Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Unprotected B. campestris had a significant yield decrease.

Taxon: B. campestrisBrassica rapa subsp. oleiferae0
Treatment: unprotectede1
Outcome: decreasee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“B. campestris a significant decrease.”
✓ located verbatim in the source · abstract, characters 790–827

t0
“RESPONSE OF FOUR BRASSICA SEED CROP SPECIES TO ATTACK BY THE CRUCIFER FLEA BEETLE, PHYLLOTRETA CRUCIFERAE”
✓ located verbatim in the source · title, characters 0–105

e1
“Nevertheless the unprotected B. juncea treatment yielded as much as the protected; B. napus, however, suffered an apparent appreciable decrease and B. campestris a significant decrease.”
✓ located verbatim in the source · abstract, characters 642–827

Title

RESPONSE OF FOUR BRASSICA SEED CROP SPECIES TO ATTACK BY THE CRUCIFER FLEA BEETLE, PHYLLOTRETA CRUCIFERAE

L. G. PUTNAM Canadian Journal of Plant Science 1977. doi:10.4141/cjps77-143

Other claims from this paper (7)

Intervention effect Unprotected B. hirta seedlings sustained little flea beetle damage.
Intervention effect Unprotected B. hirta had seed yield as high as protected B. hirta.
Observation Unprotected B. juncea seedlings sustained severe damage.
Observation Unprotected B. napus seedlings sustained severe damage.
Observation Unprotected B. campestris seedlings sustained severe damage.
Intervention effect Unprotected B. juncea yielded as much as protected B. juncea.
Intervention effect Unprotected B. napus showed an apparent appreciable yield decrease.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Excessive nitrogen could decrease economic coefficient.

Taxon: peanutArachis hypogaeat0
Treatment: Excessive nitrogene0
Outcome: economic coefficiente0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Excessive nitrogen,however,could decrease economic coefficient,and thus decreasing pod yield.”
✓ located verbatim in the source · abstract, characters 521–614

t0
“peanut”
✓ located verbatim in the source · title, characters 89–95

Title

Effect of nitrogen levels on yield and sucrose synthesis of leaves in different types of peanut

Minglun Wang Plant Nutrition and Fertilizing Science 2008

Other claims from this paper (10)

Intervention effect Within a certain range, nitrogen increased activity of sucrose synthesis.
Intervention effect Within a certain range, nitrogen increased sucrose content of leaves.
Intervention effect Excessive nitrogen could decrease activity of sucrose phosphate sythase.
Intervention effect Excessive nitrogen could decrease sucrose content of leaves.
Intervention effect Excessive nitrogen could decrease pod yield.
Intervention effect Proper nitrogen could increase pod yield.
Intervention effect Proper nitrogen could increase valid pods per plant.
Intervention effect Proper nitrogen could increase plumpness rate of pod.
Observation The optimum nitrogen rate for var.vulgaris Harz in Arachis hypogaea was N 90 kg/ha.
Observation The optimum nitrogen rate for common type peanut was N 135 kg/ha.

Intervention effectobservedoriginal resultnegativesimulated

Claim · model-written summary

Decreased carbon dioxide concentration decreased simulated maize yield.

Taxon: maizeZea mayst0
Treatment: decrease carbondioxide concentratione0
Outcome: yieldt0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“decrease carbondioxide concentration”
✓ located verbatim in the source · abstract, characters 1628–1664

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 solar radiation 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.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher manure rates did not increase spelt yield and often tended to decrease it.

Treatment: Higher ratee0
Outcome: yielde0
Direction: decreasinge0

Not reportedTaxonComparator

Verbatim

e0
“Higher rate didn’t increase the yield and often caused tendency for yield decreasing.”
✓ located verbatim in the source · abstract, characters 660–745

Title

Reaction of winter spelt varieties on manure fertilization.

H. Sulewska; W. Koziara; Grażyna Szymańska; et al. Journal of Research and Applications in Agricultural Engineering 2010

Other claims from this paper (4)

Association Suitable rainfall years doubled spelt yield relative to low-rainfall years.
Intervention effect Applying 15 tons of manure per hectare was advantageous for spelt.
Observation Schwabenpelz and Badengold responded similarly to manure.
Observation Badengold yielded more than Schwabenpelz across years and cultivation variants.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

T 1 produced higher water use efficiency without a significant decrease in yield parameters.

