Paper · 2007 · Journal of Science and Technology (Ghana)

Evaluation of the effect of hedgerow intercropping using Leucaena leucocephala and fertilizer application on growth and yield of garden eggs (Solanum melongena)

T F Insaidoo; S J Quarshie-Sam

10
claims
18
verbatim quotes
1
citations
1
research areas
✓
Open access

Abstract

Field trials were conducted in Ghana to assess the effect of applying Leucaena prunings as mulch and N.P.K., 15-15-15 compound fertilizer on the growth and yield of garden eggs (Solanum melongena) during the 1993 minor and 1994 major cropping seasons. The crop was grown with or without Leucaena mulch as well as 0 kg/ha, 180 kg/ha and 360 kg/ha rates of fertilizer. The crop responded very well to the 15-15-15 compound fertilizer used, since plants without fertilizer had significantly reduced height; more days to flowering, fruiting and harvesting and produced yields far below the potential yield levels of the crop. In both seasons, applying the Leucaena mulch increased the mean yield by 21 percent over the no mulch treatments. Economic analysis of the various treatments showed that: producing the crop during the minor season with rainfall was not profitable; producing the crop during the major season was profitable when the half rate of fertilizer, mulched (F1M1 ); full rate fertilizer, mulched (F2 M1 ) and full rate fertilizer no mulch (F2 M0 ) treatments were applied, with the F1M1 ranking first as the most profitable option. This was shown by the comparative net income per hectare of: ¢1,215,000, ¢1,201,020 and ¢819,020 for the (F1M1 ), (F2M1 ) and (F2M0 ) respectively. Producing garden eggs with Leucaena mulch in hedgerow intercropping could reduce fertilizer requirement, at least by half. Hedgerow intercropping with garden eggs is therefore profitable and may become an attractive alternative to small-scale farmers as prices of inorganic fertilizer continue to increase over the years.Journal of Science and Technology (Ghana) Vol. 27 (2) 2007: pp. 62-70

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 10

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Without fertilizer, garden egg plants were significantly shorter.

Taxon
garden eggs (Solanum melongena)Solanum melongenat0
Treatment
without fertilizere0
Outcome
heighte0
Direction
reducede0

Not reportedComparator

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“plants without fertilizer had significantly reduced height”

✓ located verbatim in the source · abstract, characters 444–502 · show in text ↑
t0

“garden eggs (Solanum melongena)”

✓ located verbatim in the source · title, characters 129–160 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Without fertilizer, garden egg plants took more days to flowering, fruiting and harvesting.

Taxon
garden eggs (Solanum melongena)Solanum melongenat0
Treatment
without fertilizere0
Outcome
days to flowering, fruiting and harvestinge0
Direction
moree0

Not reportedComparator

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“plants without fertilizer had significantly reduced height; more days to flowering, fruiting and harvesting”

✓ located verbatim in the source · abstract, characters 444–551 · show in text ↑
t0

“garden eggs (Solanum melongena)”

✓ located verbatim in the source · title, characters 129–160 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Without fertilizer, garden egg yields were far below potential yield levels.

Taxon
garden eggs (Solanum melongena)Solanum melongenat0
Treatment
without fertilizere0
Outcome
yieldse0
Direction
far belowe0
Comparator
potential yield levelse0

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“plants without fertilizer had significantly reduced height; more days to flowering, fruiting and harvesting and produced yields far below the potential yield levels of the crop”

✓ located verbatim in the source · abstract, characters 444–620 · show in text ↑
t0

“garden eggs (Solanum melongena)”

✓ located verbatim in the source · title, characters 129–160 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Leucaena mulch increased mean garden egg yield by 21 percent over no mulch in both seasons.

Taxon
garden eggs (Solanum melongena)Solanum melongenat0
Treatment
Leucaena mulche0
Outcome
mean yielde0
Direction
increasede0
Value
21 percente0
Qualifier
both seasonse0
Comparator
no mulch treatmentse0

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“In both seasons, applying the Leucaena mulch increased the mean yield by 21 percent over the no mulch treatments”

✓ located verbatim in the source · abstract, characters 622–734 · show in text ↑
t0

“garden eggs (Solanum melongena)”

✓ located verbatim in the source · title, characters 129–160 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Garden egg production in the rainy minor season was not profitable.

