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“yield decrease”

3,173 matches

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plus 620 non-evaluative

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1950 ’60 ’70 ’80 ’90 2000 ’10 ’20

plus 31 earlier · 1910s–1940s

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Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Zinc and boron increased leaf SOD, POD and CAT activities.

Taxon: balsam pearMomordica charantiae0
Treatment: Zn and Be1
Outcome: superoxide dismutase (SOD), peroxidase (POD) and catalase(CAT) activitiese1
Direction: increasee1

Not reportedComparator

Verbatim

e0
“application of ZnSO4.7H2O and Na2B4o7.10H2O on Zn and B deficient soils could increase balsam pear yield and its contents of protein, Vc and 17 sorts of amino acids, especially the contents of essential amino acids for human body, but decrease the NO3(-)-N content”
✓ located verbatim in the source · abstract, characters 211–475

e1
“The reason was that Zn and B could increase polyamines (PAs), putrescine (Put), spermidine (Spd), spermine (Spm), indole acetic acid (IAA), gibberellic acid (GA3) and ascorbic acid (ASA) contents and superoxide dismutase (SOD), peroxidase (POD) and catalase(CAT) activities, and reduce malondialdehyde (MDA), abscisic acid (ABA) contents in leaves”
✓ located verbatim in the source · abstract, characters 477–824

Title

[Effects of zinc and boron nutrition on balsam pear (Momordica charantia) yield and quality, and polyamines, hormone, and senescence of its leaves].

Mutian Shi; Rukai Cheng PubMed 2004

Other claims from this paper (11)

Intervention effect Zinc and boron application on deficient soils increased balsam pear yield.
Intervention effect Zinc and boron application increased protein, vitamin C and amino acid contents of balsam pear.
Intervention effect Zinc and boron application decreased NO3(-)-N content of balsam pear.
Intervention effect Zinc and boron increased polyamines (PAs), putrescine and spermidine in leaves.
Intervention effect Zinc and boron increased spermine, indole acetic acid and gibberellic acid in leaves.
Intervention effect Zinc and boron increased ascorbic acid content in leaves.
Intervention effect Zinc and boron reduced malondialdehyde and abscisic acid contents in leaves.
Association Yields were positively correlated with PAs, Put, Spd, Spm, GA3, SOD, POD and CAT.
Association MDA and ABA contents were negatively correlated with yield-related variables in leaves.
Association MDA was positively correlated with ABA.
Association MDA and ABA were negatively correlated with PAs, Put, Spd, Spm, IAA, GA3 and ASA.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cold conditions reduced seed starch, protein, fat and crude fibre accumulation, more in the macrocarpa type.

Taxon: ChickpeaCicer arietinume0
Treatment: cold conditions of the fielde2
Outcome: accumulation of starch, proteins, fats, crude fibree1
Direction: reductione1
Comparator: warm conditions (control)e3

Verbatim

e0
“Chickpea is sensitive to cold conditions”
✓ located verbatim in the source · abstract, characters 9–49

e1
“The stressed seeds of both the chickpea types experienced marked reduction in the accumulation of starch, proteins, fats, crude fibre, protein fractions (albumins, globulins, prolamins and glutelins) with a larger decrease in the macrocarpa type”
✓ located verbatim in the source · abstract, characters 1627–1872

e2
“was subjected to cold conditions of the field”
✓ located verbatim in the source · abstract, characters 968–1013

e3
“another set was maintained under warm conditions (control)”
✓ located verbatim in the source · abstract, characters 1076–1134

Title

Low Temperature Effects during Seed Filling on Chickpea Genotypes (Cicer arietinum L.): Probing Mechanisms affecting Seed Reserves and Yield

H. Nayyar; G. Kaur; S. Kumar; et al. Journal of Agronomy and Crop Science 2007. doi:10.1111/j.1439-037x.2007.00269.x

Other claims from this paper (14)

