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“yield decrease”

9,109 matches

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plus 16 earlier · 1910s–1930s

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Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Heat and salinity stress changed total soluble proteins (TSP), and free amino acids (FAA).

Taxon: wheatTriticum aestivume0
Treatment: HS and SSe0
Outcome: total soluble proteins (TSP), and free amino acids (FAA)e0
Direction: decreasinge0

Not reportedComparator

Verbatim

e0
“This study’s findings reveal that HS and SS caused a significant decrease in the growth and yield of wheat by increasing electrolyte leakage (EL), malondialdehyde (MDA), and hydrogen peroxide (H2O2) production; sodium (Na+) and chloride (Cl−) accumulation; and decreasing relative water content (RWC), chlorophyll and carotenoid content, total soluble proteins (TSP), and free amino acids (FAA), as well as nutrient upta…” Show full quote
✓ located verbatim in the source · abstract, characters 800–1270

Title

Silicon Induces Heat and Salinity Tolerance in Wheat by Increasing Antioxidant Activities, Photosynthetic Activity, Nutrient Homeostasis, and Osmo-Protectant Synthesis

Ansa Aouz; Imran Khan; Muhammad Bilal Chattha; et al. Plants 2023. doi:10.3390/plants12142606

Other claims from this paper (10)

Intervention effect Heat and salinity stress changed growth and yield.
Intervention effect Heat and salinity stress changed electrolyte leakage (EL), malondialdehyde (MDA), and hydrogen peroxide (H2O2) production.
Intervention effect Heat and salinity stress changed sodium (Na+) and chloride (Cl−) accumulation.
Intervention effect Heat and salinity stress changed relative water content (RWC), chlorophyll and carotenoid content.
Intervention effect Heat and salinity stress changed nutrient uptake (potassium, K; calcium, Ca; and magnesium, Mg).
Intervention effect Silicon application changed growth and yield under stress.
Intervention effect Silicon application changed chlorophyll and carotenoid contents, RWC, antioxidant activity under stress.
Intervention effect Silicon application changed TSP, FAA accumulation, and nutrient uptake (Ca, K, and Mg) under stress.
Intervention effect Silicon application changed EL, electrolyte leakage, MDA, and H2O2 under stress.
Intervention effect Silicon application changed uptake of Na+ and Cl− under stress.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Heat and salinity stress changed nutrient uptake (potassium, K; calcium, Ca; and magnesium, Mg).

Taxon: wheatTriticum aestivume0
Treatment: HS and SSe0
Outcome: nutrient uptake (potassium, K; calcium, Ca; and magnesium, Mg)e0
Direction: decreasinge0

Not reportedComparator

Verbatim

e0
“This study’s findings reveal that HS and SS caused a significant decrease in the growth and yield of wheat by increasing electrolyte leakage (EL), malondialdehyde (MDA), and hydrogen peroxide (H2O2) production; sodium (Na+) and chloride (Cl−) accumulation; and decreasing relative water content (RWC), chlorophyll and carotenoid content, total soluble proteins (TSP), and free amino acids (FAA), as well as nutrient upta…” Show full quote
✓ located verbatim in the source · abstract, characters 800–1270

Title

Silicon Induces Heat and Salinity Tolerance in Wheat by Increasing Antioxidant Activities, Photosynthetic Activity, Nutrient Homeostasis, and Osmo-Protectant Synthesis

Ansa Aouz; Imran Khan; Muhammad Bilal Chattha; et al. Plants 2023. doi:10.3390/plants12142606

Other claims from this paper (10)

Intervention effect Heat and salinity stress changed growth and yield.
Intervention effect Heat and salinity stress changed electrolyte leakage (EL), malondialdehyde (MDA), and hydrogen peroxide (H2O2) production.
Intervention effect Heat and salinity stress changed sodium (Na+) and chloride (Cl−) accumulation.
Intervention effect Heat and salinity stress changed relative water content (RWC), chlorophyll and carotenoid content.
Intervention effect Heat and salinity stress changed total soluble proteins (TSP), and free amino acids (FAA).
Intervention effect Silicon application changed growth and yield under stress.
Intervention effect Silicon application changed chlorophyll and carotenoid contents, RWC, antioxidant activity under stress.
Intervention effect Silicon application changed TSP, FAA accumulation, and nutrient uptake (Ca, K, and Mg) under stress.
Intervention effect Silicon application changed EL, electrolyte leakage, MDA, and H2O2 under stress.
Intervention effect Silicon application changed uptake of Na+ and Cl− under stress.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Camelina cumulative emergence ranged from 99.0 to 42.1% across salinity treatments.

