Search claims · PlantClaims

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Lower inoculum and root colonization in 1995 were attributed to hot soil and probably low rainfall.

Taxon: soybeanGlycine maxe0
Outcome: reduced soybean root colonizatione0
Qualifier: high soil temperatures and probably low rainfalle0

Verbatim

e0
“A substantial decrease in inoculum density in 1995, along with reduced soybean root colonization, were attributed to high soil temperatures and probably low rainfall recorded during that summer.”
✓ located verbatim in the source · abstract, characters 794–988

Title

Factors Affecting Soybean Root Colonization by Calonectria ilicicola and Development of Red Crown Rot Following Delayed Planting

P. U. Kuruppu; R. W. Schneider; J. S. Russin Plant Disease 2004. doi:10.1094/pdis.2004.88.6.613

Other claims from this paper (7)

Association Early root colonization was important for red crown rot symptoms.
Intervention effect Delayed planting reduced symptoms in susceptible Sharkey.
Observation Cajun had low symptoms regardless of planting date.
Association Taproot colonization correlated positively with inoculum density in all three seasons.
Association Lateral root colonization correlated positively with inoculum density in 1994.
Observation Soybean was most susceptible during the first week after emergence.
Observation Susceptibility fell by nearly half in the second week and remained near that level.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium uptake increased sharply up to 69 days after germination in fertilized soils.

Taxon: wheatTriticum aestivumt0
Outcome: K uptake valuese0
Direction: increasede0
Qualifier: up to 69 days after germination (DAG)e0

Verbatim

e0
“The K uptake values increased sharply with age of the crop up to 69 days after germination (DAG), but the rate of K accumulation showed a gradual decrease thereafter, in soils which received fertilizer potassium.”
✓ located verbatim in the source · abstract, characters 1605–1817

t0
“wheat”
✓ located verbatim in the source · title, characters 46–51

Title

Effect of potassium on root length density of wheat at different stages of growth

Ghorban Ali Roshani; G. Narayanasamy; S.C. Datta Journal of the Indian Society of Soil Science 2005

Other claims from this paper (7)

Association Wheat dry matter yield increased with crop age.
Association Dry matter yield ranked Inceptisol, Vertisol, then Alfisol.
Intervention effect Potassium deficiency decreased total root length in later growth stages, especially in Vertisol and Alfisol.
Intervention effect Potassium deficiency decreased root length density in later growth stages.
Association Wheat potassium concentration was lower in Alfisol than in Vertisol and Inceptisol.
Association Potassium uptake was lower in Alfisol than in Vertisol and Inceptisol.
Observation The rate of potassium accumulation decreased after 69 days in fertilized soils.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

High whitefly levels were associated with significant reductions in cantaloupe fruit yield

Taxon: cantaloupeCucumis melo var. cantalupoe0
Treatment: High levels of whitefly adults and immaturese1
Interactor: Bemisia argentifoliiBemisia argentifoliie0pest
Outcome: fruit yielde1
Direction: reductionse1

Verbatim

e0
“A range of infestation levels of the whitefly Bemisia argentifolii Bellows & Perring were established across experimental field plots of cantaloupe by varying insecticide treatments to evaluate the relationships between whitefly density and crop yield and quality”
✓ located verbatim in the source · abstract, characters 0–263

e1
“High levels of whitefly adults and immatures were associated with significant reductions in fruit yield, a decrease in fruit size, and an increase in the percentage of fruits with sooty mold”
✓ located verbatim in the source · abstract, characters 265–455

Title

Density–Yield Relationships and Economic Injury Levels for Bemisia argentifolii (Homoptera: Aleyrodidae) in Cantaloupe in Texas

URBANO NAVA-CAMBEROS; DAVID G. RILEY; MARVIN K. HARRIS Journal of Economic Entomology 2001. doi:10.1603/0022-0493-94.1.180

Other claims from this paper (10)

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Dense corn population was associated with a 16% loss in pigweed total dry matter accumulation (TDM).

