Paper · 2019 · Revistas SARC

Sample size to estimate biomass and productivity of Canavalia ensiformis and Dolichos lablab

Teodoro, Paulo E.; Ribeiro, Larissa P.; Silva, Flávia A. Da; et al.

4
claims
5
verbatim quotes
9
citations
2
research areas
✓
Open access

Abstract

Green manure brings numerous benefits that promote essentially the maintenance and conservation of agro-systems, and its implementation is fundamental to Brazilian Cerrado region. In this scenario, the present research aimed to determine the sample size for the estimation of biomass and productivity expected values of Canavalia ensiformis and Dolichos lablab. The experiment was installed in the experimental area of the State University of Mato Grosso do Sul - Unit University Aquidauana (UEMS/UUA), located in the Brazilian Cerrado. Forty five plants were randomly selected in the experimental area of each crop to determine fresh mass, dry mass and yield. Measures of central tendency, variability, asymmetry and kurtosis were calculated and normality of the variables under study was checked by the Lilliefors test. In C. ensiformis and D. lablab, 259 and 362 plants, respectively, are sufficient for the estimation of evaluated variables, with confidence interval of 95% an estimation error equal to 5% of the observed average. C. ensiformis showed significant high mean values for the fresh mass production, dry mass and yield grain in comparison with the Dolichos lablab, being recommended for cultivation in Brazilian Cerrado.

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Claims 4

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

For Canavalia ensiformis, 259 plants are sufficient to estimate the evaluated variables

Taxon
C. ensiformisCanavalia ensiformise1
Outcome
sufficient for the estimation of evaluated variablese1
Value
259e1
Qualifier
with confidence interval of 95% an estimation error equal to 5% of the observed averagee1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Canavalia ensiformis
Canavalia ensiformis · TaxonLígia Prado · Public domain · Wikimedia Commons ↗

Verbatim

e1

“In C. ensiformis and D. lablab, 259 and 362 plants, respectively, are sufficient for the estimation of evaluated variables, with confidence interval of 95% an estimation error equal to 5% of the observed average”

✓ located verbatim in the source · abstract, characters 822–1033 · show in text ↑
Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

For Dolichos lablab, 362 plants are sufficient to estimate the evaluated variables

Taxon
D. lablabLablab purpureuse1
Outcome
sufficient for the estimation of evaluated variablese1
Value
362e1
Qualifier
with confidence interval of 95% an estimation error equal to 5% of the observed averagee1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Lablab purpureus
Lablab purpureus · TaxonTaken by Fanghong · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“In C. ensiformis and D. lablab, 259 and 362 plants, respectively, are sufficient for the estimation of evaluated variables, with confidence interval of 95% an estimation error equal to 5% of the observed average”

✓ located verbatim in the source · abstract, characters 822–1033 · show in text ↑
Observationobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Canavalia ensiformis had higher fresh mass, dry mass and grain yield than Dolichos lablab

Taxon
C. ensiformisCanavalia ensiformise2
Outcome
fresh mass production, dry mass and yield graine2
Direction
higherinferrede2
Comparator
Dolichos lablabe2

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Canavalia ensiformis
Canavalia ensiformis · TaxonLígia Prado · Public domain · Wikimedia Commons ↗

Verbatim

e2

“C. ensiformis showed significant high mean values for the fresh mass production, dry mass and yield grain in comparison with the Dolichos lablab”

✓ located verbatim in the source · abstract, characters 1035–1179 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Canavalia ensiformis is recommended for cultivation in the Brazilian Cerrado

Taxon
C. ensiformisCanavalia ensiformise2
Outcome
cultivation in Brazilian Cerradoe3

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Canavalia ensiformis
Canavalia ensiformis · TaxonLígia Prado · Public domain · Wikimedia Commons ↗

Verbatim

e2

“C. ensiformis showed significant high mean values for the fresh mass production, dry mass and yield grain in comparison with the Dolichos lablab”

✓ located verbatim in the source · abstract, characters 1035–1179 · show in text ↑
e3

“being recommended for cultivation in Brazilian Cerrado”

✓ located verbatim in the source · abstract, characters 1181–1235 · show in text ↑