Dioscorea esculenta 120 claims

species · family Dioscoreaceae · green plant · NCBI Taxonomy ↗

Common name: lesser yam — Also written in claims: lesser yam · D. esculenta L

7 spellings

Questions studied on this organism3 questions4 papers

Dioscorea esculentaH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

120 claims

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Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Yam monoculture produced the highest tuber biomass of yam.

Taxon: Dioscorea esculentaDioscorea esculentae0
Treatment: YMe1
Outcome: tuber biomass of yame1
Direction: higheste1

Not reportedComparator

Verbatim

e0
“Lesser yam, Dioscorea esculenta (Lour.) Burkill, is a staple crop massively cultivated in monoculture (yam monoculture: YM)”
✓ located verbatim in the source · abstract, characters 778–901

e1
“The YM produced the highest tuber biomass of yam, but the TAB produced the highest tuber yield (F = 38.977, P < 0.001)”
✓ located verbatim in the source · abstract, characters 1549–1667

Title

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

Budiadi; Sawitri; Enggal Primananda; et al. Plants People Planet 2025. doi:10.1002/ppp3.70145

Other claims from this paper (7)

Intervention effect Trees along the border produced the highest tuber yield.
Intervention effect Yam monoculture had the lowest benefit-cost ratio (1.60), below trees along border (2.01), teak-yam intercropping (1.84) and teak monoculture (1.90).
Intervention effect Teak monoculture was less profitable than teak-yam intercropping and trees along border based on net present value and equivalent annual income.
Intervention effect Trees along the border were the most profitable plantation type on financial analysis.
Observation Lesser yam is suitable to grow under the canopy cover.
Observation Teak trees serve as living stakes for yam vines.
Recommendation Trees along the border can reasonably increase economic benefits for farmers.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Trees along the border produced the highest tuber yield.

Taxon: Dioscorea esculentaDioscorea esculentae0
Treatment: TABe1
Outcome: tuber yielde1
Direction: higheste1

Not reportedComparator

Verbatim

e0
“Lesser yam, Dioscorea esculenta (Lour.) Burkill, is a staple crop massively cultivated in monoculture (yam monoculture: YM)”
✓ located verbatim in the source · abstract, characters 778–901

e1
“The YM produced the highest tuber biomass of yam, but the TAB produced the highest tuber yield (F = 38.977, P < 0.001)”
✓ located verbatim in the source · abstract, characters 1549–1667

Title

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

Budiadi; Sawitri; Enggal Primananda; et al. Plants People Planet 2025. doi:10.1002/ppp3.70145

Other claims from this paper (7)

Intervention effect Yam monoculture produced the highest tuber biomass of yam.
Intervention effect Yam monoculture had the lowest benefit-cost ratio (1.60), below trees along border (2.01), teak-yam intercropping (1.84) and teak monoculture (1.90).
Intervention effect Teak monoculture was less profitable than teak-yam intercropping and trees along border based on net present value and equivalent annual income.
Intervention effect Trees along the border were the most profitable plantation type on financial analysis.
Observation Lesser yam is suitable to grow under the canopy cover.
Observation Teak trees serve as living stakes for yam vines.
Recommendation Trees along the border can reasonably increase economic benefits for farmers.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yam monoculture had the lowest benefit-cost ratio (1.60), below trees along border (2.01), teak-yam intercropping (1.84) and teak monoculture (1.90).

Taxon: Dioscorea esculentaDioscorea esculentae0
Treatment: YMe1
Outcome: Benefit–Cost Ratioe1
Direction: loweste1
Value: 1.60e1
Comparator: TABe1

Verbatim

e0
“Lesser yam, Dioscorea esculenta (Lour.) Burkill, is a staple crop massively cultivated in monoculture (yam monoculture: YM)”
✓ located verbatim in the source · abstract, characters 778–901

e1
“YM had the lowest Benefit–Cost Ratio (1.60), compared to TAB (2.01), TYI (1.84), and teak monoculture (TM, 1.90)”
✓ located verbatim in the source · abstract, characters 1669–1781

Title

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

Budiadi; Sawitri; Enggal Primananda; et al. Plants People Planet 2025. doi:10.1002/ppp3.70145

Other claims from this paper (7)

Intervention effect Yam monoculture produced the highest tuber biomass of yam.
Intervention effect Trees along the border produced the highest tuber yield.
Intervention effect Teak monoculture was less profitable than teak-yam intercropping and trees along border based on net present value and equivalent annual income.
Intervention effect Trees along the border were the most profitable plantation type on financial analysis.
Observation Lesser yam is suitable to grow under the canopy cover.
Observation Teak trees serve as living stakes for yam vines.
Recommendation Trees along the border can reasonably increase economic benefits for farmers.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Teak monoculture was less profitable than teak-yam intercropping and trees along border based on net present value and equivalent annual income.

