Try:droughtFusariumnitrogen fertilizerArabidopsisseed germination

“decrease in A”

15 matches

Claim types

Direction of the findings

Over time

2020

Refine ·

More filters

Clear filters

paper W4395701435 ✕

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Herbicide use reduced weed harmfulness.

Taxon: perennial grassese0 e1 e2 e3 t0
Treatment: herbicidese0 e1 e2 e3 t0
Interactor: weedse0 e1 e2 e3 t0weed
Outcome: harmfulness of weedse0 e1 e2 e3 t0
Direction: decreasee0 e1 e2 e3 t0

Not reportedComparator

Verbatim

e0
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

High mineral fertilizer doses reduced weed harmfulness.

Taxon: perennial grassese0 e1 e2 e3 t0
Treatment: high doses of mineral fertilizerse0 e1 e2 e3 t0
Interactor: weedse0 e1 e2 e3 t0weed
Outcome: harmfulness of weedse0 e1 e2 e3 t0
Direction: decreasee0 e1 e2 e3 t0

Not reportedComparator

Verbatim

e0
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Protective measures reduced hazard coefficients 1.4 times in first-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Treatment: protective measures systemse0 e1 e2 e3 t0
Outcome: hazard coefficientse0 e1 e2 e3 t0
Direction: decreaseinferrede0 e1 e2 e3 t0
Value: 1.4e0 e1 e2 e3 t0

Not reportedComparator

Verbatim

e0
“the protective measures systems — by 1.4 and 4.2 times”
✓ located verbatim in the source · abstract, characters 1668–1722

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Protective measures reduced hazard coefficients 4.2 times in second-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Treatment: protective measures systemse0 e1 e2 e3 t0
Outcome: hazard coefficientse0 e1 e2 e3 t0
Direction: decreaseinferrede0 e1 e2 e3 t0
Value: 4.2 timese0 e1 e2 e3 t0

Not reportedComparator

Verbatim

e0
“the protective measures systems — by 1.4 and 4.2 times”
✓ located verbatim in the source · abstract, characters 1668–1722

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Protective measures reduced green mass yield losses 1.9 times in first-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Outcome: yield losses of green masse0 e1 e2 e3 t0
Direction: decreaseinferrede0 e1 e2 e3 t0
Value: 1.9e0 e1 e2 e3 t0

Not reportedTreatmentComparator

Verbatim

e0
“the yield losses of green mass — by 2.6 and 10.7 times, 1.9 and 8.9 times, respectively, on grasses of the 1st and 2nd years of use.”
✓ located verbatim in the source · abstract, characters 1728–1860

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Outcome: yield losses of green masse0 e1 e2 e3 t0
Direction: decreaseinferrede0 e1 e2 e3 t0
Value: 10.7 timese0 e1 e2 e3 t0

Not reportedTreatmentComparator

Verbatim

e0
“the yield losses of green mass — by 2.6 and 10.7 times, 1.9 and 8.9 times, respectively, on grasses of the 1st and 2nd years of use.”
✓ located verbatim in the source · abstract, characters 1728–1860

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Outcome: yield losses of green masse0 e1 e2 e3 t0
Direction: decreaseinferrede0 e1 e2 e3 t0
Value: 8.9 timese0 e1 e2 e3 t0

Not reportedTreatmentComparator

Verbatim

e0
“the yield losses of green mass — by 2.6 and 10.7 times, 1.9 and 8.9 times, respectively, on grasses of the 1st and 2nd years of use.”
✓ located verbatim in the source · abstract, characters 1728–1860

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Treatment: mineral fertilizerse0 e1 e2 e3 t0
Outcome: yield losses of green masse0 e1 e2 e3 t0
Direction: decreaseinferrede0 e1 e2 e3 t0
Value: 2.6e0 e1 e2 e3 t0

Not reportedComparator

Verbatim

e0
“the yield losses of green mass — by 2.6 and 10.7 times, 1.9 and 8.9 times, respectively, on grasses of the 1st and 2nd years of use.”
✓ located verbatim in the source · abstract, characters 1728–1860

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Treatment: mineral fertilizerse0 e1 e2 e3 t0
Outcome: hazard coefficientse0 e1 e2 e3 t0
Direction: decreasede0 e1 e2 e3 t0
Value: 5.7 timese0 e1 e2 e3 t0

Not reportedComparator

Verbatim

e0
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Treatment: mineral fertilizerse0 e1 e2 e3 t0
Interactor: weedse0 e1 e2 e3 t0weed
Outcome: hazard coefficientse0 e1 e2 e3 t0
Direction: decreasede0 e1 e2 e3 t0
Value: 2.6e0 e1 e2 e3 t0

Not reportedComparator

Verbatim

e0
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

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.

“decrease in A”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics