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“decrease in density”

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Taxon: pea ✕

Taxon groups are the verbatim names found in the abstracts (case-insensitive), not normalised: maize, corn and Zea mays are separate groups here. The Organism view merges them through NCBI Taxonomy.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing density decreased seed mass per plant.

Taxon: peaLathyrus oleraceust0
Treatment: increase in planting densitye0
Outcome: seed mass with plantse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“The increase in planting density led to an aggravation of the competitive relationship of plants, manifested in a decrease in the value of the seed mass with plants”
✓ located verbatim in the source · abstract, characters 1550–1714

t0
“PEA”
✓ located verbatim in the source · title, characters 30–33

Title

FORMATION THE PRODUCTIVITY OF PEA VARIETIES WITH THE DEFORMATION OF LIGNIN IN LEGUME’S VALVE DEPENDING ON CROPS DENSITY

Александра Фадеева; Aleksandra Fadeeva; Ксения Шурхаева; et al. Vestnik of Kazan state agrarin university 2019. doi:10.12737/article_5d3e169d7ec071.00240845

Other claims from this paper (16)

Observation Kaban optimal sowing structure occurred at 1.0–1.2 million viable seeds.
Intervention effect Minimum sowing rate gave the best survival and conservation in dry conditions.
Observation With better moisture, survival reached 95.0%.
Observation With better moisture, conservation reached 98.3%.
Intervention effect Fregat field germination rose to 100.0% at 1.4 million seeds under moisture deficit.
Intervention effect Fregat plant survival rose to 97.8 at 1.4 million seeds under moisture deficit.
Intervention effect Fregat survival rose to 97.9% at 1.4 million seeds under moisture deficit.
Observation Fregat optimal structure at 1.2 million seeds had field germination of 97.5.
Observation Fregat optimal structure at 1.2 million seeds had survival of 93.3.
Observation Fregat optimal structure at 1.2 million seeds had plant life of 95.7%.
Association Seeding rate explained 70.8-90.3% variability in seed mass.
Association Year conditions explained 8.3–9.7% of variability.
Association Interaction of year and seeding rate had no significant effect.
Observation Kaban maximum net productivity occurred at 1.2 million viable seeds regardless of year.
Recommendation Fregat optimal density was 1.0 in arid conditions.
Recommendation Fregat optimal density was 1.2 million viable seeds with greater moisture.

Associationobservedoriginal resultmeasured

Claim · model-written summary

RGR, absorption, element content, chlorophyll content and distribution index decreased with density.

Taxon: PeaLathyrus oleraceust0
Outcome: RGR valuee0
Direction: decreasee0
Setting: seed densityt0

Verbatim

e0
“the RGR value, the relative absorption rate IM, the content of all tested elements calculated per one plant, the chlorophyll content in the overground parts of one plant, and the distribution index decrease”
✓ located verbatim in the source · abstract, characters 376–582

t0
“Pea growth and ion accumulation at varying seed density”
✓ located verbatim in the source · title, characters 0–55

Title

Pea growth and ion accumulation at varying seed density

Z. Laštůvka; J. Minář Biologia Plantarum 1970. doi:10.1007/bf02920865

Other claims from this paper (8)

Association Per plant fresh and dry weight fell as density rose.
Observation Plant death and self thinning occurred in denser stands.
Association Root-weight ratio increased with density.
Association Chlorophyll related net assimilation rate decreased with density.
Association Chlorophyll content increased to density 40 and then fell.
Association Phosphorus ion accumulation was higher in dense cultures.
Association Potassium accumulation was near the control value.
Association Nitrogen accumulation was lower.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil bulk density decreased nominally in AMF plots

Taxon: peaLathyrus oleraceust0
Treatment: AMF imbedded plotse0
Outcome: soil bulk densitye0
Direction: decreasee0

Verbatim

t0
“pea (Pisum sativumL.)”
✓ located verbatim in the source · title, characters 113–134

e0
“AMF imbedded plots showed a slight build-up in soil organic carbon with nominal decrease in soil bulk density.”
✓ located verbatim in the source · abstract, characters 1576–1686

Title

Effect of AM fungi and phosphorus fertilization on P-use efficiency, nutrient acquisition and root morphology in pea (Pisum sativumL.) in an acid Alfisol

