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Organism names are matched through NCBI Taxonomy: “cassava” → Manihot esculenta. Claims whose organism was placed there count as matches whatever the abstract calls it (maize, corn, Zea mays).

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Cassava fresh root yield and yield components were not significantly affected by tillage practices.

Treatment
tillage practicese1
Outcome
fresh root yield and yield componentse1
Direction
not significantly affectede1

Not reportedComparator

Verbatim

e1

“cassava fresh root yield and yield components were not significantly affected by tillage practices”

✓ located verbatim in the source · abstract, characters 989–1087

Title

Effects of tillage practices on growth and yield of cassava (Manihot esculenta) and some soil properties in Ajibode, South-western Nigeria

EmilOlorun A. Aiyelari; N. U. Ndaeyo; A. A. Agboola The Indian Journal of Agricultural Sciences 2001

Other claims from this paper (10)
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Tillage practices did not significantly affect cassava fresh root yield and yield components.

Treatment
tillage practicese7
Outcome
cassava fresh root yield and yield componentse7
Direction
no_changeinferrede7
Setting
Teaching and Research Farm, University of Ibadan, Nigeriae1

Not reportedComparator

Verbatim

e1

“studies were conducted in 1994 and 1995 growing seasons at the Teaching and Research Farm, University of Ibadan, Nigeria to evaluate the productivity of cassava and soil properties”

✓ located verbatim in the source · abstract, characters 119–299
e7

“in both years, cassava fresh root yield and yield components were not significantly affected by tillage practices”

✓ located verbatim in the source · abstract, characters 966–1079

Title

Effects of Tillage Practices on Growth and Yield of Cassava (Manihot esculenta Crantz) and some Soil Properties in Ibadan, Southwestern Nigeria

Ndaeyo, NU.; Aiyellari, EA.; Agboola, AA. DOAJ (DOAJ: Directory of Open Access Journals) 2002

Other claims from this paper (10)
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Cassava improvement could be achieved through the characters with positive and highly significant effects on fresh root yield.

Outcome
cassava improvemente7

Verbatim

t0

“Assessment of yield components of some cassava (Manihot esculentaCrantz) genotypes”

✓ located verbatim in the source · title, characters 0–82
e7

“cassava improvement could be achieved through these characters that have positive and highly significant magnitude effect on fresh root yield”

✓ located verbatim in the source · abstract, characters 2191–2332

Title

Assessment of yield components of some cassava (Manihot esculentaCrantz) genotypes using multivariate analysis such as path coefficients

Damian Ndubuisi Njoku; Emmanuel Ukaobasi Mbah Open Agriculture 2020. doi:10.1515/opag-2020-0051

Other claims from this paper (8)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Cassava fresh root yield ranged from 4.83 to 37.23 t ha−1.

Outcome
FRYe0
Value
4.83 to 37.23 t ha−1e0

Not reportedDirection

Verbatim

e0

“The FRY varied from 4.83 to 37.23 t ha−1”

✓ located verbatim in the source · abstract, characters 648–688
t0

“cassava root yield”

✓ located verbatim in the source · title, characters 16–34

Title

Variability for cassava root yield and yield components among half-sib cassava progenies

Esperance D. Codjia; Bunmi Olasanmi; Ibukunolu Oluwadamilola Udemba; et al. Journal of Crop Improvement 2025. doi:10.1080/15427528.2025.2470444

Other claims from this paper (9)
Observationobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Cassava genotype NR110315 exhibited the highest fresh root yield among the 28 genotypes tested.

Material
NR110315e0
Outcome
fresh root yielde0
Direction
higheste0
Comparator
twenty-eight genotypese0

Verbatim

t0

“Assessment of yield components of some cassava (Manihot esculentaCrantz) genotypes”

✓ located verbatim in the source · title, characters 0–82
e0

“The results indicated that the newly developed cassava genotypes [2] NR110315 followed by [20] B1-5 and [1] NR110238 exhibited ( P < 0.05) highest fresh root yield among the twenty-eight genotypes tested”

✓ located verbatim in the source · abstract, characters 783–986

Title

Assessment of yield components of some cassava (Manihot esculentaCrantz) genotypes using multivariate analysis such as path coefficients

Damian Ndubuisi Njoku; Emmanuel Ukaobasi Mbah Open Agriculture 2020. doi:10.1515/opag-2020-0051

Other claims from this paper (8)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Cyanide potential had a direct, weak and negative effect on fresh root yield.

