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“decrease in density”

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1990 2000 ’10 ’20

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Taxon: rice ✕

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.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Mean nematode density tended to decrease under longer fallows in forest and savannah zones.

Taxon: riceOryza sativat0
Treatment: longer fallowse0
Interactor: nematodeNematodae0pest
Outcome: Mean nematode population densitiese0
Direction: decreasinge0
Setting: forest and savannah zonese0

Verbatim

e0
“Mean nematode population densities exhibited a trend, decreasing, under longer fallows in the forest and savannah zones”
✓ located verbatim in the source · abstract, characters 497–616

e1
“Mean nematode population densities exhibited a trend, decreasing, under longer fallows in the forest and savannah zones”
✓ located verbatim in the source · abstract, characters 497–616

t0
“rice”
✓ located verbatim in the source · title, characters 72–76

t1
“rice”
✓ located verbatim in the source · title, characters 72–76

Title

Plant parasitic nematode diversity and prevalence in traditional upland rice in Ivory Coast: preliminary observations on the effects of cropping intensification

Danny Coyne; David Hunt; R. A. Plowright; et al. Fundamental & applied nematology 1998

Other claims from this paper (8)

Observation Eighty nematode species from 35 genera were associated with rice.
Association Helicorylenchus density was significantly lower in long fallows in the forest zone.
Association Other nematode densities did not differ significantly between fallow regimes.
Observation Nematode diversity was greatest in forest-savannah, lower in savannah and least in humid forest.
Observation Nematode density and prevalence differed among agroecologies for some genera.
Observation Mewidogyne was most prevalent in forest.
Observation Pralylenchus was more prevalent in forest-savannah and savannah.
Observation Helerodera occurred at low prevalence in forest and forest-savannah.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Eight perennial weed species were enriched in strip-tillage seed banks.

Taxon: riceOryza sativat0
Outcome: perennial weeds Ageratum conyzoides L., Alternanthera philoxeroides L., Cynodon dactylon L., Cyperus rotundus L., Jussia decurrence Walt., Leersia hexandra L., Scirpus mucronatus (L.) Palla., and Solanum torvum Sw. were enrichede0
Direction: enrichede0

Verbatim

e0
“The perennial weeds Ageratum conyzoides L., Alternanthera philoxeroides L., Cynodon dactylon L., Cyperus rotundus L., Jussia decurrence Walt., Leersia hexandra L., Scirpus mucronatus (L.) Palla., and Solanum torvum Sw. were enriched in the smaller-sized ST seed banks in terms of both density and biomass”
✓ located verbatim in the source · abstract, characters 1213–1517

t0
“Rice”
✓ located verbatim in the source · title, characters 124–128

Title

Strip Tillage and Crop Residue Retention Decrease the Size but Increase the Diversity of the Weed Seed Bank under Intensive Rice-Based Crop Rotations in Bangladesh

Mohammad Mobarak Hossain; Mahfuza Begum; Abul Hashem; et al. Agronomy 2021. doi:10.3390/agronomy11061164

Other claims from this paper (7)

Intervention effect Strip tillage plus 50% mulch lowered emerged weed abundance and biomass versus conventional tillage.
Intervention effect Strip tillage plus mulch produced fewer weed species.
Observation Annual weeds dominated conventional-tillage seed banks.
Intervention effect Strip tillage plus residue had a more diverse seed bank than conventional tillage.
Observation Strip tillage concentrated most weed seeds at 0–5 cm depth.
Observation Conventional tillage concentrated most weed seeds at 10–15 cm depth.
Association Wheat-mungbean-winter rice rotation had more diverse floristic composition and more weed species.

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