Taxon: camelinaCamelinae0
Material: CS15e1
Treatment: Sulphate-based solutionse0
Outcome: cumulative emergencee0
Direction: decreaseinferrede0
Value: 99.0 to 42.1%e0
Qualifier: statistical differences only at the two highest salinity treatmentse0
Comparator: nutrients onlye0

Verbatim

e0
“Sulphate-based solutions averaging 1.4 (nutrients only), 3.0, 6.0, 10.0, 14.7, 19.9, and 27.0 dS m -1 in electrical conductivity (EC sol ) resulted in respective cumulative emergence of 99.0 to 42.1% for the camelina and 99.3 to 79.6% for the canola and showed statistical differences only at the two highest salinity treatments.”
✓ located verbatim in the source · abstract, characters 397–726

e1
“CS15 camelina”
✓ located verbatim in the source · abstract, characters 9–22

Title

Emergence, height, grain yield and oil content of camelina and canola grown in saline media

H. Steppuhn; K C Falk; R. Zhou Canadian Journal of Soil Science 2010. doi:10.4141/cjss09046

Other claims from this paper (7)

Intervention effect Canola cumulative emergence ranged from 99.3 to 79.6% across salinity treatments.
Intervention effect The height difference between camelina and canola increased from 16% to 60% as salinity rose.
Intervention effect Relative grain yields declined more in camelina than canola at every salinity level.
Observation Camelina's salinity tolerance index was 7.4, less than half canola's.
Observation Canola's salinity tolerance index was 18.0.
Intervention effect Canola oil content averaged 40% until salinity exceeded 20 dS/m, then declined.
Intervention effect Camelina oil content averaged 35% until 10 dS/m, then declined.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Phosphorus application increased P:Zn ratio, grain phytic acid content and PA:Zn molar ratio.

Taxon: riceOryza sativae0
Treatment: P application up to the highest level (80 kg P/ha)e0
Outcome: P : Zn ratio, grain phytic acid (PA) content and PA : Zn molar ratioe0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“Results showed significant increase in P : Zn ratio, grain phytic acid (PA) content and PA : Zn molar ratio with simultaneous decrease in Zn content and uptake by rice, Zn harvest index (Zn-HI), relative transfer of Zn from root to grain and also soil phosphatase activity (PA) in rice with P application up to the highest level (80 kg P/ha).”
✓ located verbatim in the source · abstract, characters 408–750

Title

Interaction effects of phosphorus and zinc on yield and nutritional quality of rice (Oryza sativa)

SUDESHNA MONDAL; GORA CHAND HAZRA; PABITRA KUMAR MANI; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v65i4.3001

Other claims from this paper (7)

Intervention effect Combined phosphorus and zinc application increased rice yield, highest with P80Zn10.
Intervention effect Phosphorus application decreased rice zinc content and uptake, zinc harvest index and root-to-grain zinc transfer.
Intervention effect Phosphorus application decreased soil phosphatase activity and availability of applied soil zinc.
Intervention effect Higher phosphorus rates reduced availability of applied zinc in soil.
Intervention effect Zinc application significantly increased zinc content and uptake by rice.
Intervention effect Zinc application reduced P:Zn ratio, grain phytic acid and PA:Zn ratio.
Intervention effect Zinc application enhanced zinc bioavailability in rice grains.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Reducing effective soil depth reduced sorghum 1000-grain weight by 11.97% in calcareous soil.

Taxon: SORGHUMSorghumt0
Treatment: reducing effective soil depths from deep to shallow water tablee0
Outcome: weight of 1000 graine0
Direction: decreasee0
Value: 11.97e0
Comparator: deepe0
Setting: calcareous soile0

Verbatim

e0
“reducing effective soil depths from deep to shallow water table led todecrease plant height, panicle length, weight of 1000 grain, grain proteincontent and yield by 32.48, 24.13, 11.64, 11.78, and 86.55% in the Nilealluvial soil vs 34.2, 18.19, 11.97, 16.51 and 86.18% in the calcareous soil,respectively”
✓ located verbatim in the source · abstract, characters 1292–1596

t0
“SORGHUM”
✓ located verbatim in the source · title, characters 54–61

Title

IMPACT OF SALINITY LEVELS AND EFFECTIVE SOIL DEPTH ON SORGHUM PLANTS GROWN IN SOME NILE ALLUVIAL AND CALCAREOUS SOILS UNDER EL FAYOUM CONDITIONS

Abdel Aty M. Ibrahim; Ibrahim M. El-Samnoudi; Taia A. Abdel Mageed Fayoum Journal of Agricultural Research and Development /Fayoum Journal of Agricultural Research and Development 2006. doi:10.21608/fjard.2006.197570

Other claims from this paper (19)

Intervention effect Increasing salinity from normal to saline soil reduced sorghum plant height by 36.98% in Nile alluvial soil.
Intervention effect Increasing salinity reduced sorghum panicle length by 32.27% in Nile alluvial soil.
Intervention effect Increasing salinity reduced sorghum 1000-grain weight by 20.45% in Nile alluvial soil.
Intervention effect Increasing salinity reduced sorghum grain protein content by 29.95% in Nile alluvial soil.
Intervention effect Increasing salinity reduced sorghum grain yield by 57.46% in Nile alluvial soil.
Intervention effect Increasing salinity reduced sorghum plant height by 36.76% in calcareous soil.
Intervention effect Increasing salinity reduced sorghum panicle length by 33.31% in calcareous soil.
Intervention effect Increasing salinity reduced sorghum 1000-grain weight by 24.05% in calcareous soil.
Intervention effect Increasing salinity reduced sorghum grain protein content by 33.75% in calcareous soil.
Intervention effect Increasing salinity reduced sorghum grain yield by 59.14% in calcareous soil.
Intervention effect Reducing effective soil depth reduced sorghum plant height by 32.48% in Nile alluvial soil.
Intervention effect Reducing effective soil depth reduced sorghum panicle length by 24.13% in Nile alluvial soil.
Intervention effect Reducing effective soil depth reduced sorghum 1000-grain weight by 11.64% in Nile alluvial soil.
Intervention effect Reducing effective soil depth reduced sorghum grain protein content by 11.78% in Nile alluvial soil.
Intervention effect Reducing effective soil depth reduced sorghum yield by 86.55% in Nile alluvial soil.
Intervention effect Reducing effective soil depth reduced sorghum plant height by 34.2% in calcareous soil.
Intervention effect Reducing effective soil depth reduced sorghum panicle length by 18.19% in calcareous soil.
Intervention effect Reducing effective soil depth reduced sorghum grain protein content by 16.51% in calcareous soil.
Intervention effect Reducing effective soil depth reduced sorghum yield by 86.18% in calcareous soil.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Suboptimal temperature and light reduced cucumber seedling net photosynthetic rate, stomatal conductance and carboxylation efficiency.

Taxon: cucumberCucumis sativuse1
Treatment: suboptimal temperature and light intensitye0
Outcome: net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE)e0
Direction: decreasede0
Comparator: normal temperature and light intensitye2

Verbatim

e0
“suboptimal temperature and light intensity decreased the net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE),apparent quantum yield(AQY)”
✓ located verbatim in the source · abstract, characters 322–488

e1
“suboptimal temperature and light intensity decreased the net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE),apparent quantum yield(AQY),actual photochemical efficiency of PSⅡ(ΦPSⅡ),photochemical quenching(qP),antenna transformation efficiency(Fv'/Fm'),and activities of RuBPCase and FDPase of cucumber seedlings,but increased the intercellular CO2 concentration(Ci)”
✓ located verbatim in the source · abstract, characters 322–718

e2
“compared with the normal temperature and light intensity,suboptimal temperature and light intensity led to significant decrease in the light compensation point(LCP)and CO2 compensation point(CCP)”
✓ located verbatim in the source · abstract, characters 731–926

Title

Effects of ALA on photosynthesis of cucumber seedlings under suboptimal temperature and light intensity.

Yumei Liu; Ai Xizhen; Xianchang Yu Acta Horticulturae Sinica 2010

Other claims from this paper (10)

Intervention effect Suboptimal conditions reduced apparent quantum yield and actual PSII photochemical efficiency.
Intervention effect Suboptimal conditions reduced photochemical quenching, antenna transformation efficiency, and RuBPCase and FDPase activities.
Intervention effect Suboptimal conditions increased intercellular CO2 concentration.
Intervention effect Suboptimal conditions significantly decreased light and CO2 compensation points.
Intervention effect ALA increased photosynthetic rate, stomatal conductance and carboxylation efficiency under suboptimal conditions.
Intervention effect ALA increased apparent quantum yield, actual PSII efficiency and photochemical quenching under suboptimal conditions.
Intervention effect ALA increased antenna transformation efficiency and RuBPCase and FDPase activities under suboptimal conditions.
Intervention effect ALA decreased intercellular CO2 concentration and light and CO2 compensation points under suboptimal conditions.
Mechanism Authors inferred nonstomatal limitation was the main cause of decreased photosynthetic rate under suboptimal conditions.
Mechanism Authors interpreted ALA as alleviating adverse suboptimal-condition effects on seedling photosynthesis.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

At pH 4.3 the calcium and phosphorus percentages of Italian ryegrass dry weight were suppressed.

