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“decrease in density”

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2000 ’10 ’20

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Organism: Oryza sativa ✕

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Nutrient density unit under ORD did not decrease significantly.

Taxon: riceOryza sativat0
Outcome: nutrient density unit (NDU)e0
Direction: did not decreasee0

Verbatim

e0
“its nutrient density unit (NDU) did not decrease significantly due to the additional duck yield”
✓ located verbatim in the source · abstract, characters 540–635

t0
“rice–duck coculture”
✓ located verbatim in the source · title, characters 93–112

Title

Transforming agrifood systems in a win–win for health and environment: evidence from organic rice–duck coculture

Hui Gao; Linxiu Dai; Qiang Xu; et al. Journal of the Science of Food and Agriculture 2022. doi:10.1002/jsfa.12282

Other claims from this paper (5)

Observation Rice yield under ORD was slightly lower than CR.
Observation ORD carbon footprint per NDU was 24.3% lower than OR.
Observation ORD carbon footprint per NDU was 5.8% higher than CR, without statistical significance.
Observation ORD carbon footprint per economic profit was reduced by 47.1-75.7% versus the other farming modes.
Observation ORD net ecosystem economic budget increased by 98.5-341.9%.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Rhizosphere bacterial network complexity and density did not decrease in three Bt rice lines relative to the non-Bt line.

Taxon: riceOryza sativat0
Treatment: three Bt rice linese0
Outcome: network complexity and densitye0
Direction: did not decreasee0
Comparator: non-Bt linee0

Verbatim

t0
“Bt-transgenic rice plantings”
✓ located verbatim in the source · title, characters 23–51

e0
“network complexity and density for the three Bt rice lines did not decrease compared with those for the non-Bt line”
✓ located verbatim in the source · abstract, characters 1206–1321

Title

Differential impact of Bt-transgenic rice plantings on bacterial community in three niches over consecutive years

Nan Wu; Wencong Shi; Wenwen Liu; et al. Ecotoxicology and Environmental Safety 2021. doi:10.1016/j.ecoenv.2021.112569

Other claims from this paper (9)

Observation Bacterial OTUs clustered primarily by niche type.
Intervention effect Root endosphere bacterial OTUs differed significantly between Bt and non-Bt rice lines.
Intervention effect Leaf endosphere bacterial OTUs differed significantly between Bt and non-Bt rice lines.
Intervention effect Rhizosphere bacterial OTUs did not differ significantly between Bt and non-Bt rice lines.
Observation Bacterial OTUs did not differ among the three Bt rice lines within each niche.
Observation Rhizosphere bacterial communities clustered mainly by year rather than rice line.
Observation Differential bacterial taxa between rice lines did not overlap between years.
Observation Differences in endosphere bacterial communities between Bt and non-Bt rice were mild and transient.
Observation The authors found no adverse impact on rhizosphere soil bacterial communities over three years.

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Forage rice total digestible nutrient content did not decrease significantly with increasing skipper density.

Taxon: riceOryza sativae1
Interactor: rice skipper Parnara guttata guttata Bremer et GreyParnara guttatae2pest
Outcome: total digestible nutrients contente0
Direction: did not decreasee0
Qualifier: increasing larval densitye1

Verbatim

e0
“total digestible nutrients content did not decrease significantly”
✓ located verbatim in the source · abstract, characters 696–761

e1
“increasing larval density on the rice plants”
✓ located verbatim in the source · abstract, characters 642–686

e2
“rice skipper Parnara guttata guttata Bremer et Grey larvae”
✓ located verbatim in the source · abstract, characters 57–115

Title

Effects of Changes in Density of Rice Skipper Parnara guttata guttata（Lepidoptera: Hesperiidae）Larvae on the Quantity and Quality of Late-Transplanted Forage Rice Crops

Mami Ishizaki; Hiroki Matsuyama; Natsuki Sato Japanese Journal of Applied Entomology and Zoology 2017. doi:10.1303/jjaez.2017.167

Other claims from this paper (2)

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The relationship between nematode density and decrease in yield components was statistically insignificant.

Taxon: riceOryza sativat0
Interactor: nematodeNematodae3pest
Outcome: yield componente3
Direction: decreasinge3

Verbatim

t0
“Response of some rice cultivars to rice white tip nematode”
✓ located verbatim in the source · title, characters 0–58

e3
“The relationship between nematode density and decreasing in yield component of varieties was statistically insignificant”
✓ located verbatim in the source · abstract, characters 727–847

Title

Response of some rice cultivars to rice white tip nematode (Aphelenchoides besseyi, Christie).

