments on Root Growth andWater Use Efficiency of Upland Rice

Junfang Zhao; Monica Bouman Agricultural Meteorology 2004

Other claims from this paper (5)

Observation Most upland rice root dry weight was within the 0～30cm soil layer.
Association Less irrigation and stronger water stress increased roots below 30cm.
Intervention effect Limited irrigation II caused the smallest decrease in grains per ear compared with full irrigation.
Observation Limited irrigation II had the highest water use efficiency.
Recommendation The authors recommend limited irrigation II for upland rice in Beijing.

“yield decrease”

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