Taxon: TomatoSolanum lycopersicumt0
Treatment: T 1e0
Outcome: water use efficiency ( WUE )e0
Direction: highere0

Not reportedComparator

Verbatim

e0
“T 1 produced higher water use efficiency ( WUE ) with no significant decrease in yield parameters”
✓ located verbatim in the source · abstract, characters 1081–1178

t0
“Tomato”
✓ located verbatim in the source · title, characters 29–35

Title

Modeling the Relationship of Tomato Yield Parameters with Deficit Irrigation at Different Growth Stages

Xuelian Jiang; Yueling Zhao; Rui Wang; et al. HortScience 2019. doi:10.21273/hortsci14179-19

Other claims from this paper (6)

Intervention effect Deficit irrigation significantly decreased evapotranspiration and yield and fruit size measures, except for T 1.
Association Relative yield and fruit dimensions rose linearly with relative seasonal evapotranspiration.
Observation Yield and fruit measures were more sensitive to water deficit at stage 2 than stage 3.
Method / resource Minhas and Singh model estimates of yield were similar to observations.
Method / resource The Minhas model gave good estimates of fruit length and diameter.
Recommendation The authors recommend the Blank model to calculate single-fruit weight under deficit irrigation.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Excess fertilization did not significantly decrease yield.

Taxon: wheatTriticum aestivumt0
Treatment: excessive fertilizatione0
Outcome: yielde0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“The yield is not significantly decreased under the excessive fertilization.”
✓ located verbatim in the source · abstract, characters 1084–1159

t0
“wheat yield”
✓ located verbatim in the source · title, characters 38–49

Title

Effects of N,P and K fertilization on wheat yield and fertilizer use efficiency in Weibei rainfed highland

Zuoping Zhao Journal of Plant Nutrition and Fertilizer 2013

Other claims from this paper (12)

Intervention effect Nitrogen increased wheat yield by 986 kg/ha (30.0%).
Intervention effect Phosphorus increased wheat yield by 679 kg/ha (18.9%).
Intervention effect Potassium increased wheat yield by 405 kg/ha (9.5%).
Observation N2P2K2 was the best treatment across yield, profit, FCR and AE.
Intervention effect Balanced fertilization increased yield by 73.0% versus CK.
Intervention effect Balanced fertilization increased profit by 1923 Yuan/ha versus CK.
Observation Balanced fertilization had FCR of 40.0%.
Observation Balanced fertilization had AE of 5.8 kg/kg.
Observation N use efficiency decreased significantly compared with the 1980s.
Observation P2O5 use efficiency remained basically the same compared with the 1980s.
Observation K2O use efficiency increased rapidly compared with the 1980s.
Recommendation Rational fertilization, farming and cultivation should be combined to raise wheat yield and profit.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Overexpression lines of OsMYBS1 showed no decrease in total grain yield per plant in rice.

Taxon: riceOryza sativat0
Treatment: overexpression linese2
Outcome: total grain yield per plante2
Direction: without a decreasee2

Not reportedComparator

Verbatim

t0
“agronomic performance in rice”
✓ located verbatim in the source · title, characters 70–99

e2
“overexpression lines produced more tillers and panicles, with a reduced seed-setting rate but without a decrease in total grain yield per plant”
✓ located verbatim in the source · abstract, characters 667–810

Title

Overexpression of OsMYBS1 affect leaf morphology, photosynthesis, and agronomic performance in rice

Yinhua Ma; Jing Zhang; Kai Liang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1653514

Other claims from this paper (7)

Intervention effect Overexpression of OsMYBS1 reduced rice plant height.
Observation Overexpression of OsMYBS1 produced broader and yellowing flag leaves in rice.
Intervention effect Overexpression of OsMYBS1 decreased chlorophyll content in rice.
Intervention effect Overexpression lines of OsMYBS1 produced more tillers and panicles in rice.
Intervention effect Overexpression lines of OsMYBS1 reduced the seed-setting rate in rice.
Observation A substantial number of differentially expressed genes in OsMYBS1 lines are associated with chloroplast biogenesis, photosynthesis and metabolic processes.
Mechanism OsMYBS1 may influence chloroplast development and function in rice.