Taxon: cornZea mays subsp. mayse2
Treatment: dense corn populatione2
Interactor: pigweede2weed
Outcome: TDMe2
Direction: decreaseinferrede2
Value: 16e2
Setting: Esfahan agricultural research statione1

Verbatim

e1
“a field experiment was carried out at Esfahan agricultural research station 2003”
✓ located verbatim in the source · abstract, characters 152–232

e2
“dense corn population, lead to 26.2, 16 and 19.7 percent loss in pigweed LAI, TDM and WGR respectively”
✓ located verbatim in the source · abstract, characters 1054–1156

Title

EFFECT OF CORN DENSITY AND SPATIAL ARRANGEMENT ON REDROOT PIGWEED (AMARANTHUS RETROFLEXUS L.) GROWTH INDICES

Alireza Yadavi; A Ghalavand; M Agha Alikhani; et al. Pizhūhish va sāzandigī 2007

Other claims from this paper (7)

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Dense corn population was associated with a 19.7% loss in pigweed weed growth rate (WGR).

Taxon: cornZea mays subsp. mayse2
Treatment: dense corn populatione2
Interactor: pigweede2weed
Outcome: WGRe2
Direction: decreaseinferrede2
Value: 19.7e2
Setting: Esfahan agricultural research statione1

Verbatim

e1
“a field experiment was carried out at Esfahan agricultural research station 2003”
✓ located verbatim in the source · abstract, characters 152–232

e2
“dense corn population, lead to 26.2, 16 and 19.7 percent loss in pigweed LAI, TDM and WGR respectively”
✓ located verbatim in the source · abstract, characters 1054–1156

Title

EFFECT OF CORN DENSITY AND SPATIAL ARRANGEMENT ON REDROOT PIGWEED (AMARANTHUS RETROFLEXUS L.) GROWTH INDICES

Alireza Yadavi; A Ghalavand; M Agha Alikhani; et al. Pizhūhish va sāzandigī 2007

Other claims from this paper (7)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Rice yield decreased with fringe loss rate in the fitted equation.

Taxon: riceOryza sativat1
Interactor: Ephydra macellaria EggerEphydra macellariat0pest
Outcome: rice yielde0
Direction: decreaseinferrede0
Value: -402 746 9e0
Comparator: fringe loss ratee0

Verbatim

e0
“the relationship between rice yield (y) and pest density (x 1) and fringe loss rate (x 5) was in compliance with equation: y ^=9 433 965-6 673 7 x 1-402 746 9 x 5.”
✓ located verbatim in the source · abstract, characters 165–328

t0
“Ephydra macellaria Egger”
✓ located verbatim in the source · title, characters 37–61

t1
“rice yield loss”
✓ located verbatim in the source · title, characters 11–26

Title

Studies on rice yield loss caused by Ephydra macellaria Egger

Zheng Gen-chang Plant Protection 2002

Other claims from this paper (4)

Association Rice yield decreased with pest density in the fitted equation.
Association Rice yield loss increased with larva density in the fitted equation.
Association Path analysis found fringe loss rate to have the strongest effect on rice yield.
Association Path analysis found pest density to affect rice yield.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Dense corn population was associated with a 26.2% loss in pigweed leaf area index (LAI).

Taxon: cornZea mays subsp. mayse2
Treatment: dense corn populatione2
Interactor: pigweede2weed
Outcome: pigweed LAIe2
Direction: decreaseinferrede2
Value: 26.2e2
Setting: Esfahan agricultural research statione1

Verbatim

e1
“a field experiment was carried out at Esfahan agricultural research station 2003”
✓ located verbatim in the source · abstract, characters 152–232

e2
“dense corn population, lead to 26.2, 16 and 19.7 percent loss in pigweed LAI, TDM and WGR respectively”
✓ located verbatim in the source · abstract, characters 1054–1156

Title

EFFECT OF CORN DENSITY AND SPATIAL ARRANGEMENT ON REDROOT PIGWEED (AMARANTHUS RETROFLEXUS L.) GROWTH INDICES

Alireza Yadavi; A Ghalavand; M Agha Alikhani; et al. Pizhūhish va sāzandigī 2007

Other claims from this paper (7)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

After three cropping cycles, mulching improved organic carbon and total nitrogen.