Taxon: Dioscorea esculentaDioscorea esculentae0
Treatment: TMe1
Outcome: Net Present Value and Equivalent Annual Incomee1
Direction: less profitablee1
Comparator: TYI and TABe1

Verbatim

e0
“Lesser yam, Dioscorea esculenta (Lour.) Burkill, is a staple crop massively cultivated in monoculture (yam monoculture: YM)”
✓ located verbatim in the source · abstract, characters 778–901

e1
“TM was less profitable than TYI and TAB based on Net Present Value and Equivalent Annual Income”
✓ located verbatim in the source · abstract, characters 1783–1878

Title

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

Budiadi; Sawitri; Enggal Primananda; et al. Plants People Planet 2025. doi:10.1002/ppp3.70145

Other claims from this paper (7)

Intervention effect Yam monoculture produced the highest tuber biomass of yam.
Intervention effect Trees along the border produced the highest tuber yield.
Intervention effect Yam monoculture had the lowest benefit-cost ratio (1.60), below trees along border (2.01), teak-yam intercropping (1.84) and teak monoculture (1.90).
Intervention effect Trees along the border were the most profitable plantation type on financial analysis.
Observation Lesser yam is suitable to grow under the canopy cover.
Observation Teak trees serve as living stakes for yam vines.
Recommendation Trees along the border can reasonably increase economic benefits for farmers.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Trees along the border were the most profitable plantation type on financial analysis.

Taxon: Dioscorea esculentaDioscorea esculentae0
Treatment: TABe1
Outcome: profitablee1
Direction: moste1

Not reportedComparator

Verbatim

e0
“Lesser yam, Dioscorea esculenta (Lour.) Burkill, is a staple crop massively cultivated in monoculture (yam monoculture: YM)”
✓ located verbatim in the source · abstract, characters 778–901

e1
“upon financial analysis, TAB was the most profitable plantation type”
✓ located verbatim in the source · abstract, characters 2015–2083

Title

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

Budiadi; Sawitri; Enggal Primananda; et al. Plants People Planet 2025. doi:10.1002/ppp3.70145

Other claims from this paper (7)

Intervention effect Yam monoculture produced the highest tuber biomass of yam.
Intervention effect Trees along the border produced the highest tuber yield.
Intervention effect Yam monoculture had the lowest benefit-cost ratio (1.60), below trees along border (2.01), teak-yam intercropping (1.84) and teak monoculture (1.90).
Intervention effect Teak monoculture was less profitable than teak-yam intercropping and trees along border based on net present value and equivalent annual income.
Observation Lesser yam is suitable to grow under the canopy cover.
Observation Teak trees serve as living stakes for yam vines.
Recommendation Trees along the border can reasonably increase economic benefits for farmers.

Observationobservedoriginal resultbasis n/a

Claim · model-written summary

Lesser yam is suitable to grow under the canopy cover.

Taxon: Dioscorea esculentaDioscorea esculentae0
Outcome: suitable to grow under the canopy covere1

Verbatim

e0
“Lesser yam, Dioscorea esculenta (Lour.) Burkill, is a staple crop massively cultivated in monoculture (yam monoculture: YM)”
✓ located verbatim in the source · abstract, characters 778–901

e1
“We found that lesser yam is suitable to grow under the canopy cover, and teak trees serve as living stakes for yam vines”
✓ located verbatim in the source · abstract, characters 1880–2000

Title

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

Budiadi; Sawitri; Enggal Primananda; et al. Plants People Planet 2025. doi:10.1002/ppp3.70145

Other claims from this paper (7)

Intervention effect Yam monoculture produced the highest tuber biomass of yam.
Intervention effect Trees along the border produced the highest tuber yield.
Intervention effect Yam monoculture had the lowest benefit-cost ratio (1.60), below trees along border (2.01), teak-yam intercropping (1.84) and teak monoculture (1.90).
Intervention effect Teak monoculture was less profitable than teak-yam intercropping and trees along border based on net present value and equivalent annual income.
Intervention effect Trees along the border were the most profitable plantation type on financial analysis.
Observation Teak trees serve as living stakes for yam vines.
Recommendation Trees along the border can reasonably increase economic benefits for farmers.

Observationobservedoriginal resultbasis n/a

Claim · model-written summary

Teak trees serve as living stakes for yam vines.

Taxon: Dioscorea esculentaDioscorea esculentae0
Outcome: living stakes for yam vinese1

Verbatim

e0
“Lesser yam, Dioscorea esculenta (Lour.) Burkill, is a staple crop massively cultivated in monoculture (yam monoculture: YM)”
✓ located verbatim in the source · abstract, characters 778–901

e1
“We found that lesser yam is suitable to grow under the canopy cover, and teak trees serve as living stakes for yam vines”
✓ located verbatim in the source · abstract, characters 1880–2000

Title

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

Budiadi; Sawitri; Enggal Primananda; et al. Plants People Planet 2025. doi:10.1002/ppp3.70145

Other claims from this paper (7)

Intervention effect Yam monoculture produced the highest tuber biomass of yam.
Intervention effect Trees along the border produced the highest tuber yield.
Intervention effect Yam monoculture had the lowest benefit-cost ratio (1.60), below trees along border (2.01), teak-yam intercropping (1.84) and teak monoculture (1.90).
Intervention effect Teak monoculture was less profitable than teak-yam intercropping and trees along border based on net present value and equivalent annual income.
Intervention effect Trees along the border were the most profitable plantation type on financial analysis.
Observation Lesser yam is suitable to grow under the canopy cover.
Recommendation Trees along the border can reasonably increase economic benefits for farmers.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Trees along the border can reasonably increase economic benefits for farmers.