Adnan Tülek; Sultan Çobanoğlu DergiPark (Istanbul University) 2012

Other claims from this paper (2)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Pethoxamid did not decrease rice yield

Taxon: riceOryza sativae1
Treatment: pethoxamide1
Outcome: yielde2
Direction: no decreasee2
Comparator: nontreated controle1

Verbatim

e1
“A reduction in rice shoot density and plant height compared to the nontreated control followed the use of pethoxamid”
✓ located verbatim in the source · abstract, characters 1100–1216

e2
“however, no decrease in yield resulted”
✓ located verbatim in the source · abstract, characters 1218–1256

Title

Weed Control and Selectivity of Pethoxamid Alone and in Mixture as a Delayed Preemergence Application to Rice

John Godwin; Jason K. Norsworthy; Robert C. Scott Weed Technology 2018. doi:10.1017/wet.2018.57

Other claims from this paper (10)

Observation Rice injury was minimal with any treatment assessed
Intervention effect Pethoxamid reduced rice shoot density and plant height compared with the nontreated control
Observation Imazethapyr gave 91% barnyardgrass control near Lonoke
Observation Quinclorac gave 89% barnyardgrass control near Lonoke
Intervention effect Pethoxamid combined with clomazone and quinclorac increased barnyardgrass control compared with clomazone and quinclorac alone
Observation Pethoxamid alone gave 92% barnyardgrass control near Colt
Observation Pethoxamid alone gave 96% barnyardgrass control near Colt
Observation Rice can tolerate pethoxamid when applied DPRE
Observation Adequate barnyardgrass control can be achieved with pethoxamid at the rates evaluated within a program
Recommendation Pethoxamid is suggested as a viable option in rice to allow increased rotation of herbicide sites of action

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Yield of hybrids with strong tillering capacity showed no difference with decreasing planting density

Taxon: hybrid riceOryza sativae0
Material: hybrids with strong tillering capacitye6
Treatment: decrease of planting densitiese6
Outcome: yielde6
Direction: no yield differencee6

Not reportedComparator

Verbatim

e0
“two hybrid rice combinations, Zhongyou 6 and Liangyou Peijiu as the materials”
✓ located verbatim in the source · abstract, characters 116–193

e6
“With the decrease of planting densities, the yield of the hybrids with weak tillering capacity decreased dramatically while no yield difference was found in the hybrids with strong tillering capacity”
✓ located verbatim in the source · abstract, characters 968–1167

Title

Studies on the Tillering Dynamics, Panicle Formation and Composition of Panicles of Hybrid Rice under Sparse Transplanting Density

Zhang Yu-ping Zajiao shuidao 2004

Other claims from this paper (9)

Intervention effect Sparse planting promoted the emergence of tillers
Intervention effect Sparse planting delayed the maximal tiller stage
Intervention effect Planting densities of 13.5 and 7.5 hills/m2 delayed the maximal tiller stage by one and two weeks relative to 19.5 hills/m2
Intervention effect With decreasing planting density, the percentage of tillers emerged in the middle and late stages increased
Intervention effect With decreasing planting density, the productive tiller rate increased
Observation Number of grains per panicle differed greatly between early and late tillers
Observation Seed setting percentage showed not much difference between early and late tillers
Mechanism Yield difference between early and late tillers was mainly due to the number of grains per panicle
Intervention effect With decreasing planting density, yield of hybrids with weak tillering capacity decreased dramatically

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Yield decrease did not differ among varieties.

Taxon: japonica riceOryza sativa Japonica Groupt0
Outcome: rate of decreasee0
Direction: not observed differencee0

Verbatim

e0
“Therefore, rice yield, can be reduced in proportion to the shading density is apparent, the rate of decrease was not observed difference between varieties, when protected from light 70%, and decreased to less than 50%.”
✓ located verbatim in the source · abstract, characters 2053–2271

t0
“japonica rice”
✓ located verbatim in the source · title, characters 90–103

Title

Change of photosynthetic efficiency and yield by low light intensity on ripening stage in japonica rice

Min Hee Lee; Shin-Gu Kang; Wan-Gyu Sang; et al. Korean Journal of Agricultural Science 2014. doi:10.7744/cnujas.2014.41.4.327

Other claims from this paper (9)

Observation Fv/Fm and SPAD declined over time under full sunlight.
Intervention effect Shading did not change these photosynthetic indicators.
Observation No significant cultivar difference appeared for the photosynthetic indicators.
Intervention effect Shading delayed ripening rate compared with full sunlight.
Intervention effect Shading decreased rice quality compared with full sunlight.
Association Rice yield decreased as shading density increased.
Intervention effect Nitrogen level did not significantly mitigate low light effects on yield and yield components.
Intervention effect Shading increased white rice protein content, more at 70% than 50% shade.
Intervention effect Shading tended to decrease amylose content.

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“decrease in density”

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