Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

The yield decrease of wheat increased with subsoil Al.

Taxon: wheatTriticum aestivume0
Treatment: subsoil Ale3
Outcome: yield decreasee3
Direction: increasede3

Verbatim

e0
“toxicity on wheat growth were studied”
✓ located verbatim in the source · abstract, characters 112–149

e3
“the yield decrease increased with subsoil Al”
✓ located verbatim in the source · abstract, characters 935–979

Title

Interacting effects of topsoil water and nitrogen supply on subsoil aluminium toxicity

S. J. Can; G. S. P. Ritchie Communications in Soil Science and Plant Analysis 1994. doi:10.1080/00103629409369268

Other claims from this paper (5)

Observationobservedoriginal resultnegativesimulated

Claim · model-written summary

The UKMO scenario was unfavourable and showed a considerable yield decrease.

Taxon: riceOryza sativae1
Outcome: yielde0
Direction: decreasee0
Qualifier: UKMO scenarioe0

Verbatim

e0
“the UKMO scenario is not favorable, showing a considerable yield decrease”
✓ located verbatim in the source · abstract, characters 836–909

e1
“rice, maize and wheat production in Japan”
✓ located verbatim in the source · abstract, characters 83–124

Title

The Impacts of Climatic Warming on Cereal Crop Production in Japan.

Hiroshi SEINO Journal of Agricultural Meteorology 1995. doi:10.2480/agrmet.51.131

Other claims from this paper (11)

Intervention effect Higher temperature decreased simulated cereal yields in many regions under current management.
Intervention effect Higher temperature shortened simulated cereal growing seasons in many regions.
Intervention effect Direct CO2 benefits may compensate for yield losses in central and northern Japan.
Intervention effect Direct CO2 benefits did not compensate for yield losses in Kyushu.
Association Simulated crop-yield changes varied greatly among GCM scenarios.
Observation The GISS scenario was generally favourable for Japanese crop production.
Observation Wheat production was vulnerable under every GCM climate-change scenario.
Intervention effect Earlier planting raised simulated yields under climate change in most cases.
Intervention effect Earlier planting did not improve simulated yields in Kyushu because of high temperature stress.
Recommendation Early planting and irrigation were proposed as adaptation strategies.
Recommendation New cultivars better adapted to climate change would be required in Kyushu.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Vegetative-stage ozone exposure caused no significant fruit yield decrease at final harvest.

Taxon: tomatoSolanum lycopersicumt0
Treatment: O 3 exposure at the vegetative stagee0
Outcome: fruit yielde0
Direction: no significant decreasee0

Not reportedComparator

Verbatim

e0
“O 3 exposure at the vegetative stage, there was no significant decrease in fruit yield”
✓ located verbatim in the source · abstract, characters 733–819

t0
“Tomato”
✓ located verbatim in the source · title, characters 12–18

Title

Recovery of Tomato Plants from Ozone Injury

Albert Z. Tenga; Beverley A. Marie; Douglas P. Ormrod HortScience 1990. doi:10.21273/hortsci.25.10.1230

Other claims from this paper (5)

Intervention effect Ozone exposure caused visible leaf injury at either growth stage.
Intervention effect Ozone exposure reduced leaf area at either growth stage.
Intervention effect Vegetative-stage ozone exposure caused no fruit quality change at final harvest.
Intervention effect Flowering-stage ozone exposure progressively reduced fruit fresh weight.
Intervention effect Flowering-stage ozone exposure reduced fruit titratable acidity to a lesser degree.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Chlorsulfuron did not decrease mature grain nutrient concentrations or grain yield.

Taxon: wheatTriticum aestivumt0
Treatment: Chlorsulfuron treatmente0
Outcome: nutrient concentrations in mature grain or grain yielde0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Chlorsulfuron treatment did not decrease nutrient concentrations in mature grain or grain yield”
✓ located verbatim in the source · abstract, characters 639–734

t0
“wheat”
✓ located verbatim in the source · title, characters 70–75

Title

The impact of chlorsulfuron and diclofop-methyl on nutrient uptake by wheat.