Taxon
garden eggs (Solanum melongena)Solanum melongenat0
Outcome
not profitablee0
Setting
minor season with rainfalle0

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“producing the crop during the minor season with rainfall was not profitable”

✓ located verbatim in the source · abstract, characters 793–868 · show in text ↑
t0

“garden eggs (Solanum melongena)”

✓ located verbatim in the source · title, characters 129–160 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

In the major season, the half-rate fertilizer and mulch option was the most profitable, with net income of ¢1,215,000 per hectare.

Taxon
garden eggs (Solanum melongena)Solanum melongenat0
Outcome
comparative net income per hectaree0
Direction
most profitablee0
Value
¢1,215,000e0

Not reportedMaterial

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“F1M1 ranking first as the most profitable option. This was shown by the comparative net income per hectare of: ¢1,215,000”

✓ located verbatim in the source · abstract, characters 1095–1216 · show in text ↑
t0

“garden eggs (Solanum melongena)”

✓ located verbatim in the source · title, characters 129–160 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Full-rate fertilizer with mulch returned net income of ¢1,201,020 per hectare in the major season.

Taxon
garden eggs (Solanum melongena)Solanum melongenat0
Treatment
F2M1e0
Outcome
comparative net income per hectaree0
Value
¢1,201,020e0

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“comparative net income per hectare of: ¢1,215,000, ¢1,201,020 and ¢819,020 for the (F1M1 ), (F2M1 ) and (F2M0 ) respectively”

✓ located verbatim in the source · abstract, characters 1167–1291 · show in text ↑
t0

“garden eggs (Solanum melongena)”

✓ located verbatim in the source · title, characters 129–160 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Full-rate fertilizer without mulch returned net income of ¢819,020 per hectare in the major season.

Taxon
garden eggs (Solanum melongena)Solanum melongenat0
Treatment
F2M0e0
Outcome
comparative net income per hectaree0
Value
¢819,020e0

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“comparative net income per hectare of: ¢1,215,000, ¢1,201,020 and ¢819,020 for the (F1M1 ), (F2M1 ) and (F2M0 ) respectively”

✓ located verbatim in the source · abstract, characters 1167–1291 · show in text ↑
t0

“garden eggs (Solanum melongena)”

✓ located verbatim in the source · title, characters 129–160 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Leucaena mulch in hedgerow intercropping could reduce garden egg fertilizer requirement by at least half.

Taxon
garden eggse0
Treatment
Leucaena mulch in hedgerow intercroppinge0
Outcome
reduce fertilizer requiremente0
Value
at least by halfe0

Verbatim

e0

“Producing garden eggs with Leucaena mulch in hedgerow intercropping could reduce fertilizer requirement, at least by half”

✓ located verbatim in the source · abstract, characters 1293–1414 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend hedgerow intercropping with garden eggs as a profitable option for small-scale farmers.

Taxon
garden eggse0
Outcome
Hedgerow intercropping with garden eggse0
Qualifier
small-scale farmerse0

Verbatim

e0

“Hedgerow intercropping with garden eggs is therefore profitable and may become an attractive alternative to small-scale farmers”

✓ located verbatim in the source · abstract, characters 1416–1543 · show in text ↑

fertilization · phenology · Solanum melongena (eggplant)Results differ

18 papers: 12 positive, 6 negative or no effect

5 papers in the same direction as this paper · 12 in the opposite direction

  1. positive
  2. positive
  3. positive

14 papers more in this group

See all 18 papers →

mulching · yield · Solanum melongena (eggplant)Positive and negative results

41 papers: 39 positive, 2 negative or no effect

38 papers in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. no effect
  3. positive

37 papers more in this group

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fertilization · growth · Solanum melongena (eggplant)Positive and negative results

140 papers: 126 positive, 14 negative or no effect

13 papers in the same direction as this paper · 126 in the opposite direction

  1. positive
  2. positive
  3. positive

136 papers more in this group

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fertilization · yield · Solanum melongena (eggplant)Positive and negative results

219 papers: 194 positive, 25 negative or no effect

24 papers in the same direction as this paper · 194 in the opposite direction

  1. positive
  2. positive
  3. positive

215 papers more in this group

See all 219 papers →

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.