Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Water deficit at S1 caused a relative yield decrease.

Taxon: SoybeanGlycine maxt0
Organ / stage: early vegetative (S1)e0
Treatment: water deficite0
Outcome: relative decrease of yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“The water deficit at early vegetative (S1) and pod filling to early maturing (S4) was sensitive to the relative decrease of yield.”
✓ located verbatim in the source · abstract, characters 1188–1318

t0
“Soybean (Glycine max [L.] Merr.)”
✓ located verbatim in the source · title, characters 94–126

Title

The Effect of Water Deficit at Individual Growth Stages on the Yield and Water Requirement of Soybean (Glycine max [L.] Merr.)

R.A. Bustomi Rosadi; Afandi; Masateru Senge; et al. Journal of Rainwater Catchment Systems 2005. doi:10.7132/jrcsa.kj00004364683

Other claims from this paper (15)

Observation Soybean was sensitive to water stress especially at flowering and pod filling to maturity.
Observation Critical water content at S3 and S4 was around 50% of available water deficit.
Observation Critical water content at S3 and S4 was 0.26m^3/m^3.
Observation Water stress coefficient at S2 was 0.55.
Observation Water stress coefficient at S3 was 0.57.
Observation Water stress coefficient at S4 was 0.27.
Observation Yield response factor at SI was 0.96.
Observation Yield response factor at S2 was 0.42.
Observation Yield response factor at S3 was 0.46.
Observation Yield response factor at S4 was 1.20.
Intervention effect Water deficit at S4 caused a relative yield decrease.
Intervention effect Full irrigation after S2 could recover S1 water deficit damage.
Intervention effect Even small water deficit at S4 strongly damaged soybean yield.
Intervention effect All tested water deficit levels at S4 decreased yield efficiency extremely.
Recommendation Deficit irrigation after pod filling should not be used.

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The authors attributed the grain yield decrease to fewer productive tillers per square metre.

Taxon: COMMON WINTER WHEATt0
Organ / stage: productive tillerse0
Outcome: grain yielde0
Direction: decreasee0

Verbatim

t0
“COMMON WINTER WHEAT (TRITICUM AESTIVUM L.)”
✓ located verbatim in the source · title, characters 44–86

e0
“The main reason for the decrease in grain yield is the decrease in the number of productive tillers / m 2 .”
✓ located verbatim in the source · abstract, characters 1191–1298

Title

CORRELATION, DIRECT AND INDIRECT EFFECTS OF COMMON WINTER WHEAT (TRITICUM AESTIVUM L.) CULTIVAR GAYA 1 OF POTENTIAL GRAIN YIELD AND YIELD WITH ITS ELEMENTS

Bogdan Bonchev 2020

Other claims from this paper (9)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Under severe drought, Sabalan and Zarrin had the largest grain yield decrease.

Taxon: wheatTriticum aestivume0
Material: Sabalan’ and ‘Zarrine0
Outcome: grain yielde0
Direction: decreasee0

Verbatim

e0
“the highest decrease in grain yield as well as concomitant increase in proline content were seen in bread wheat of ‘Sabalan’ and ‘Zarrin’”
✓ located verbatim in the source · abstract, characters 1047–1184

Title

Effect of drought stress on yield and osmotic regulator of tetraploid and hexaploid wheat genotypes

International Journal of Biosciences (IJB) 2014. doi:10.12692/ijb/5.6.41-46

Other claims from this paper (6)

Observation Under severe drought, durum wheat IDW 01-61-130 had the highest grain yield.
Observation Under severe drought, bread wheat Zarrin had the lowest grain yield.
Observation Under severe drought, Sabalan and Zarrin showed increased proline content.
Observation PGS 01-60-335 and IDW 01-61-130 had the highest grain yield under severe drought.
Observation PGS 01-60-335 and IDW 01-61-130 had the highest proline content under severe drought.
Intervention effect Drought stress adversely affected wheat genotype yield.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Potato yield tended to decrease at 60 kg/ha sulphur.