Taxon: maizeZea mayst0
Treatment: mulchinge0
Outcome: organic C and total Ne0
Direction: improvemente0
Qualifier: 3 cropping cyclese0

Not reportedComparator

Verbatim

e0
“There was an improvement in organic C and total N, and a decrease in bulk density with a corresponding increase in infiltration rate due to mulching at the end of 3 cropping cycles.”
✓ located verbatim in the source · abstract, characters 1712–1893

t0
“maize (Zea mays)”
✓ located verbatim in the source · title, characters 62–78

Title

Effect of live mulching with annual legumes on performance of maize (Zea mays) and residual effect on following wheat (Triticum aestivum)

A.R. SHARMA; RATAN SINGH; S.K. DHYANI; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v55i3.4748

Other claims from this paper (17)

Observation Legume mulch accumulated 1.091.17 t/ha dry biomass.
Observation Legume mulch added 27.931.3 kg N/ha.
Observation Weed mulch yielded 1.31 t/ha biomass at 30 days.
Observation Weed mulch added 10.3 kg N/ha at 30 days.
Intervention effect Mulching at 45 days increased biomass and nitrogen addition by 68.5 74.8%.
Intervention effect Legume mulch at 30 days raised maize productivity 5.68.8% over no mulch.
Intervention effect Live mulching raised maize-harvest soil moisture by 1.632.91%, most strongly with sunnhemp.
Intervention effect Prior legume mulching increased subsequent wheat yield by 13.314.0%.
Intervention effect Weed biomass mulch was inferior to legume mulch in both crops.
Intervention effect Mulching at 45 days harmed maize growth and yield.
Intervention effect Mulching at 45 days benefited subsequent wheat through greater biomass and nitrogen addition.
Intervention effect Wheat yield was lower when cowpea stover was mulched at maize harvest or wheat sowing.
Intervention effect Minimum tillage lowered wheat yield relative to conventional tillage.
Observation Wheat net returns were 2.53.0 times maize returns.
Observation The system benefit-cost ratio exceeded 1.0 with sunnhemp and dhaincha mulching.
Intervention effect After three cropping cycles, mulching decreased soil bulk density.
Intervention effect After three cropping cycles, mulching increased infiltration rate.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fallow and rotation with flooded rice increased the soil water holding capacity of aerobic rice fields.

Taxon: aerobic ricee5
Treatment: fallow and rotation with flooded ricee5
Outcome: soil water holding capacitye5
Direction: Increasese5

Not reportedComparator

Verbatim

e5
“Increases in yield response to N application and soil water holding capacity and decrease in 0-10 cm soil bulk density of aerobic rice after fallow and rotation with flooded rice were observed”
✓ located verbatim in the source · abstract, characters 911–1103

Title

Alleviating soil sickness caused by aerobic monocropping: Responses of aerobic rice to fallow, flooding and crop rotation

Lixiao Nie; Jing Xiang; Shaobing Peng; et al. International journal of food, agriculture and environment 2009

Other claims from this paper (10)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cumulative fruit yield at 177 trees/ha was 43.29 tonnes/ha, lower with reduced tree population.

Taxon: mangoMangifera indicat0
Treatment: 177e0
Outcome: cumulative fruit yielde0
Direction: decreasede0
Value: 43.29 tonnes/hae0
Comparator: 400 trees/hae1

Verbatim

e0
“cumulative fruit yield decreased to 43.29 tonnes/ha, 25.52 tonnes/ha and 16.91 tonnes/ha with decrease in tree population to 177, 100 and 64 trees/ha, respectively”
✓ located verbatim in the source · abstract, characters 777–940

t0
“mango”
✓ located verbatim in the source · title, characters 62–67

e1
“high-density of 400 trees/ha”
✓ located verbatim in the source · abstract, characters 673–701

Title

Effect of different planting densities on growth and yield of mango

Shri Ram; Charan Singh; P.C. Shukla Indian Journal of Horticulture 2001

Other claims from this paper (8)

Observation Tree growth was slow for five years, accelerated through year ten, then slowed again.
Intervention effect Tree growth did not differ significantly among planting densities.
Intervention effect Per-tree fruit yield and fruit quality did not differ during the experiment.
Observation At 400 trees/ha, annual fruit yield increased from 0.30 tonnes/ha in year four to 18.0 tonnes/ha in year fourteen.
Observation Cumulative yield at 400 trees/ha was 74.12 tonnes/ha over twelve fruiting years.
Intervention effect Cumulative fruit yield at 100 trees/ha was 25.52 tonnes/ha, lower with reduced tree population.
Intervention effect Cumulative fruit yield at 64 trees/ha was 16.91 tonnes/ha, lower with reduced tree population.
Recommendation The authors recommend increasing mango orchard plant population to increase yield.

“decrease in density”

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