Taxon: Italian ryegrassLolium multiflorume1
Treatment: pH 4.3e2
Outcome: percent content of calcium and phosphorus on dry weight basise2
Direction: suppressede2

Not reportedComparator

Verbatim

e1
“Even Italian ryegrass, which is moderately tolerant to the acidity of soil, the yield showed decrease, when the pH in the culture solution was lowered to 4.3”
✓ located verbatim in the source · abstract, characters 213–370

e2
“At pH 4.3, the percent content of calcium and phosphorus on dry weight basis was suppressed”
✓ located verbatim in the source · abstract, characters 372–463

Title

Studies on the Relation between the Tolerance of Crops to Soil Acidity and That to Low pH : (15) The effects of aluminum, hydrogen ion, lime, magnecium, nitrate and nitrite of varying concentrations on the growth of Italian ryegrass and milk vetch.

Shugo CHAMURA Japanese Journal of Crop Science 1967. doi:10.1626/jcs.36.4_361

Other claims from this paper (19)

Intervention effect At pH 4.3 the yield of Italian ryegrass decreased.
Intervention effect At pH 4.3 the growth of milk vetch decreased markedly.
Intervention effect At pH 4.3 the calcium and potassium percentages of milk vetch were suppressed.
Intervention effect Raising the pH of milk vetch culture from 5.3 to 6.3 decreased its yield; the inorganic matter percentage was also decreased.
Intervention effect Aluminum at 0.5 ppm inhibited the growth of milk vetch.
Intervention effect The same aluminum concentration promoted the growth of Italian ryegrass.
Intervention effect Aluminum at 5 ppm severely suppressed the dry weight percentage of phosphorus in both forage crops and strongly reduced their growth.
Observation The dry weight percentages of calcium, potassium and magnesium were suppressed in milk vetch.
Intervention effect A low concentration of both lime and magnesium was highly injurious to plant growth.
Observation The optimum calcium concentration in the culture solution was higher for milk vetch than for Italian ryegrass.
Intervention effect Increasing lime in the nutrient solution increased calcium percentage in the top of the plants.
Intervention effect Raising lime from low to standard level increased potassium percentage.
Intervention effect Lowering lime and magnesium together greatly increased the potassium percentage of Italian ryegrass.
Observation The optimum magnesium concentration in the culture solution was lower for milk vetch than for Italian ryegrass.
Intervention effect At low magnesium concentration, calcium percentage of milk vetch increased.
Intervention effect Raising magnesium from standard to high level decreased phosphorus and potassium percentages.
Intervention effect Increasing nitrate decreased the yield of milk vetch markedly, with a decrease in leaf-blade starch.
Intervention effect Nitrite nitrogen at 2 ppm was injurious to the growth of milk vetch.
Intervention effect The same nitrite concentration promoted the growth of Italian ryegrass.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing variation of maize plant spacing decreased leaf area and relative chlorophyll content of the index leaf at silking, regardless of N rate.

Taxon: maizeZea mayse0
Organ / stage: index leafe1
Treatment: VC of plant spatial distributione1
Outcome: leaf area and the relative chlorophyll contente1
Direction: decreasede1
Setting: Lages, Santa Catarina State, South Brazile4

Not reportedComparator

Verbatim

e0
“An uneven distribution of maize plants at the sowing row can decrease grain yield”
✓ located verbatim in the source · abstract, characters 0–81

e1
“The increase in VC of plant spatial distribution decreased the leaf area and the relative chlorophyll content of the index leaf at silking, regardless of the nitrogen rate”
✓ located verbatim in the source · abstract, characters 729–900

e4
“The experiment was conducted in Lages, Santa Catarina State, South Brazil”
✓ located verbatim in the source · abstract, characters 283–356

Title

Can an increase in nitrogen rate mitigate damages caused by uneven spatial distribution of maize plants at the sowing row?

Daniel Fernando Kolling; Luís Sangoi; Lucieli Santini Leolato; et al. Acta Scientiarum Agronomy 2019. doi:10.4025/actasciagron.v41i1.39874

Other claims from this paper (2)

Intervention effect Increasing variation of seed placement from 0 to 100% decreased kernel number per ear and grain yield in maize.
Intervention effect Increasing the N rate was not an efficient strategy for preventing maize yield losses caused by irregular plant spacing.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf reducing vitamin C increased in autumn.