Taxon: Dioscorea esculentaDioscorea esculentae0
Outcome: economic benefitse1

Verbatim

e0
“Lesser yam, Dioscorea esculenta (Lour.) Burkill, is a staple crop massively cultivated in monoculture (yam monoculture: YM)”
✓ located verbatim in the source · abstract, characters 778–901

e1
“This result suggests that the TAB can reasonably increase economic benefits”
✓ located verbatim in the source · abstract, characters 2085–2160

Title

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

Budiadi; Sawitri; Enggal Primananda; et al. Plants People Planet 2025. doi:10.1002/ppp3.70145

Other claims from this paper (7)

Intervention effect Yam monoculture produced the highest tuber biomass of yam.
Intervention effect Trees along the border produced the highest tuber yield.
Intervention effect Yam monoculture had the lowest benefit-cost ratio (1.60), below trees along border (2.01), teak-yam intercropping (1.84) and teak monoculture (1.90).
Intervention effect Teak monoculture was less profitable than teak-yam intercropping and trees along border based on net present value and equivalent annual income.
Intervention effect Trees along the border were the most profitable plantation type on financial analysis.
Observation Lesser yam is suitable to grow under the canopy cover.
Observation Teak trees serve as living stakes for yam vines.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The ridger blade performed satisfactorily in field trials but needed modifications.

Taxon: lesser yamDioscorea esculentat0
Outcome: found satisfactorye0

Not reportedComparatorValue

Verbatim

e0
“Filler trials of the ridger type blade were found satisfactory but required to have some modifications to make it suitable for the current cultivation practices.”
✓ located verbatim in the source · abstract, characters 734–895

t0
“lesser yam”
✓ located verbatim in the source · title, characters 40–50

Title

Performance evaluation of “Ridger type” lesser yam digger

Dnyanesh Vhatkar International Journal of Research in Agronomy 2025. doi:10.33545/2618060x.2025.v8.i1e.2414

Other claims from this paper (12)

Method / resource The digger worked properly only to 260 m depth.
Method / resource At 1 km/h and 20º rake angle, dug tubers capacity was 8520 kg/ha.
Method / resource At 1 km/h and 20º rake angle, damaged tubers percentage was 22%.
Method / resource At 1 km/h and 20º rake angle, undug tubers capacity was 2400 kg/ha.
Method / resource At 1 km/h and 20º rake angle, damaged undug tubers percentage was 38%.
Method / resource At 1 km/h and 20º rake angle, digging efficiency was 78%.
Method / resource At 1 km/h and 20º rake angle, field efficiency was 85%.
Observation Digger development cost was ₹ 4040/-.
Observation Digger operating cost was ₹ 7270 /ha.
Observation Manual digging cost was ₹ 12000/ha.
Method / resource Digger harvest cost was 39.41% below manual harvesting.
Observation The reported net saving in turmeric harvesting was ₹ 4730/ha.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The digger worked properly only to 260 m depth.

Taxon: lesser yamDioscorea esculentat0
Outcome: working properlye0
Value: 260 me0

Verbatim

e0
“the digger was working properly till 260 m depth only.”
✓ located verbatim in the source · abstract, characters 1176–1230

t0
“lesser yam”
✓ located verbatim in the source · title, characters 40–50

Title

Performance evaluation of “Ridger type” lesser yam digger

Dnyanesh Vhatkar International Journal of Research in Agronomy 2025. doi:10.33545/2618060x.2025.v8.i1e.2414

Other claims from this paper (12)

Method / resource The ridger blade performed satisfactorily in field trials but needed modifications.
Method / resource At 1 km/h and 20º rake angle, dug tubers capacity was 8520 kg/ha.
Method / resource At 1 km/h and 20º rake angle, damaged tubers percentage was 22%.
Method / resource At 1 km/h and 20º rake angle, undug tubers capacity was 2400 kg/ha.
Method / resource At 1 km/h and 20º rake angle, damaged undug tubers percentage was 38%.
Method / resource At 1 km/h and 20º rake angle, digging efficiency was 78%.
Method / resource At 1 km/h and 20º rake angle, field efficiency was 85%.
Observation Digger development cost was ₹ 4040/-.
Observation Digger operating cost was ₹ 7270 /ha.
Observation Manual digging cost was ₹ 12000/ha.
Method / resource Digger harvest cost was 39.41% below manual harvesting.
Observation The reported net saving in turmeric harvesting was ₹ 4730/ha.