Intervention effect Chilling increased electrolyte leakage in chickpea leaves during seed filling.
Intervention effect Chilling caused loss of chlorophyll in chickpea leaves during seed filling.
Intervention effect Chilling decreased sucrose content in chickpea leaves during seed filling.
Intervention effect Chilling reduced leaf water status in chickpea, more in the macrocarpa type.
Intervention effect Cold conditions decreased total plant weight of chickpea to the same level in both types.
Intervention effect Cold conditions decreased seed size, seed weight and pods per plant, most in the macrocarpa chickpea type.
Intervention effect Cold conditions decreased the rate and duration of seed filling in the macrocarpa chickpea type.
Intervention effect Cold conditions decreased harvest index in the macrocarpa chickpea type.
Intervention effect Cold conditions reduced seed protein fraction accumulation.
Intervention effect Chilling decreased sucrose accumulation in chickpea seeds.
Intervention effect Chilling decreased seed starch synthase, sucrose synthase and invertase activity levels.
Intervention effect Cold conditions lowered calcium, phosphorus and iron in stressed chickpea seeds.
Intervention effect Cold conditions lowered phenylalanine, tyrosine and threonine in stressed chickpea seeds.
Intervention effect Cold conditions lowered tryptophan, valine and histidine in stressed chickpea seeds.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 75 to 25 ratio increased Vc, amino acid and Zn concentration.

Taxon: Greengroceryt0
Treatment: ratio of basal application to top dressing of 75 to 25 in equal ASN+DMPP rate (1 kg soil 0.5 g N)e0
Outcome: Vc, amino acid, Zne0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“the ratio of basal application to top dressing of 75 to 25 in equal ASN+DMPP rate (1 kg soil 0.5 g N) could not only increase vegetable yield, decrease nitrate concentration,but also increase Vc, amino acid, Zn, N and K concentration”
✓ located verbatim in the source · abstract, characters 359–592

t0
“Greengrocery”
✓ located verbatim in the source · title, characters 160–172

Title

Effects of Different Ratios of Basal Application to Top Dressing of Ammonium Sulphate Nitrate (ASN) Fertilizer with DMPP on Nitrate Accumulation and Quality of Greengrocery

Chao Xu Bulletin of Science and Technology 2004

Other claims from this paper (4)

Intervention effect The 75 to 25 fertilizer ratio increased vegetable yield.
Intervention effect The 75 to 25 ratio decreased nitrate concentration.
Intervention effect The 75 to 25 ratio increased N and K concentration.
Intervention effect The ratio improved vegetable nutritional quality.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves

Taxon: hybrid riceOryza sativat0 e1
Organ / stage: leavese0 e1
Treatment: light water stresse0 e1
Outcome: Pne0 e1
Direction: decreasede0 e1

Not reportedComparator

Verbatim

e0
“in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves”
✓ located verbatim in the source · abstract, characters 275–409

e1
“However,in severe water stress and followed by continuing water stress,Pn decreaded rapidly,the content ROS and the activity of SOD were higher than in light water stress,but at the 7～9 days the activity of SOD began to decrease”
✓ located verbatim in the source · abstract, characters 410–638

t0
“hybrid rice”
✓ located verbatim in the source · title, characters 64–75

Title

Effect of water stress on photosynthesis and yield character of hybrid rice at different stages

Guotao Yang Ganhan diqu nongye yanjiu 2008

Other claims from this paper (11)

Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in severe water stress and followed by continuing water stress,Pn decreaded rapidly
Intervention effect the content ROS and the activity of SOD were higher than in light water stress
Intervention effect at the 7～9 days the activity of SOD began to decrease
Intervention effect After harvest,the magnitude of yield treated with different water stress is summarized as: CKlightsevere
Observation the results showed 6 different protein bands
Intervention effect Followed by increasing water stress degree,the light of protein band increased gradually
Observation It also showed difference in two varieties
Observation The ability of resistance to water stress at three stages were summarized as: Booting stage flowering stagetillering stage
Observation B-You 827 had higher resistance to both light and severe water stress compared to Gangyou 725 at three stages