Taxon: Jerusalem artichokeHelianthus tuberosust0
Organ / stage: leavese0
Outcome: vitamin C (reducing type)e0
Direction: increasede0

Verbatim

e0
“Content of vitamin C (reducing type) in leaves was large at the early stage of growth.In summer, this showed a decrease, but increased again in autumn”
✓ located verbatim in the source · abstract, characters 1319–1469

e1
“More ether extract was found in leaves than in stems. In leaves, it showed a slight increase in summer, but in stems it was almost constant throughout the perind of growth. (6) More crude fiber existed in stems than in leaves. In leaves, little changes were seen throughout the period of growth”
✓ located verbatim in the source · abstract, characters 871–1165

t0
“Jerusalem artichoke”
✓ located verbatim in the source · title, characters 46–65

Title

Studies on the nutritive yield of green-mowed Jerusalem artichoke : Part 2. Seasonal changes of nutrient components in leaves and stems (continued)

Hiromi CHIBA; Kunio KAGAWA Japanese Journal of Crop Science 1954. doi:10.1626/jcs.22.3-4_123

Other claims from this paper (16)

Observation Leaf moisture exceeded stem moisture except at the start of growth.
Observation At the beginning of growth, stem moisture exceeded leaf moisture.
Observation Leaf crude ash percentage exceeded that in stems.
Observation Leaf crude ash peaked in summer and then decreased.
Observation Stem crude ash was abundant early and then decreased.
Observation Stem lime content tracked crude ash.
Observation Phosphate content decreased gradually in leaves and stems.
Observation The early growth Ca ratio of leaves to stems was 2.0-2.5.
Observation Leaf ether extract exceeded stem ether extract.
Observation Leaf ether extract increased slightly in summer.
Observation Stem ether extract stayed almost constant across growth.
Observation Stem crude fiber exceeded leaf crude fiber.
Observation Leaf crude fiber varied little during growth.
Observation Stem crude fiber decreased temporarily and rose again after summer.
Observation Leaf reducing vitamin C declined in summer.
Observation Reducing vitamin C was half of total vitamin C.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

WUE of wheat was 0.91 kg.m-3 under drought stress from anthesis to ripening (I3), lower than under control.

Taxon: wheatTriticum aestivume0
Treatment: I3 - drought stress at the start of anthesis stagee2
Outcome: WUE meane1
Direction: decreaseinferrede1
Value: 0.91e1
Qualifier: WUE mean was 1.27 kg.m-3e1
Comparator: control (I1)e1

Verbatim

e0
“For the purpose of studying the effects of water deficit stress on yield and water use efficiency of three wheat cultivars under field condition, an experiment was initiated in Research Farm of Islamic Azad University located in Kermanshah/Iran during 2010-2011”
✓ located verbatim in the source · abstract, characters 0–261

e1
“Under control (I1) conditions, WUE mean was 1.27 kg.m-3 for all cultivars, but equal to 1.11, 0.91 and 0.73 kg.m-3 for stress treatments I2, I3, and I4, respectively”
✓ located verbatim in the source · abstract, characters 1310–1475

e2
“I3 - drought stress at the start of anthesis stage(56 Zadoks) through the ripening stage”
✓ located verbatim in the source · abstract, characters 710–798

Title

Effect of different irrigation regimes on yield and water use efficiency ofwinter wheat

Keyvan Shamsi; Soheil Kobraee Annals of biological research 2013

Other claims from this paper (9)

Intervention effect Grain yield, biological yield and harvest index decreased with increasing drought stress in wheat.
Intervention effect Water use efficiency of wheat decreased with increasing drought stress.
Intervention effect Evapotranspiration efficiency of wheat increased with increasing drought stress.
Intervention effect WUE of wheat was 1.11 kg.m-3 under drought stress from anthesis to grain filling (I2), lower than under control.
Intervention effect WUE of wheat was 0.73 kg.m-3 under drought stress from grain filling to ripening (I4), lower than under control.
Association Roshan-Back Cross had the highest harvest index and WUE under well-watering.
Association Mrvdasht had the lowest harvest index and WUE under well-watering.
Association Roshan-Back Cross had higher yield stability than the other cultivars.
Association Roshan-Back Cross had a smaller yield reduction under stress than the other cultivars.

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“yield decrease”

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