Arti Yadav; V. K. Suri; Anil Kumar; et al. Journal of Plant Nutrition 2017. doi:10.1080/01904167.2017.1406107

Other claims from this paper (16)

Intervention effect green pea pod weight increased 8.4%
Intervention effect green pod productivity increased 7.2%
Intervention effect agronomic efficiency of applied P increased 30.7%
Intervention effect nitrogen (N) uptake increased 16.3%
Intervention effect P uptake increased 18.2%
Intervention effect potassium (K) uptake increased 6%
Intervention effect rooting depth increased 21.4%
Intervention effect root volume increased 23.5%
Intervention effect root dry weight increased 14.9%
Intervention effect root weight density increased 13.7%
Intervention effect N concentration in root nodules increased 3.4%
Intervention effect AMF increased root colonization 3.2 folds at flowering
Intervention effect AMF did not significantly alter available soil nutrient status
Observation Available soil P increased 6.5% over initial status
Observation Soil organic carbon increased slightly in AMF plots
Observation AMF inoculation saved about 25% of the soil-test-based P dose

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher density decreased three chlorophyll fluorescence measures.

Taxon: peaLathyrus oleraceust0
Treatment: increase in plant densitye0
Outcome: parameters of chlorophyll fluorescencee0
Direction: decreasee0

Verbatim

e0
“The increase in plant density in the canopy caused a decrease in the measured parameters of chlorophyll fluorescence, such as maximum quantum yield of photosystem II ( Fv/Fm) and maximum quantum yield of primary photochemistry ( Fv/F0) and performance index ( PI)”
✓ located verbatim in the source · abstract, characters 693–956

t0
“pea seeds”
✓ located verbatim in the source · title, characters 40–49

Title

Photosynthesis, yielding and quality of pea seeds depending on the row spacing and sowing density

Renata E. Tobiasz-Salach; Marta Jańczak-Pieniążek; Dagmara Migut; et al. Journal of Water and Land Development 2022. doi:10.24425/jwld.2022.143730

Other claims from this paper (5)

Association Wider rows lowered leaf area index.
Association Row spacing and plant density determined pea seed yield and several yield components.
Association Wider rows decreased seed protein content.
Association Increasing sowing density from 70 to 110 m 2 raised seed protein content.
Association Weather during vegetation significantly influenced the results.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Prolonged preillumination at high photon flux density lowered epoxidation rate in both plant types.

Taxon: PeaLathyrus oleraceust0
Treatment: Prolonged preillumination at high PFDse0
Outcome: epoxidation ratee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Prolonged preillumination at high PFDs resulted in a decrease of the epoxidation rate without a further increase of the zeaxanthin concentration in both continuous light and IML plants.”
✓ located verbatim in the source · abstract, characters 1156–1341

t0
“Pea Plants”
✓ located verbatim in the source · title, characters 50–60

Title

The Xanthophyll Cycle in Intermittent Light-Grown Pea Plants (Possible Functions of Chlorophyll a/b-Binding Proteins)

P. Jahns PLANT PHYSIOLOGY 1995. doi:10.1104/pp.108.1.149

Other claims from this paper (9)

Observation Intermittent-light plants lacked nearly all chlorophyll a/b-binding proteins.
Intervention effect De-epoxidation rates and dependence on photon flux density were similar in intermittent-light and control plants.
Intervention effect Intermittent-light plants had much higher steady-state zeaxanthin concentration than controls at any photon flux density.
Mechanism Convertible violaxanthin under illumination was interpreted as dependent on chlorophyll a/b-binding proteins.
Intervention effect Epoxidation rate differed significantly between intermittent-light and control plants.
Intervention effect Epoxidation was about fivefold slower in intermittent-light plants.
Association Epoxidation rate fell as preillumination photon flux density rose in both plant types.
Intervention effect Prolonged preillumination at high photon flux density did not further increase zeaxanthin concentration.
Mechanism The results argue against permanent xanthophyll turnover under high-light illumination.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

The second application level left bulk density unchanged.

