Paper · 2021 · Plant

Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato (Lycopersicum esculentum L.) in Lowlands of Eastern Harerghe

Gebisa Benti; Fikadu Tadesse; Gezu Degefa; et al.

9
claims
20
verbatim quotes
2
citations
1
research areas
✓
Open access · cc-by

Abstract

Organic fertilizers improve the soil texture, structures, aeration and allow it to hold water longer, and increase the bacterial and fungal activity in the soil. So, they not only assist your plants, they help the soil. Increasing the use of organic fertilizers and minimizing the use of chemical fertilizers lead to sustainable production of food for human being. Shifting crop production to the use of organic fertilizers can minimize the cost of purchasing chemical fertilizers. Insufficient amount of nutrients in the soil is also among the main factors which constrained productivity of the tomato. Due to this gap the experiment was conducted in Sofi district, Harari People Regional State, Ethiopia in 2016 and 2017 cropping season to investigate the effect of vermicompost and nitrogen rate on yield and yield components of tomato. Experimental treatments were vermicompost rate (0, 1.4, 2.8 and 4.2 t ha-1) and nitrogen rate (0, 50, 100 and 150 kg ha-1). A total of 16 treatments were laid out in Randomized Complete Block Design (RCBD) in factorial arrangement with three replications. Melkashola Variety was used for the experiment. The result showed that plant height was significantly (P<0.05) influenced by the application of vermicompost while number of branches, number of clusters, number of fruits, average fruit weight and fruit yield were significantly (P<0.05) affected due to the interaction effect of vermicompost and nitrogen.. The highest plant height was rerecorded at 2.8 t ha-1 of vermicompost whereas the lowest was for the rest rates. Maximum number of clusters, number of fruits and fruit yield were obtained at combined application of 2.8 t ha-1 of vermicompost with 100 kg ha-1 N while maximum number of branches and average fruit weight were recorded at 2.8 t ha-1 with 150 kg ha-1 N and 4.2 t ha-1 with 50 kg ha-1 N respectively. Maximum economic return (461,606 birr ha-1) was also recorded at 2.8 t ha-1 and 100 kg ha-1 vermicompost and nitrogen, respectively with acceptable marginal rate of return. In general, the combination of vermicompost and nitrogen at 2.8 t ha-1 and 100 kg ha-1 was the best combination for the study area.

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

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Claims 9

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Vermicompost application significantly influenced tomato plant height (P<0.05) in Sofi district, Ethiopia.

Material
Melkasholae2
Treatment
vermicomposte1
Outcome
plant heighte1
Setting
Sofi district, Harari People Regional State, Ethiopiae3

Not reportedComparatorDirection

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e1

“The result showed that plant height was significantly (P<0.05) influenced by the application of vermicompost”

✓ located verbatim in the source · abstract, characters 1144–1252 · show in text ↑
e2

“Melkashola Variety was used for the experiment”

✓ located verbatim in the source · abstract, characters 1096–1142 · show in text ↑
e3

“the experiment was conducted in Sofi district, Harari People Regional State, Ethiopia in 2016 and 2017 cropping season”

✓ located verbatim in the source · abstract, characters 620–738 · show in text ↑
Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

The vermicompost by nitrogen interaction significantly affected the number of branches, clusters and fruits of tomato (P<0.05).

Treatment
interaction effect of vermicompost and nitrogene4
Outcome
number of branches, number of clusters, number of fruitse4

Not reportedComparatorDirection

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e4

“number of branches, number of clusters, number of fruits, average fruit weight and fruit yield were significantly (P<0.05) affected due to the interaction effect of vermicompost and nitrogen”

✓ located verbatim in the source · abstract, characters 1259–1449 · show in text ↑
Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

The vermicompost by nitrogen interaction significantly affected the average fruit weight and fruit yield of tomato (P<0.05).