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves

Taxon: hybrid riceOryza sativat0 e1
Organ / stage: leavese0 e1
Treatment: light water stresse0 e1
Outcome: ROSe0 e1
Direction: accumulatede0 e1

Not reportedComparator

Verbatim

e0
“in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves”
✓ located verbatim in the source · abstract, characters 275–409

e1
“However,in severe water stress and followed by continuing water stress,Pn decreaded rapidly,the content ROS and the activity of SOD were higher than in light water stress,but at the 7～9 days the activity of SOD began to decrease”
✓ located verbatim in the source · abstract, characters 410–638

t0
“hybrid rice”
✓ located verbatim in the source · title, characters 64–75

Title

Effect of water stress on photosynthesis and yield character of hybrid rice at different stages

Guotao Yang Ganhan diqu nongye yanjiu 2008

Other claims from this paper (11)

Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in severe water stress and followed by continuing water stress,Pn decreaded rapidly
Intervention effect the content ROS and the activity of SOD were higher than in light water stress
Intervention effect at the 7～9 days the activity of SOD began to decrease
Intervention effect After harvest,the magnitude of yield treated with different water stress is summarized as: CKlightsevere
Observation the results showed 6 different protein bands
Intervention effect Followed by increasing water stress degree,the light of protein band increased gradually
Observation It also showed difference in two varieties
Observation The ability of resistance to water stress at three stages were summarized as: Booting stage flowering stagetillering stage
Observation B-You 827 had higher resistance to both light and severe water stress compared to Gangyou 725 at three stages

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Irrigation with 6.5 and 9.0 dS·m -1 reduced the rate of photosynthesis by 35%-38% after fruit set.

Taxon: bell pepperse0
Material: Red Nighte0
Treatment: irrigation with 6.5 and 9.0 dS·m -1e1
Outcome: rate of photosynthesise1
Direction: reducede1
Value: 35%-38%e1
Qualifier: until fruit sete1
Comparator: control treatmente1

Verbatim

e0
“bell peppers ( Capsicum annuum L. var. Red Night)”
✓ located verbatim in the source · abstract, characters 186–235

e1
“Salinity did not significantly decrease the rate of photosynthesis until fruit set after which irrigation with 6.5 and 9.0 dS·m -1 reduced rates by 35%-38% and during fruit development by 50% compared with the control treatment”
✓ located verbatim in the source · abstract, characters 300–527

Title

Effects of Saline Water and Two Types of Plastic Mulch on Physiology and Yield of Bell Pepper Plants

Dagobiet Morales-Garcia; Katrine A. Stewart HortScience 2004. doi:10.21273/hortsci.39.4.852c

Other claims from this paper (10)

Intervention effect Irrigation with 6.5 and 9.0 dS·m -1 reduced the rate of photosynthesis by 50% during fruit development.
Intervention effect Irrigation with 4.0 dS·m -1 gave significantly lower photosynthetic rates than the control during fruit development.
Association Stomatal conductance decreased as salinity increased.
Association Salinity affected transpiration through the change in stomatal conductance.
Intervention effect Photosynthesis, stomatal conductance and transpiration showed no consistent difference with or without plastic mulch.
Intervention effect Saline treatments reduced marketable yield by 17%, 64%, 96% and 100% compared with the control.
Intervention effect The number of fruit per plant was significantly lower at 4.0 dS·m -1 or higher salinity.
Intervention effect Plastic mulches did not significantly change marketable yield or fruit number compared with non-mulch.
Association Water consumption decreased as salinity level increased, by 11%, 20%, 38% and 52% of the control value.
Intervention effect Mulching the soil reduced water consumption by 30% compared with bare soil.