Intervention effectauthor interpretationoriginal resultnegativeprojected

Claim · model-written summary

A 50% reduction of plant-available N would decrease crop yield by 17%.

Taxon: crope6
Treatment: reduction of plant-available N by 50%e6
Outcome: crop yielde6
Direction: decreasee6
Value: 17%e6

Not reportedComparator

Verbatim

e6
“a reduction of plant-available N by 50% would lead to a decrease in crop yield by 17% and a concomitant increase in N response efficiency by 67%”
✓ located verbatim in the source · abstract, characters 1123–1267

Title

Nutrient saturation of crop monocultures and agroforestry indicated by nutrient response efficiency

Marcus Schmidt; Marife D. Corre; Bomin Kim; et al. Nutrient Cycling in Agroecosystems 2020. doi:10.1007/s10705-020-10113-6

Other claims from this paper (10)

Intervention effect Crop yield, plant-available nutrients and NRE were comparable between alley-cropping agroforestry and cropland monocultures.
Observation Trees in agroforestry had high nutrient response efficiency.
Association Trees in agroforestry contributed to nutrient retention of the agroforestry system as a whole.
Association The NRE of crops had a unimodal relationship with plant-available nutrients.
Observation NRE values of crops were beyond optimum in both agroforestry and monoculture, indicating nutrient saturation.
Intervention effect A 50% reduction of plant-available N would increase N response efficiency by 67%.
Intervention effect A similar reduction of plant-available P would decrease crop yield by 8%.
Intervention effect A similar reduction of plant-available P would increase P response efficiency by 83%.
Recommendation Fertilizer inputs can be reduced or optimized without sacrificing crop yield or profit.
Association Optimized fertilization is expected to have beneficial effects on nutrient retention and redistribution.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Severe drought caused a greater grain yield decrease in Yangmai-16.

Taxon: wheatTriticum aestivumt0
Material: Yangmai-16e0
Treatment: severe drought stresse0
Outcome: grain yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Under severe drought stress, Yangmai-16 displayed relatively less adaptability to drought, with a slower recovery after re-watering and a greater decrease in grain yield.”
✓ located verbatim in the source · abstract, characters 1156–1326

t0
“wheat (Triticum aestivum) cultivars”
✓ located verbatim in the source · title, characters 71–106

Title

Adaptation to and recovery from drought stress at vegetative stages in wheat (Triticum aestivum) cultivars

Muhammad Abid; Zhongwei Tian; Syed Tahir Ata-Ul-Karim; et al. Functional Plant Biology 2016. doi:10.1071/fp16150

Other claims from this paper (9)

Intervention effectobservedoriginal resultnegativeprojected

Claim · model-written summary

Increasing harvested area by 10 hectares was forecast to decrease yield by 0.01 tons per hectare.

Taxon: Sugarcanet0
Treatment: increasing area harvested by 10 hectarese0
Outcome: yielde0
Direction: decreasee0
Value: 0.01 tons per hectaree0

Not reportedComparator

Verbatim

e0
“increasing area harvested by 10 hectares that would decrease the yield by 0.01 tons per hectare”
✓ located verbatim in the source · abstract, characters 1112–1207

t0
“Sugarcane”
✓ located verbatim in the source · title, characters 18–27

Title

Trend Analysis in Sugarcane Growth in Mumias Sugar Belt, Western Kenya; for the Period 1985-2015

Protas Fwamba Khaemba; Philomena W. Muiruri; Thomas N. Kibutu Interdisciplinary Journal of Rural and Community Studies 2021. doi:10.51986/ijrcs-2021.vol3.01.04

Other claims from this paper (5)

Method / resource The sugarcane output model showed good agreement with observed values.
Intervention effect Increasing harvesting age by two months was forecast to add about 4.52 tons of yield per hectare.
Recommendation The authors recommend developing early-maturing sugarcane varieties.
Recommendation The authors recommend improving sugar recovery percentage at Mumias Sugar Company.
Recommendation The authors recommend farm management practices to increase sugarcane farm efficiency.

“yield decrease”

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