Treatment
interaction effect of vermicompost and nitrogene4
Outcome
average fruit weight and fruit yielde4

Not reportedComparatorDirection

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e4

“number of branches, number of clusters, number of fruits, average fruit weight and fruit yield were significantly (P<0.05) affected due to the interaction effect of vermicompost and nitrogen”

✓ located verbatim in the source · abstract, characters 1259–1449 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined application of 2.8 t/ha vermicompost with 100 kg/ha N gave the maximum number of clusters, number of fruits and fruit yield.

Treatment
combined application of 2.8 t ha-1 of vermicompost with 100 kg ha-1 Ne5
Outcome
number of clusters, number of fruits and fruit yielde5
Direction
Maximume5

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e5

“Maximum number of clusters, number of fruits and fruit yield were obtained at combined application of 2.8 t ha-1 of vermicompost with 100 kg ha-1 N”

✓ located verbatim in the source · abstract, characters 1565–1712 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The maximum number of branches was recorded at 2.8 t/ha vermicompost with 150 kg/ha N.

Treatment
2.8 t ha-1 with 150 kg ha-1 Ne6
Outcome
number of branchese6
Direction
maximume6

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e6

“maximum number of branches and average fruit weight were recorded at 2.8 t ha-1 with 150 kg ha-1 N and 4.2 t ha-1 with 50 kg ha-1 N respectively”

✓ located verbatim in the source · abstract, characters 1719–1863 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The maximum average fruit weight was recorded at 4.2 t/ha vermicompost with 50 kg/ha N.

Treatment
4.2 t ha-1 with 50 kg ha-1 Ne6
Outcome
average fruit weighte6
Direction
maximume6

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e6

“maximum number of branches and average fruit weight were recorded at 2.8 t ha-1 with 150 kg ha-1 N and 4.2 t ha-1 with 50 kg ha-1 N respectively”

✓ located verbatim in the source · abstract, characters 1719–1863 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The maximum economic return (461,606 birr/ha) was obtained at 2.8 t/ha vermicompost and 100 kg/ha N, with an acceptable marginal rate of return.

Treatment
2.8 t ha-1 and 100 kg ha-1 vermicompost and nitrogene7
Outcome
economic returne7
Direction
Maximume7
Value
461,606 birr ha-1e7
Qualifier
acceptable marginal rate of returne7

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e7

“Maximum economic return (461,606 birr ha-1) was also recorded at 2.8 t ha-1 and 100 kg ha-1 vermicompost and nitrogen, respectively with acceptable marginal rate of return”

✓ located verbatim in the source · abstract, characters 1865–2036 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The highest plant height was recorded at 2.8 t/ha vermicompost, while the other rates gave the lowest plant height.

Treatment
2.8 t ha-1 of vermicomposte1
Outcome
plant heighte1
Direction
higheste1
Comparator
the rest ratese1

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e1

“The highest plant height was rerecorded at 2.8 t ha-1 of vermicompost whereas the lowest was for the rest rates”

✓ located verbatim in the source · abstract, characters 1452–1563 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The combination of 2.8 t/ha vermicompost and 100 kg/ha N was the best combination for the study area.

Treatment
vermicompost and nitrogen at 2.8 t ha-1 and 100 kg ha-1e1
Outcome
best combinatione1

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Integrated Effects of Vermicompost and Nitrogen on Yield and Yield Components of Tomato”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
e1

“In general, the combination of vermicompost and nitrogen at 2.8 t ha-1 and 100 kg ha-1 was the best combination for the study area”

✓ located verbatim in the source · abstract, characters 2038–2168 · show in text ↑

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nitrogen · yield · Solanum lycopersicum (tomato)Positive and negative results

210 papers: 172 positive, 38 negative or no effect

171 papers in the same direction as this paper · 31 in the opposite direction · 7 reporting no difference from an alternative

  1. negative
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fertilization · yield · Solanum lycopersicum (tomato)Positive and negative results

978 papers: 850 positive, 128 negative or no effect

849 papers in the same direction as this paper · 104 in the opposite direction · 24 reporting no difference from an alternative

  1. positive
  2. positive
  3. no effect

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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.