Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Water deficit significantly decreased yield, most in alfalfa monoculture.

Taxon: alfalfaMedicago sativae0
Treatment: Water deficite0
Outcome: yielde0
Direction: decreasee0
Qualifier: monoculturee0

Not reportedComparator

Verbatim

e0
“Water deficit caused a significant yield decrease, the biggest in alfalfa in monoculture.”
✓ located verbatim in the source · abstract, characters 775–864

Title

Changes in nutritive value of alfalfa (Medicago × varia T. Martyn) and Festulolium (Festulolium braunii (K. Richt) A. Camus) under drought stress

M. Staniak; E. Harasim Journal of Agronomy and Crop Science 2018. doi:10.1111/jac.12271

Other claims from this paper (8)

Observation Drought had a smaller effect on food value than on yield in alfalfa and Festulolium.
Intervention effect Drought significantly reduced crude fibre content.
Intervention effect Crude protein content tended to increase under drought.
Intervention effect Crude fat content tended to increase under drought.
Observation The effect of drought on water-soluble carbohydrate content was undetermined.
Association Nutrient content varied by species.
Intervention effect Adding alfalfa to a Festulolium mixture significantly increased yield.
Intervention effect Adding alfalfa to a Festulolium mixture improved dry matter nutritional value.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Row sowing at 15 cm reduced soybean yield significantly.

Taxon: soybeanGlycine maxt0
Treatment: row sowing method of 15 cme0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“a significant decrease in yield was noted with row sowing method of 15 cm and wide-row sowing method of 60 cm”
✓ located verbatim in the source · abstract, characters 1126–1235

t0
“soybean varieties”
✓ located verbatim in the source · title, characters 12–29

Title

Reaction of soybean varieties of Amur selection to seeding rate and sowing method

Wei Ran; Olga A. Selikhova Far Eastern Agrarian Herald 2024. doi:10.22450/1999-6837-2024-18-2-17-27

Other claims from this paper (8)

Intervention effect Low seeding rate reduced soybean yield significantly.
Intervention effect High seeding rate reduced soybean yield significantly.
Intervention effect Wide-row sowing at 60 cm reduced soybean yield significantly.
Observation A seeding rate of 550 thousand units/ha gave soybean yields of 2,42–2,78 t/ha under favorable conditions.
Observation A seeding rate of 400 thousand units/ha gave soybean yields of 2,15–2,60 t/ha.
Observation Row spacing of 45 cm gave soybean yields of 2,26–2,70 t/ha.
Observation Row spacing of 30 cm gave soybean yields of 2,16–2,68 t/ha.
Recommendation The authors advise against row cultivation with low and high seeding rates.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Drought stress significantly reduced grain protein yield.

Taxon: durum wheatTriticum turgidum subsp. durumt0
Treatment: Drought stresse0
Outcome: grain protein yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Drought stress caused a significant increase on grain protein percentage but had a significant decrease on grain protein yield.”
✓ located verbatim in the source · abstract, characters 1371–1498

t0
“durum wheat”
✓ located verbatim in the source · title, characters 74–85

Title

Effects of late-season water stress on seed quality and growth indices of durum wheat at different seed densities

Javad Hasanpour; Mostafa Panahi; K. Arabsalmani; et al. International journal of agriscience. 2012

Other claims from this paper (14)

Intervention effect Light water stress reduced grain yield by 8.6% against non-stress treatment.
Intervention effect Severe water stress reduced grain yield by 16.2% against non-stress treatment.
Intervention effect Drought stress increased grain protein percentage significantly.
Intervention effect Leaf proline content increased under both stress treatments.
Intervention effect Increasing density from 350 to 450 plants per m 2 improved yield and yield components.
Observation The highest grain yield was 7212 kg/hac at density 450 plants per m 2.
Observation Grain yield fell at density 550 plants per m2, with the least yield at 350 plants per m2.
Intervention effect Density did not significantly affect grain protein percentage.
Intervention effect Density significantly affected grain protein yield, with direction unstated.
Intervention effect Light stress most strongly affected TKW and fertile spike number.
Intervention effect Severe stress affected grains per spike, biological yield and green leaf duration.
Observation Irrigation and density affected LAI, CGR and NAR.
Intervention effect Stress caused earlier leaf defoliation and shortened leaf area duration.
Intervention effect Density significantly affected the magnitude and timing of maximum LAI and CGR.

Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

The shoot growth decrease threshold for most cultivars was between 0.06 and 0.10 ppm.

Taxon: spinachSpinacia oleraceae0
Outcome: shoot growthe0
Direction: decreasee0
Value: between 0.06 and 0.10 ppme0

Verbatim

e0
“The threshold for a significant decrease in shoot growth of most spinach cultivars was between 0.06 and 0.10 ppm.”
✓ located verbatim in the source · abstract, characters 1011–1124

Title

Injury and Yield Responses of Spinach Cultivars to Chronic Doses of Ozone in Open‐Top Field Chambers

A. S. Heagle; R. B. Philbeck; M. B. Letchworth Journal of Environmental Quality 1979. doi:10.2134/jeq1979.00472425000800030021x

Other claims from this paper (9)

Observation Eleven cultivars differed significantly in ozone-associated foliar injury and shoot growth decrease.
Observation America, Winter Bloomsdale and Seven-R had less foliar injury than Chesapeake, Hybrid-612 and Dixie Market.
Observation America and Viroflay had less shoot growth effect than most cultivars.
Observation Hybrid-612 and Dark Green Bloomsdale had more shoot growth effect than most cultivars.
Observation The foliar injury threshold was between 0.02 and 0.06 ppm mean ozone.
Intervention effect Ground-grown spinach at 0.06 ppm had 18% less shoot fresh weight than at 0.02 ppm.
Intervention effect Ground-grown spinach at 0.10 ppm had 37% less shoot fresh weight than at 0.02 ppm.
Intervention effect Ground-grown spinach at 0.13 ppm had 69% less shoot fresh weight than at 0.02 ppm.
Observation Potted spinach showed comparative shoot fresh weight reductions of 4, 25 and 65% across the reported ozone doses.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing Ranunculus density significantly reduced wheat yield.

Taxon: WheatTriticum aestivumt0
Interactor: Ranunculus spp.Ranunculuse0weed
Outcome: yielde0
Direction: decreasee0

Verbatim

e0
“wheat growth and yield was significantly influenced by Ranunculus spp. densities, and increasing densities showed a corresponding decrease in yield”
✓ located verbatim in the source · abstract, characters 340–487

t0
“Wheat (Triticum aestivum L.)”
✓ located verbatim in the source · title, characters 15–43

Title

Performance of Wheat (Triticum aestivum L.) as Affected by Different Densities of Ranunculus spp. under Temperate Conditions of Kashmir Valley, India

Razia Gull; M. Anwar Bhat; Tahir A. Sheikh; et al. Journal of Scientific Research and Reports 2024. doi:10.9734/jsrr/2024/v30i122652

Other claims from this paper (12)

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

PAN8420 yield decreased over 10% under S-metolachlor 1x on clay soil.

Taxon: PAN8420e0
Outcome: yielde0
Direction: decreasee0
Value: >10%e0

Verbatim

e0
“PAN8420 showed a significant decrease in yield of >10% where S-metolachlor was applied at the 1x rate in the second planting during 2008/09 on clay soil”
✓ located verbatim in the source · abstract, characters 1211–1363

Title

Effect of chloroacetamide herbicides on the establishment, growth and yield of different sorghum cultivars

Elias Hugo; A.E.J. Saayman-Du Toit South African Journal of Plant and Soil 2011

Other claims from this paper (4)

Observation Herbicides significantly reduced seedling emergence.
Observation Visual phytotoxicity was higher in clay than sandy soil.
Observation S-metolachlor/terbuthylazine caused over 20% phytotoxicity on clay soil.
Observation S-metolachlor 2x and alachlor treatments reduced yield over 7% on sandy soil.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Yield was also reported to decrease significantly at 26250 and 29400 plants per faddan.