Taxon: peaLathyrus oleraceust0
Outcome: bulk densitye0
Direction: no changee0
Qualifier: second levele0

Not reportedTreatmentComparator

Verbatim

e0
“A significant decrease in bulk density was observed, to first and third level. With percent of decrease 15% and 10% respectively. In the seam time. The second level no change was observed”
✓ located verbatim in the source · abstract, characters 785–972

t0
“THE EFFECT OF USING THE SHENBLAN PLANT AS A SOIL CONDITIONER IN SOME SOIL PROPERTIES AND YIELD OF PEA CERATOPHLAM DEMERESM L. UNDER THE RAIN CIRCUMSTANCE OF RAMADI CITY.”
✓ located verbatim in the source · title, characters 0–169

Title

THE EFFECT OF USING THE SHENBLAN PLANT AS A SOIL CONDITIONER IN SOME SOIL PROPERTIES AND YIELD OF PEA CERATOPHLAM DEMERESM L. UNDER THE RAIN CIRCUMSTANCE OF RAMADI CITY.

Wathib Al-Nuaymy Anbar Journal of Agricultural Sciences 2004. doi:10.32649/ajas.2004.177200

Other claims from this paper (15)

Intervention effect The first shemblan level increased soil mean weight diameter by 42% versus control.
Intervention effect The second shemblan level increased soil mean weight diameter by 79% versus control.
Intervention effect The third shemblan level increased soil mean weight diameter by 108% versus control.
Intervention effect The first level decreased soil bulk density by 15%.
Intervention effect The third level decreased soil bulk density by 10%.
Intervention effect Penetration declined at the first application level.
Intervention effect The first level increased pea seed emergence by 27%.
Intervention effect The second level increased pea seed emergence by 16%.
Intervention effect The third level increased pea seed emergence by 26%.
Intervention effect The first level increased pea pod yield by 385%.
Intervention effect The second level increased pea pod yield by 130%.
Intervention effect The third level increased pea pod yield by 198%.
Intervention effect The first level increased pea dry matter by 70%.
Intervention effect The second level increased pea dry matter by 50%.
Intervention effect The third level increased pea dry matter by 105%.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Wider rows decreased seed protein content.

Taxon: peaLathyrus oleraceust0
Treatment: Wider row spacinge0
Outcome: protein content in seedse0
Direction: decreasee0

Verbatim

e0
“Wider row spacing resulted in a decrease in the protein content in seeds”
✓ located verbatim in the source · abstract, characters 1148–1220

t0
“pea seeds”
✓ located verbatim in the source · title, characters 40–49

Title

Photosynthesis, yielding and quality of pea seeds depending on the row spacing and sowing density

Renata E. Tobiasz-Salach; Marta Jańczak-Pieniążek; Dagmara Migut; et al. Journal of Water and Land Development 2022. doi:10.24425/jwld.2022.143730

Other claims from this paper (5)

Association Higher density decreased three chlorophyll fluorescence measures.
Association Wider rows lowered leaf area index.
Association Row spacing and plant density determined pea seed yield and several yield components.
Association Increasing sowing density from 70 to 110 m 2 raised seed protein content.
Association Weather during vegetation significantly influenced the results.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Prolonged preillumination at high photon flux density did not further increase zeaxanthin concentration.

Taxon: PeaLathyrus oleraceust0
Treatment: Prolonged preillumination at high PFDse0
Outcome: zeaxanthin concentratione0
Direction: without a further increasee0

Not reportedComparator

Verbatim

e0
“Prolonged preillumination at high PFDs resulted in a decrease of the epoxidation rate without a further increase of the zeaxanthin concentration in both continuous light and IML plants.”
✓ located verbatim in the source · abstract, characters 1156–1341

t0
“Pea Plants”
✓ located verbatim in the source · title, characters 50–60

Title

The Xanthophyll Cycle in Intermittent Light-Grown Pea Plants (Possible Functions of Chlorophyll a/b-Binding Proteins)

P. Jahns PLANT PHYSIOLOGY 1995. doi:10.1104/pp.108.1.149

Other claims from this paper (9)

Observation Intermittent-light plants lacked nearly all chlorophyll a/b-binding proteins.
Intervention effect De-epoxidation rates and dependence on photon flux density were similar in intermittent-light and control plants.
Intervention effect Intermittent-light plants had much higher steady-state zeaxanthin concentration than controls at any photon flux density.
Mechanism Convertible violaxanthin under illumination was interpreted as dependent on chlorophyll a/b-binding proteins.
Intervention effect Epoxidation rate differed significantly between intermittent-light and control plants.
Intervention effect Epoxidation was about fivefold slower in intermittent-light plants.
Association Epoxidation rate fell as preillumination photon flux density rose in both plant types.
Intervention effect Prolonged preillumination at high photon flux density lowered epoxidation rate in both plant types.
Mechanism The results argue against permanent xanthophyll turnover under high-light illumination.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil organic carbon increased slightly in AMF plots