LD Osborne; AD Robson; DG Bowran Australian Journal of Agricultural Research 1993. doi:10.1071/ar9931757

Other claims from this paper (11)

Intervention effect Chlorsulfuron decreased wheat shoot and root weights and root length in glasshouse experiments.
Intervention effect Chlorsulfuron decreased phosphorus uptake, particularly with low phosphorus supply.
Intervention effect Chlorsulfuron decreased potassium uptake.
Intervention effect Nitrogen, calcium and magnesium uptake was unaffected.
Intervention effect Field chlorsulfuron reduced shoot element concentrations during early growth by up to 30%.
Observation The reduction in shoot element concentrations faded as wheat aged.
Association Kulin was more sensitive to chlorsulfuron than Reeves.
Intervention effect Diclofop-methyl had little effect on shoot nutrient concentrations.
Intervention effect Diclofop-methyl reduced zinc and copper concentrations during vegetative growth.
Intervention effect Diclofop-methyl reduced copper concentration in mature Kulin grain.
Intervention effect Herbicides reduced uptake of diffusion-moved nutrients more than mass-flow nutrients.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

A 50% grain yield decrease occurred at about 72 mM NaCl with 0.2 x HS.

Taxon: wheatTriticum aestivumt0
Outcome: grain yield decreasee0
Direction: decreasee0
Value: 72e0

Verbatim

e0
“The salinity level associated with a 50% grain yield decrease was about 84, 72, and 31 mM NaCl for 1,0.2, and 0.04 × HS, respectively.”
✓ located verbatim in the source · abstract, characters 1065–1199

t0
“wheat”
✓ located verbatim in the source · title, characters 59–64

Title

Interactive effects of salinity and macronutrient level on wheat. I. Growth

Y. Hu; J. J. Oertli; U. Schmidhalter Journal of Plant Nutrition 1997. doi:10.1080/01904169709365324

Other claims from this paper (16)

Intervention effect Main spike grain yield decreased slightly at 1 x HS under low to medium salinity.
Intervention effect Main spike grain yield decreased slightly at 0.2 x HS under low to medium salinity.
Intervention effect Main stem grain yield decreased more at 0.04 x HS.
Intervention effect High salinity caused larger decreases in main stem grain yield.
Observation High-salinity yield loss was more marked at 0.2 than 1 x HS.
Intervention effect Increasing salinity strongly decreased plant yield components other than thousand grain weight.
Observation A 50% grain yield decrease occurred at about 84 mM NaCl with 1 x HS.
Observation A 50% grain yield decrease occurred at about 31 mM NaCl with 0.04 x HS.
Observation Salt tolerance was higher at full macronutrient concentration.
Association Grain yield declines were closely related to declining leaf number.
Association Grain yield declines were closely related to declining tiller number.
Mechanism The authors infer salinity mainly affects early growth stages.
Recommendation The authors recommend increasing nutrient supply in nutrient-poor saline soils.
Recommendation The authors recommend salt elimination around roots during early wheat development.
Recommendation The authors recommend increasing main stem density by seeding more densely.
Recommendation Early salt elimination and increased seeding density were expected to raise yield more than added nutrients at moderate and sufficient nutrient levels.

Intervention effectauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Reducing plant density to save water may decrease rather than increase wheat yield under water-limited conditions.

Taxon: wheatTriticum aestivume1
Treatment: reducing the densitye1
Outcome: wheat yielde1
Direction: decreasee1

Not reportedComparator

Verbatim

e1
“reducing the density of palnts to reduce water use may decrease rather than increase wheat yield under water limited conditions”
✓ located verbatim in the source · abstract, characters 1397–1524

Title

Plant Spacing, Density, and Yield of Wheat Subjected to Postanthesis Water Deficits

Neil C. Turner; Praphan Prasertsak; Timothy L. Setter Crop Science 1994. doi:10.2135/cropsci1994.0011183x003400030026x

Other claims from this paper (8)

Intervention effect Uneven machine planting reduced wheat yield by 20% compared with evenly spaced plants under postanthesis water deficits.
Intervention effect Yield of irrigated wheat was not reduced by uneven planting.
Intervention effect Wheat at high densities developed lower leaf and ear water potentials than at low densities during postanthesis water deficits.
Intervention effect The greater postanthesis water deficits did not reduce wheat yields.
Intervention effect Grain yields at 25 and 50 plants per square meter were lower than at 200 plants per square meter when postanthesis water deficits developed.
Intervention effect Later-formed tillers, produced only at low densities, had smaller thousand-grain weights than the mainstem and first tiller under water deficit.
Observation Anthesis was delayed by up to 20 days in later-formed tillers of wheat.
Observation Grain fill occurred at low leaf and ear water potentials in wheat.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Fruit yield of acid lime was closely associated with the decrease in chlorosis (r = 0.939).