Taxon: potatoSolanum tuberosume0
Treatment: higher sulphur level (60 kg/ha)e0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“at higher sulphur level (60 kg/ha) the yield tended to decrease in potato”
✓ located verbatim in the source · abstract, characters 547–620

Title

Effect of sulphur on yield, uptake of nutrients and economics of garlic (Allium sativum), onion (Allium cepa) and potato (Solanum tuberosum) in alluvial soil

DINESH PRATAP SINGH; SEEMA; JAVED ALI; et al. The Indian Journal of Agricultural Sciences 2016. doi:10.56093/ijas.v86i5.58352

Other claims from this paper (19)

Intervention effect Sulphur up to 45 kg/ha increased yield and dry matter production of garlic.
Intervention effect Sulphur up to 45 kg/ha increased yield and dry matter production of potato.
Intervention effect Sulphur up to 45 kg/ha increased yield and dry matter production of onion.
Intervention effect onion responded to sulphur application by 30.2 % over control.
Intervention effect garlic responded to sulphur application by 22.5 % over control.
Intervention effect potato responded to sulphur application by 17.0 % over control.
Intervention effect Sulphur application progressively increased sulphur uptake in the vegetable crops.
Intervention effect Increasing sulphur to 60 kg/ha increased N, P and K uptake in the vegetable crops.
Observation Potato tubers had maximum N, P and K removal.
Observation Onion bulbs had maximum S and Zn removal.
Observation Potato had higher protein amount and yield than onion and garlic.
Intervention effect Sulphur application improved protein content and yield, maximally at 60 kg S/ ha.
Intervention effect Garlic gave maximum net returns and B:C ratio at 60 kg S/ha.
Intervention effect onion gave maximum net returns and B:C ratio at 60 kg S/ha.
Intervention effect potato gave maximum net returns and B:C ratio at 45 kg/ha.
Observation Sulphur recovery reached its maximum at 45 kg S/ha except in potato.
Observation Potato sulphur recovery reached 36.3 % at 15 kg S/ha.
Observation Sulphur use efficiency was better at 30 kg S/ha in garlic, onion and potato.
Association Sulphur use efficiency decreased with increasing application and was minimal at 60 kg S/ha.

Intervention effectobservedoriginal resultnegativesimulated

Claim · model-written summary

Decreased solar radiation decreased simulated maize yield.

Taxon: maizeZea mayst0
Treatment: decrease in solar radiatione0
Outcome: yieldt0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“decrease in solar radiation and decrease carbondioxide concentration”
✓ located verbatim in the source · abstract, characters 1596–1664

t0
“yield of rainfed maize”
✓ located verbatim in the source · title, characters 25–47

Title

Simulation of growth and yield of rainfed maize under varied agronomic management and changing climatic scenario in Nawalparasi, Nepal

Umesh Shrestha; Lal Prasad Amgain; Tika Bahadur Karki; et al. Journal of Maize Research and Development 2015. doi:10.3126/jmrd.v1i1.14250

Other claims from this paper (18)

Observation RML-4/RML-17 had higher kernel rows per ear, at 13.77.
Observation RML-4/RML-17 had higher kernels per row, at 30.42.
Observation RML-4/RML-17 had higher test weight, at 244.9 g.
Observation RML-4/RML-17 grain yield was significantly higher at 6.03 t/ha than the listed cultivars.
Intervention effect April 7 sowing had higher kernels per row at 27.97.
Intervention effect April 7 sowing had higher kernel rows per ear at 12.89.
Intervention effect April 7 sowing had higher 1000 grain weight at 230 g.
Intervention effect April 7 sowing produced significantly higher grain yield of 5.13t/ha.
Method / resource The calibrated model validated days to anthesis with RMSE 0.426 day and D-index 0.998.
Method / resource The model validated physiological maturity with RMSE 0.674 day and D-index 0.999.
Method / resource The model validated grain number with RMSE 85.287 grain /m2 and D-index 0.993.
Method / resource The model validated unit weight with RMSE 0.012 g/kernel and D-index 0.854.
Method / resource The model validated grain yield with RMSE 54.94 kg/ha and D-index 1.00.
Method / resource The model was sensitive to climate change parameters.
Intervention effect Increasing maximum and minimum temperature decreased simulated rainfed maize yield.
Intervention effect Decreased carbon dioxide concentration decreased simulated maize yield.
Intervention effect A 2°C temperature rise decreased spring maize yield by around 15-20%.
Intervention effect The negative temperature effect was more pronounced in hybrid maize than other cultivars.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Manioc yield may decrease at higher rainfall.

Taxon: maniocManihot esculentae0
Outcome: Crop yieldse1
Direction: decreasee0
Qualifier: maye0
Setting: higher rainfall levelse0

Verbatim

e0
“manioc and maize may decrease at higher rainfall levels”
✓ located verbatim in the source · abstract, characters 599–654

e1
“Crop yields show no increase with rainfall”
✓ located verbatim in the source · abstract, characters 550–592

Title

An Ecological Perspective on Human Densities in the Central African Forest

R. F. W. Barnes; S . A. Lahm Journal of Applied Ecology 1997. doi:10.2307/2404862

Other claims from this paper (3)

Association Crop yields did not increase with rainfall.
Association Maize yield may decrease at higher rainfall.
Observation The lowest crop yields occurred in the geological class underlying central African forests.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Maize yield may decrease at higher rainfall.