Taxon: SUGAR BEETBeta vulgaris subsp. vulgarist0
Treatment: 26250 and 29400 plants per faddane0
Outcome: yields of roots and sugar per faddane1
Direction: decreasede0
Qualifier: over the two seasonse0

Not reportedComparator

Verbatim

e0
“it decreased significantly when the plant population was recorded to 26250 and 29400 plants per faddan over the two seasons.”
✓ located verbatim in the source · abstract, characters 789–913

e1
“the yields of roots and sugar per faddan”
✓ located verbatim in the source · abstract, characters 653–693

t0
“SUGAR BEET”
✓ located verbatim in the source · title, characters 64–74

Title

EFFECT OF SOWING DATE AND PLANT DENSITY ON YIELD AND QUALITY OF SUGAR BEET

E. Nemeat Alla,; S. Zalat; A. Badr Journal of Plant Production 2007. doi:10.21608/jpp.2007.221127

Other claims from this paper (6)

Intervention effect October 10 sowing gave the highest significant root, top and sugar yields relative to November 25 sowing.
Intervention effect October 10 sowing gave the highest significant root size, sucrose and soluble-solids content.
Intervention effect Root and sugar yield were reported unaffected over a density range of 26250 to 52500 plants per faddan.
Intervention effect Increasing hill spacing from 16 to 32 cm increased root diameter and total soluble solids.
Intervention effect Increasing hill spacing decreased top yield and purity percentage.
Intervention effect Hill spacing of 16 or 20 cm gave the highest root and sugar yields.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

For upland rice under MC, HP had decrease P use efficiency of matter production than NP.

Taxon: upland riceOryza sativae0
Treatment: HPe0
Outcome: P use efficiency of matter productione0
Direction: decreasee0
Comparator: NPe0

Verbatim

e0
“There was a significant decrease in P use efficiency of matter production between HP and NP for the upland rice, but the grain yield and P accumulation at HP were lower than at NP, there was no significant difference in P use efficiency of matter production and P use efficiency of grain yield production between HP and NP for paddy rice.”
✓ located verbatim in the source · abstract, characters 963–1301

Title

Effects of Interaction between Phosphorus Nutrition and Cultivation Methods on Grain Yield and Phosphorus Utilization of Upland Rice and Paddy Rice

Zhang Ya ACTA AGRONOMICA SINICA 2011

Other claims from this paper (19)

Intervention effect upland rice grain yield increased with P level under DC.
Intervention effect upland rice P accumulation increased with P level under DC.
Intervention effect paddy rice grain yield increased with P level under DC.
Intervention effect paddy rice P accumulation increased with P level under DC.
Intervention effect upland rice showed decrease in P use efficiency of matter production as P increased under DC.
Intervention effect paddy rice showed no difference in P use efficiency of matter production as P increased under DC.
Intervention effect paddy rice showed no difference in P use efficiency of grain yield production as P increased under DC.
Intervention effect Under MC grain yield, P accumulation, and P use efficiency of grain yield production did not significantly differ among P levels.
Intervention effect For upland rice under MC, HP had lower grain yield than NP.
Intervention effect For upland rice under MC, HP had lower P accumulation than NP.
Intervention effect For paddy rice under MC, HP and NP did not differ significantly in either P use efficiency measure.
Intervention effect DC had less number of adventitious roots than MC in both rice types.
Intervention effect DC had lower P accumulation amount than MC in both rice types.
Intervention effect DC had higher P use efficiency of matter production than MC in both rice types.
Intervention effect DC had lower P use efficiency of grain yield production than MC in both rice types.
Intervention effect DC had lower grain yield than MC in both rice types.
Association DC reduced grain yield more in upland than in paddy rice.
Association Upland rice had less number of adventitious roots than paddy rice.
Association Upland rice had lower P accumulation amount than paddy rice.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Ear populations above the optimum led to a 7.5% significant yield reduction.