Taxon: peaLathyrus oleraceust0
Treatment: AMF imbedded plotse0
Outcome: soil organic carbone0
Direction: build-upe0

Verbatim

t0
“pea (Pisum sativumL.)”
✓ located verbatim in the source · title, characters 113–134

e0
“AMF imbedded plots showed a slight build-up in soil organic carbon with nominal decrease in soil bulk density.”
✓ located verbatim in the source · abstract, characters 1576–1686

Title

Effect of AM fungi and phosphorus fertilization on P-use efficiency, nutrient acquisition and root morphology in pea (Pisum sativumL.) in an acid Alfisol

Arti Yadav; V. K. Suri; Anil Kumar; et al. Journal of Plant Nutrition 2017. doi:10.1080/01904167.2017.1406107

Other claims from this paper (16)

Intervention effect green pea pod weight increased 8.4%
Intervention effect green pod productivity increased 7.2%
Intervention effect agronomic efficiency of applied P increased 30.7%
Intervention effect nitrogen (N) uptake increased 16.3%
Intervention effect P uptake increased 18.2%
Intervention effect potassium (K) uptake increased 6%
Intervention effect rooting depth increased 21.4%
Intervention effect root volume increased 23.5%
Intervention effect root dry weight increased 14.9%
Intervention effect root weight density increased 13.7%
Intervention effect N concentration in root nodules increased 3.4%
Intervention effect AMF increased root colonization 3.2 folds at flowering
Intervention effect AMF did not significantly alter available soil nutrient status
Observation Available soil P increased 6.5% over initial status
Observation Soil bulk density decreased nominally in AMF plots
Observation AMF inoculation saved about 25% of the soil-test-based P dose

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Traditional, differentiated and minimal technologies decreased productivity by 4.3–10.8%.

Taxon: peaLathyrus oleraceust0
Treatment: traditional, differentiated, and minimal technologiese0
Outcome: productivitye0
Direction: decreasee0
Value: 4.3–10.8 %e0

Not reportedComparator

Verbatim

e0
“The use of traditional, differentiated, and minimal technologies contributed to a reduction of plant density before harvesting by 5.4–9.3 %, the mean number of grains per 1 m2 by 4.2–22.6 % and per plant by 0.6–18. 6 %, protein percentage in grain by 0.25–0.90 %, which led to a productivity decrease by 4.3–10.8 %, protein yield per hectare by 5.3–12.6 %.”
✓ located verbatim in the source · abstract, characters 1594–1950

t0
“peas”
✓ located verbatim in the source · title, characters 79–83

Title

The effect of cultivation technologies on weed infestation and productivity of peas

A. N. Morozov; D. V. Dubovik; E. V. Dubovik; et al. Grain Economy of Russia 2024. doi:10.31367/2079-8725-2024-91-2-98-105

Other claims from this paper (12)

Intervention effect Traditional technology reduced the total number of weeds 1.9–2.0 times in the critical growth period.
Intervention effect Traditional technology reduced weed dry weight 1.2–1.8 times in the critical growth period.
Intervention effect Traditional technology reduced weed number 2.1–2.5 times before harvest.
Intervention effect Traditional technology reduced weed dry weight 1.3–2.0 times before harvest.
Intervention effect Direct sowing gave the highest harvest plant density, grain counts and grain protein percentage.
Intervention effect Direct sowing produced maximum pea productivity of 2.31 t/ha.
Intervention effect Direct sowing produced protein yield of 460.6 kg/ha.
Intervention effect Traditional, differentiated and minimal technologies reduced harvest plant density by 5.4–9.3% relative to direct sowing.
Intervention effect Traditional, differentiated and minimal technologies reduced grains per square metre by 4.2–22.6%.
Intervention effect Traditional, differentiated and minimal technologies reduced grains per plant by 0.6–18. 6%.
Intervention effect Traditional, differentiated and minimal technologies reduced grain protein percentage by 0.25–0.90%.
Intervention effect Traditional, differentiated and minimal technologies reduced protein yield per hectare by 5.3–12.6%.

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“decrease in density”

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