Intervention effectauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

A high nitrogen level (946.3 kg/hm2) declined the dry matter output to seed, attributed to an unharmonious correlation between storeroom and source.

Taxon: SoybeanGlycine maxt0
Treatment: high level of nitrogen(946.3 kg/hm2)e2
Outcome: dry matter outputting to seede3
Direction: declinee3
Qualifier: unharmonious correlation between the storeroom and sourcee3

Not reportedComparator

Verbatim

t0
“Effect of Nitrogen Fertilizer on Growth Tendency,Dry Matter Accumulation and Distribution in Soybean”
✓ located verbatim in the source · title, characters 0–100

e2
“The high level of nitrogen(946.3 kg/hm2) could accumulate more dry matter before maturation”
✓ located verbatim in the source · abstract, characters 552–643

e3
“which led to the unharmonious correlation between the storeroom and source, decline the dry matter outputting to seed, decrease the soybean yield”
✓ located verbatim in the source · abstract, characters 645–790

Title

Effect of Nitrogen Fertilizer on Growth Tendency,Dry Matter Accumulation and Distribution in Soybean

Feng Naijie Heilongjiang Bayi Nongken Daxue xuebao 2007

Other claims from this paper (5)

Intervention effect Nitrogen fertilizer increased LAI and whole growing-stage dry matter accumulation of soybean relative to N0.
Intervention effect A high nitrogen level (1435.4 kg/hm2) harmonized dry matter distribution to every soybean organ after pudding.
Intervention effect A high nitrogen level (1435.4 kg/hm2) increased soybean yield.
Intervention effect A high nitrogen level (946.3 kg/hm2) accumulated more dry matter before maturation.
Intervention effect A high nitrogen level (946.3 kg/hm2) decreased soybean yield.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hairy vetch no tillage and white clover partial tillage reduced soil loss by up to 90% versus winter fallow conventional tillage.

Taxon: CornZea mays subsp. mayse1
Treatment: hairy vetch-no tillage (HV-NT), white clover-partial tillage (WF-PT)e0
Outcome: amounts of soil lost by rainfall runoffe0
Direction: decreasede0
Value: 90%e0
Comparator: winter fallow with conventional tillage (WF-CT)e0

Verbatim

e0
“amounts of soil lost by rainfall runoff decreased as much as 90% by hairy vetch-no tillage (HV-NT), white clover-partial tillage (WF-PT) together with the decrease of rainfall runoff compared to winter fallow with conventional tillage (WF-CT)”
✓ located verbatim in the source · abstract, characters 550–792

e1
“Corn yield”
✓ located verbatim in the source · abstract, characters 876–886

Title

Effect of Cover Crop Hairy Vetch on Prevention of Soil Erosion and Reduction of Nitrogen Fertilization in Sloped Upland

Jong‐Ho Seo; Jong-Yeol Park; Duk-Young Song Korean Journal of Soil Science and Fertilizer 2005

Other claims from this paper (11)

Intervention effect The cover crop tillage treatments reduced weeds by 80-90%.
Intervention effect White clover partial tillage decreased corn yield because of competition for water and nutrients.
Intervention effect Hairy vetch no tillage increased corn yield against winter fallow conventional tillage regardless of weed control.
Intervention effect Hairy vetch and rye winter cover reduced soil erosion by up to 95% before corn sowing.
Intervention effect Hairy vetch no tillage reduced soil erosion during waxy corn growth by up to 98%.
Intervention effect Incorporating hairy vetch and rye green manure reduced soil erosion by up to 70%.
Intervention effect Hairy vetch green manure without nitrogen fertilizer raised waxy corn ear yield by 10%.
Intervention effect Hairy vetch no tillage with standard nitrogen fertilizer raised waxy corn ear yield by 20%.
Intervention effect Rye green manure lowered waxy corn ear yield without nitrogen fertilizer.
Intervention effect Hairy vetch no tillage lowered waxy corn ear yield without nitrogen fertilizer.
Recommendation The authors favor hairy vetch as a winter cover crop to reduce erosion and chemical nitrogen fertilizer together.

Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Zinc and boron increased spermine, indole acetic acid and gibberellic acid in leaves.

Taxon: balsam pearMomordica charantiae0
Treatment: Zn and Be1
Outcome: spermine (Spm), indole acetic acid (IAA), gibberellic acid (GA3)e1
Direction: increasee1

Not reportedComparator

Verbatim

e0
“application of ZnSO4.7H2O and Na2B4o7.10H2O on Zn and B deficient soils could increase balsam pear yield and its contents of protein, Vc and 17 sorts of amino acids, especially the contents of essential amino acids for human body, but decrease the NO3(-)-N content”
✓ located verbatim in the source · abstract, characters 211–475

e1
“The reason was that Zn and B could increase polyamines (PAs), putrescine (Put), spermidine (Spd), spermine (Spm), indole acetic acid (IAA), gibberellic acid (GA3) and ascorbic acid (ASA) contents and superoxide dismutase (SOD), peroxidase (POD) and catalase(CAT) activities, and reduce malondialdehyde (MDA), abscisic acid (ABA) contents in leaves”
✓ located verbatim in the source · abstract, characters 477–824

Title

[Effects of zinc and boron nutrition on balsam pear (Momordica charantia) yield and quality, and polyamines, hormone, and senescence of its leaves].

Mutian Shi; Rukai Cheng PubMed 2004

Other claims from this paper (11)

Intervention effect Zinc and boron application on deficient soils increased balsam pear yield.
Intervention effect Zinc and boron application increased protein, vitamin C and amino acid contents of balsam pear.
Intervention effect Zinc and boron application decreased NO3(-)-N content of balsam pear.
Intervention effect Zinc and boron increased polyamines (PAs), putrescine and spermidine in leaves.
Intervention effect Zinc and boron increased ascorbic acid content in leaves.
Intervention effect Zinc and boron increased leaf SOD, POD and CAT activities.
Intervention effect Zinc and boron reduced malondialdehyde and abscisic acid contents in leaves.
Association Yields were positively correlated with PAs, Put, Spd, Spm, GA3, SOD, POD and CAT.
Association MDA and ABA contents were negatively correlated with yield-related variables in leaves.
Association MDA was positively correlated with ABA.
Association MDA and ABA were negatively correlated with PAs, Put, Spd, Spm, IAA, GA3 and ASA.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salinity adversely affected all characters of the wheat genotypes relative to control (2 dSm-1) irrigation water.

Taxon: wheatTriticum aestivume0
Material: salt tolerant wheat genotypese0
Treatment: irrigation water salinitye0
Outcome: all characterse1
Direction: decreaseinferrede1
Comparator: control (2 dSm-1)e0
Setting: shade house conditionse2

Verbatim

e0
“Thirteen salt tolerant wheat genotypes along with local cultivar, WQS 160 were investigated for their response to five levels of irrigation water salinity viz. control (2 dSm-1), 4, 8, 12 and 16 dSm-1”
✓ located verbatim in the source · abstract, characters 0–200

e1
“Adverse effect of salinity was evident in the genotypes for all characters”
✓ located verbatim in the source · abstract, characters 1144–1218

e2
“The wheat was grown in pots containing sandy loam soil under shade house conditions”
✓ located verbatim in the source · abstract, characters 228–311

Title

Response of Wheat (Triticum aestivum L.) to Irrigation Water Salinity: I. Effect on Agronomic and Yield Attributes

S.K. Nadaf; S.A. AI-Khamisi; A. H. AI-Lawati; et al. Journal of Agricultural and Marine Sciences [JAMS] 2001. doi:10.24200/jams.vol6iss0pp15-32

Other claims from this paper (8)

Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.

“yield decrease”

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