Taxon: maizeZea mayse0
Outcome: Crop yieldse1
Direction: decreasee0
Qualifier: maye0
Setting: higher rainfall levelse0

Verbatim

e0
“manioc and maize may decrease at higher rainfall levels”
✓ located verbatim in the source · abstract, characters 599–654

e1
“Crop yields show no increase with rainfall”
✓ located verbatim in the source · abstract, characters 550–592

Title

An Ecological Perspective on Human Densities in the Central African Forest

R. F. W. Barnes; S . A. Lahm Journal of Applied Ecology 1997. doi:10.2307/2404862

Other claims from this paper (3)

Association Crop yields did not increase with rainfall.
Association Manioc yield may decrease at higher rainfall.
Observation The lowest crop yields occurred in the geological class underlying central African forests.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Flowering and pod formation had the greatest yield decrease after defoliation.

Taxon: common beanPhaseolus vulgarise2
Organ / stage: flowering and pods formatione0
Outcome: yielde1
Direction: highest decreasee0

Verbatim

e0
“The highest decrease was detected for flowering and pods formation.”
✓ located verbatim in the source · abstract, characters 780–847

e1
“decrease of yield”
✓ located verbatim in the source · abstract, characters 676–693

e2
“common bean (Phaseolus vulgaris L. cv. Goytacazes)”
✓ located verbatim in the source · abstract, characters 212–262

Title

Artificial Defoliation to Simulate Losses on Production of Bean (Phaseolus vulgaris L. cv. Goytacazes)

Omar Schmildt; Vinicius de Souza Oliveira; Dirceu Pratissoli; et al. Agricultural Sciences 2019. doi:10.4236/as.2019.108077

Other claims from this paper (3)

Intervention effect Defoliation decreased common bean yield at every tested level and stage except dried pods.
Intervention effect Yield reduction was greater with 100% defoliation at 42 days after emergence.
Association Number of pods per plant showed the best relationship with yield.

Mechanismauthor interpretationoriginal resultnegativeprojected

Claim · model-written summary

Yield decrease is attributed to a later planting date.

Taxon: maizeZea mayse0
Treatment: selection of a later planting datee4
Outcome: yield decreasee4

Verbatim

e0
“on the yield of maize in the Azuero Region in Panama”
✓ located verbatim in the source · abstract, characters 116–168

e4
“yield decrease is related to the selection of a later planting date”
✓ located verbatim in the source · abstract, characters 964–1031

Title

Using a Statistical Crop Model to Predict Maize Yield by the End-Of-Century for the Azuero Region in Panama

Marlemys M. Martínez; Tosiyuki Nakaegawa; Reinhardt Pinzón; et al. Atmosphere 2020. doi:10.3390/atmos11101097

Other claims from this paper (5)

Intervention effect SST ensembles C0, C1 and C3 are projected to double maize yield relative to the baseline period.
Intervention effect Under SST ensemble C1, maize yield is projected to be reduced by around 5%.
Mechanism Yield doubling is attributed to increased rainfall.
Association Lower maize yields are associated with projected El Niño Southern Oscillation (ENSO) years.
Observation Temperatures and precipitation intensity are projected to increase at the end of the century in the Azuero Region.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Delayed sowing led to a slight initial yield undulation, then a decrease in yield, with a significant difference.

Taxon: riceOryza sativae0
Treatment: delayed sowinge1
Outcome: yielde1
Direction: began to decreasee1

Not reportedComparator

Verbatim

e0
“The kind of rice Wanxian 98”
✓ located verbatim in the source · abstract, characters 0–27

e1
“The results indicated that delayed sowing would lead to slightly undulated yield firstly, and then began to decrease and the difference was significant”
✓ located verbatim in the source · abstract, characters 150–301

Title

Effects of Different Cultivation Methods and Nitrogen Fertilizer Application on Rice Yield

Liu Liang-ju Hubei nongye kexue 2015

Other claims from this paper (4)

Intervention effect The effect of nitrogen application amount on yield was reduced after an initial rise.
Intervention effect Too low or too high planting density was not conducive to improving the yield of Wanxian 98.
Intervention effect A planting density of 16.5 cm×20.0 cm gave the highest yield, 8506.5 kg/hm2.
Intervention effect Planting four, six or eight basic seedlings per hole gave higher yields, with actual yields of 8 496.0, 8 569.5 and 8 470.5 kg/hm2 respectively.

“yield decrease”

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