Taxon: Acid Limet0
Treatment: decrease in chlorosise3
Outcome: Fruit yielde3
Value: r = 0.939e3

Not reportedDirection

Verbatim

t0
“Acid Lime”
✓ located verbatim in the source · title, characters 71–80

e3
“Fruit yield was closely associated with the decrease in chlorosis (r = 0.939**)”
✓ located verbatim in the source · abstract, characters 369–448

Title

Effect of Foliar Spray of Iron and Sulphur on Fruit Yield of Chlorotic Acid Lime

P. C. Patel; Patel; N. K. Kalyanasundaram Journal of the Indian Society of Soil Science 1997

Other claims from this paper (4)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

A 50% grain yield decrease occurred at about 31 mM NaCl with 0.04 x HS.

Taxon: wheatTriticum aestivumt0
Outcome: grain yield decreasee0
Direction: decreasee0
Value: 31 mM NaCle0

Verbatim

e0
“The salinity level associated with a 50% grain yield decrease was about 84, 72, and 31 mM NaCl for 1,0.2, and 0.04 × HS, respectively.”
✓ located verbatim in the source · abstract, characters 1065–1199

t0
“wheat”
✓ located verbatim in the source · title, characters 59–64

Title

Interactive effects of salinity and macronutrient level on wheat. I. Growth

Y. Hu; J. J. Oertli; U. Schmidhalter Journal of Plant Nutrition 1997. doi:10.1080/01904169709365324

Other claims from this paper (16)

Intervention effect Main spike grain yield decreased slightly at 1 x HS under low to medium salinity.
Intervention effect Main spike grain yield decreased slightly at 0.2 x HS under low to medium salinity.
Intervention effect Main stem grain yield decreased more at 0.04 x HS.
Intervention effect High salinity caused larger decreases in main stem grain yield.
Observation High-salinity yield loss was more marked at 0.2 than 1 x HS.
Intervention effect Increasing salinity strongly decreased plant yield components other than thousand grain weight.
Observation A 50% grain yield decrease occurred at about 84 mM NaCl with 1 x HS.
Observation A 50% grain yield decrease occurred at about 72 mM NaCl with 0.2 x HS.
Observation Salt tolerance was higher at full macronutrient concentration.
Association Grain yield declines were closely related to declining leaf number.
Association Grain yield declines were closely related to declining tiller number.
Mechanism The authors infer salinity mainly affects early growth stages.
Recommendation The authors recommend increasing nutrient supply in nutrient-poor saline soils.
Recommendation The authors recommend salt elimination around roots during early wheat development.
Recommendation The authors recommend increasing main stem density by seeding more densely.
Recommendation Early salt elimination and increased seeding density were expected to raise yield more than added nutrients at moderate and sufficient nutrient levels.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Improper N, P and K application could decrease grain yield.

Taxon: RiceOryza sativat0
Treatment: Improper application of nitrogen, phosphorus and potassiume0
Outcome: grain yielde0
Direction: decreasee0

Not reportedMaterialComparator

Verbatim

e0
“Improper application of nitrogen, phosphorus and potassium could affect the nutrient contents and decrease the grain yield.”
✓ located verbatim in the source · abstract, characters 994–1117

t0
“Rice Plants”
✓ located verbatim in the source · title, characters 53–64

Title

Effect of Cultural Measures on Nutrient Contellts in Rice Plants with Erect Panicles

Bolun Wang; Xinan Liu; Guirui Yu; et al. Pedosphere 1999

Other claims from this paper (7)

Association Rice nutrient contents varied with treatment factors.
Method / resource A multiple quadratic equation could simulate the nutrient-content relationship with treatments.
Recommendation A target nutrient-content range for rice producing at least 11 t ha-1 was specified as μj±1.99σj.
Observation Rice leaves were sensitive to nutrient elements.
Intervention effect Heavy nitrogen dressing increased rice nitrogen content.
Intervention effect Sparse transplanting increased rice nitrogen content.
Intervention effect Improper N, P and K application affected plant nutrient contents.

Associationobservedreview summaryno effectbasis n/a

Claim · model-written summary

Increased IVDMD generally does not decrease forage yield.

Taxon: Foraget0
Treatment: increased IVDMDe6
Outcome: forage yielde6
Direction: no_changeinferrede6

Verbatim

e6
“Because increased IVDMD generally does not decrease forage yield per se”
✓ located verbatim in the source · abstract, characters 1207–1278

t0
“Breeding for Increased Forage Nutritional Value”
✓ located verbatim in the source · title, characters 32–79

Title

Accomplishments and Impact from Breeding for Increased Forage Nutritional Value

M. D. Casler; K. P. Vogel Crop Science 1999. doi:10.2135/cropsci1999.0011183x003900010003x

Other claims from this paper (8)

“yield decrease”

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