Paper · 2021 · E3S Web of Conferences

Economic prospects of a rubber-cassava agroforestry in Nigeria

T.U. Esekhade; S.O. Idoko; C.S. Mesike; et al.

8
claims
10
verbatim quotes
0
citations
2
research areas
✓
Open access · cc-by

Abstract

A study to determine the financial benefits of intercropping immature rubber plantation with cassava in South Eastern Nigeria was carried out at the Rubber Research Institute of Nigeria, Iyanomo near Benin City. The study was set up in a randomized complete block design with each treatment replicated three times. Yield data generated were used to determine the profitability of the systems. The results showed economic yield from rubber as the rubber trees did not attain tappable girth throughout the duration of the study. a mean yield of about 25.72 tonnes of cassava tuber were generated from the sole cassava treatments for the four years period while a mean yield of about 22.92 tonnes of cassava tuber per hectare were generated from the cassava + rubber intercrop treatments in the same period. A total amount of 160,000 Naira was spent in four years as cost of intercropping. Total revenue generated from the sales of cassava in the rubber + cassava system was 900, 000.00 Naira per hectare with a Gross Margin and profit margin of 740,000 Naira and 673, 090.98 Naira respectively. A profitability index of the rubber + cassava system was 0.75, indicating that, 75% of the total amount invested in the rubber + cassava system was recovered in the first four years compared to the additional costs incurred in the sole rubber plantation treatment. This study showed that intercropping cassava with rubber during the immature phase of rubber plantation guarantee early return on investment and more profitable compared with sole rubber plantation systems.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

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Claims 8

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Rubber trees did not attain tappable girth, so no economic yield from rubber was obtained during the study.

Taxon
rubbere0
Outcome
economic yield from rubbere0
Qualifier
did not attain tappable girthe0

Verbatim

e0

“The results showed economic yield from rubber as the rubber trees did not attain tappable girth throughout the duration of the study”

✓ located verbatim in the source · abstract, characters 393–525 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cassava tuber yield under cassava + rubber intercropping was lower than under sole cassava, at about 22.92 tonnes per hectare versus 25.72 tonnes.

Treatment
cassava + rubber intercrope1
Outcome
cassava tubere1
Direction
lowerinferrede1
Value
22.92 tonnese1
Comparator
sole cassavae1

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“a mean yield of about 25.72 tonnes of cassava tuber were generated from the sole cassava treatments for the four years period while a mean yield of about 22.92 tonnes of cassava tuber per hectare were generated from the cassava + rubber intercrop treatments”

✓ located verbatim in the source · abstract, characters 527–784 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Total revenue from cassava sales in the rubber + cassava system was 900,000 Naira per hectare.

Outcome
Total revenuee2
Value
900, 000.00 Naira per hectaree2
Qualifier
rubber + cassava systeme2

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e2

“Total revenue generated from the sales of cassava in the rubber + cassava system was 900, 000.00 Naira per hectare”

✓ located verbatim in the source · abstract, characters 887–1001 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Gross margin of the rubber + cassava system was 740,000 Naira.

Taxon
rubbere0
Outcome
Gross Margine3
Value
740,000 Nairae3

Verbatim

e0

“economic yield from rubber”

✓ located verbatim in the source · abstract, characters 412–438 · show in text ↑
e3

“with a Gross Margin and profit margin of 740,000 Naira and 673, 090.98 Naira respectively”

✓ located verbatim in the source · abstract, characters 1002–1091 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Profit margin of the rubber + cassava system was 673,090.98 Naira.

Taxon
rubbere0
Outcome
profit margine3
Value
673, 090.98 Nairae3

Verbatim

e0

“economic yield from rubber”

✓ located verbatim in the source · abstract, characters 412–438 · show in text ↑
e3

“with a Gross Margin and profit margin of 740,000 Naira and 673, 090.98 Naira respectively”

✓ located verbatim in the source · abstract, characters 1002–1091 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The profitability index of the rubber + cassava system was 0.75, so 75% of the investment was recovered in the first four years.

Taxon
rubbere4
Outcome
profitability indexe4
Value
0.75e4
Qualifier
in the first four yearse4

Verbatim

e4

“A profitability index of the rubber + cassava system was 0.75, indicating that, 75% of the total amount invested in the rubber + cassava system was recovered in the first four years”

✓ located verbatim in the source · abstract, characters 1093–1274 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Intercropping cassava with immature rubber guarantees early return on investment compared with sole rubber plantation.

Taxon
rubbere5
Treatment
intercropping cassava with rubber during the immature phase of rubber plantatione5
Outcome
early return on investmente5
Direction
guaranteee5
Comparator
sole rubber plantation systemse5

Verbatim

e5

“intercropping cassava with rubber during the immature phase of rubber plantation guarantee early return on investment and more profitable compared with sole rubber plantation systems”

✓ located verbatim in the source · abstract, characters 1381–1563 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Intercropping cassava with immature rubber is more profitable than sole rubber plantation.

Taxon
rubbere5
Treatment
intercropping cassava with rubber during the immature phase of rubber plantatione5
Outcome
profitablee5
Direction
more profitablee5
Comparator
sole rubber plantation systemse5

Verbatim

e5

“intercropping cassava with rubber during the immature phase of rubber plantation guarantee early return on investment and more profitable compared with sole rubber plantation systems”

✓ located verbatim in the source · abstract, characters 1381–1563 · show in text ↑

intercropping · organism · Manihot esculenta (cassava)Positive and negative results

5 papers: 4 positive, 1 negative or no effect

4 in the opposite direction

  1. positive
  2. positive
  3. positive

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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.