Taxon: spring wheatTriticum aestivume0
Treatment: population greater than thise2
Outcome: yielde2
Direction: decreaseinferrede2
Value: 7.5%e2
Qualifier: through a decrease in the number of grains per ear and in grain weighte2

Verbatim

e0
“Four trials with spring wheat over two seasons”
✓ located verbatim in the source · abstract, characters 0–46

e2
“A population greater than this led to a 7.5% significant yield reduction through a decrease in the number of grains per ear and in grain weight”
✓ located verbatim in the source · abstract, characters 367–510

Title

Effect of ear populations on wheat production in the Manawatu and Rangitikei

J. G. Hampton New Zealand Journal of Crop and Horticultural Science 1981. doi:10.1080/03015521.1981.10427828

Other claims from this paper (4)

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Higher seeding rate caused a significant decrease in 1000-grain weight to 42.9 g.

Taxon: WHEATTriticum aestivumt0
Treatment: seeding rate increasede0
Outcome: 1000-grain weighte0
Direction: decreasee0
Value: 42.9 ge0

Not reportedComparator

Verbatim

e0
“As seeding rate increased caused a significant increase in period to heading (90 days) and to maturity (138 days), number of spikes/m2 (522.1 spikes /m2 ) and straw yield (3.5 ton /fed.) and caused a significant decrease in plant height (89.6 cm), number of grains/spike (56.6 grains/spike), 1000-grain weight (42.9 g), grain yield (15.5 ardab/fed.) and also decrease in grain crude protein and total carbohydrate percen…” Show full quote
✓ located verbatim in the source · abstract, characters 1494–1948

t0
“WHEAT”
✓ located verbatim in the source · title, characters 99–104

Title

INFLUENCE OF SOME SEEDING AND NITROGEN RATES ON GRAIN YIELD AND INSECT NATURAL INFESTATION OF SOME WHEAT CULTIVARS

MOHAMED A. KHALED; ADEL M. EL-RAWY Egyptian Journal of Agricultural Research 2012. doi:10.21608/ejar.2012.162978

Other claims from this paper (19)

Observation Beni-Sweif 4 had longer period to heading, 89.5 days.
Observation Beni-Sweif 4 had longer to maturity, 140.5 days.
Observation Beni-Sweif 5 had the tallest plants at 101.2 cm.
Observation Beni-Sweif 5 had more spikes, 518.5 spikes/ m2.
Observation Sids 12 had more spikes, 516.1 spikes/ m2.
Observation Beni-Sweif 5 had the highest grain count per spike, 67.4.
Observation Beni-Sweif 4 had high 1000-grain weight of 48.6 g.
Observation Sids 12 had high grain yield of 16.3 ardab/fed.
Intervention effect Higher seeding rate caused a significant increase in period to heading to 90 days.
Intervention effect Higher seeding rate caused a significant increase in to maturity to 138 days.
Intervention effect Higher seeding rate caused a significant increase in number of spikes/m2 to 522.1 spikes /m2.
Intervention effect Higher seeding rate caused a significant increase in straw yield to 3.5 ton /fed..
Intervention effect Higher seeding rate caused a significant decrease in plant height to 89.6 cm.
Intervention effect Higher seeding rate caused a significant decrease in number of grains/spike to 56.6 grains/spike.
Intervention effect Higher seeding rate caused a significant decrease in grain yield to 15.5 ardab/fed..
Intervention effect Higher seeding rate caused a significant decrease in grain crude protein to 11.
Intervention effect Higher seeding rate caused a significant decrease in total carbohydrate percentages to 71.3%.
Observation Beni-Sweif 4 reduced cereal aphid counts to 62.1 per ten plants.
Recommendation The authors recommended Sids 12 or Beni-Sweif 4 at 300 grains/m2 and 90 KgN/fed for yield and low infestation.

“yield decrease”

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