Treatment
Cyanide potentiale5
Outcome
fresh root yielde5
Direction
negativee5

Verbatim

t0

“Assessment of yield components of some cassava (Manihot esculentaCrantz) genotypes”

✓ located verbatim in the source · title, characters 0–82
e5

“Cyanide potential exhibited a direct, weak and negative effect on fresh root yield”

✓ located verbatim in the source · abstract, characters 2072–2154

Title

Assessment of yield components of some cassava (Manihot esculentaCrantz) genotypes using multivariate analysis such as path coefficients

Damian Ndubuisi Njoku; Emmanuel Ukaobasi Mbah Open Agriculture 2020. doi:10.1515/opag-2020-0051

Other claims from this paper (8)
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Cassava fresh root yield correlated significantly with roots, harvest index, shoot weight, and stands harvested.

Organ / stage
rootse0
Outcome
fresh root yielde0

Not reportedDirection

Verbatim

t0

“Cassava”

✓ located verbatim in the source · title, characters 80–87
e0

“fresh root yield was significantly correlated (P<0.001) with number of roots, harvest index, shoot weight and number of stands harvested”

✓ located verbatim in the source · abstract, characters 513–649

Title

G×E Interaction Effects on Yield and Yield Components of Landraces and Improved Cassava Genotypes in the Savanna Regions of Nigeria

Ilona Paul 2010

Other claims from this paper (5)
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Weight of fresh marketable roots per plant and root length contributed positively and directly to fresh root yield.

Treatment
weight of fresh marketable roots per plant and root lengthe3
Outcome
fresh root yielde3
Direction
positivelye3

Verbatim

t0

“Assessment of yield components of some cassava (Manihot esculentaCrantz) genotypes”

✓ located verbatim in the source · title, characters 0–82
e3

“LAI, starch content, above ground dry matter (AGDM), weight of fresh marketable roots per plant and root length that contributed positively and directly to higher fresh root yield require greater attention”

✓ located verbatim in the source · abstract, characters 1458–1663

Title

Assessment of yield components of some cassava (Manihot esculentaCrantz) genotypes using multivariate analysis such as path coefficients

Damian Ndubuisi Njoku; Emmanuel Ukaobasi Mbah Open Agriculture 2020. doi:10.1515/opag-2020-0051

Other claims from this paper (8)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Total carotenoids were negatively correlated with fresh root yield.

Compound
Total carotenoidse1
Outcome
fresh root yielde1
Direction
negatively correlatede1

Verbatim

e0

“Cassava is an important root crop in sub-Saharan Africa”

✓ located verbatim in the source · abstract, characters 0–55
e1

“Total carotenoids were negatively correlated with fresh root yield”

✓ located verbatim in the source · abstract, characters 762–828

Title

Combining Ability and Genetic Components of Yield Characteristics, Dry Matter Content, and Total Carotenoids in Provitamin A Cassava F1 Cross-Progeny

Elizabeth Parkes; Olufemi Aina; Akuwa Kingsley; et al. Agronomy 2020. doi:10.3390/agronomy10121850

Other claims from this paper (7)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Fresh root yield in provitamin A cassava was mainly determined by non-additive genetic effects.

Outcome
Fresh root yielde1
Qualifier
mainly determined by non-additive genetic effectse1

Verbatim

e0

“Cassava is an important root crop in sub-Saharan Africa”

✓ located verbatim in the source · abstract, characters 0–55
e1

“Fresh root yield was mainly determined by non-additive genetic effects, while dry matter content and total carotenoids were determined by additive effects”

✓ located verbatim in the source · abstract, characters 606–760

Title

Combining Ability and Genetic Components of Yield Characteristics, Dry Matter Content, and Total Carotenoids in Provitamin A Cassava F1 Cross-Progeny

Elizabeth Parkes; Olufemi Aina; Akuwa Kingsley; et al. Agronomy 2020. doi:10.3390/agronomy10121850

Other claims from this paper (7)

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