Paper · 2011 · Journal of Soil Science and Environmental Management

Effect of Sesbania sesban fallows on Striga infestation and maize yield in Tabora Region of Western Tanzania

Peter Matata; B.M. Gama; A. M. Mbwaga; et al.

3
claims
7
verbatim quotes
6
citations
2
research areas
✓
Open access

Abstract

The One of the major constraints to maize production in most farmers’ fields in Tabora region are is nitrogen deficiency and Striga infestation. Trials to investigate the effect of Sesbania sesban improved fallows on Striga infestation and maize yield were conducted on farmer’s fields in Tabora and Nzega districts for a period of three years (2003 - 2005). Results showed that application of S. sesban green manure after a two year fallow led to a reduction of Strigainfestation from 10.8 counts/8 m2 of unfertized plots to 0.8 counts/8 m2 of S. sesban plots as well as increase maize yield from 418 kg ha-1 in the unfertilized plots to 1366 kg ha-1 for the S. sesban plots. The S. sesban fallow reduced Striga incidences by 88% after incorporation of the leafy biomass into plots in the third year of the trial. The study on the effect of the fallows on reduction of Striga incidences has clearly demonstrated that application of Sesbania manure can reduce Striga infestation on sandy soils of Tabora. Key words: Maize, Sesbania sesban, Striga incidence, Tabora.

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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 3

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sesbania sesban green manure after a two-year fallow reduced Striga infestation from 10.8 to 0.8 counts/8 m2 relative to unfertilized plots.

Taxon
maizeZea mayse0
Treatment
application of S. sesban green manure after a two year fallowe1
Interactor
StrigaStrigae1parasite
Outcome
Strigainfestatione1
Direction
reductione1
Value
0.8 counts/8 m2e1
Qualifier
10.8 counts/8 m2 of unfertized plotse1
Comparator
unfertized plotse1
Setting
farmer’s fields in Tabora and Nzega districtse0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗
Striga
Striga · Interactor · picture of the genus (one of its species)Marco Schmidt [1] · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

e0

“Trials to investigate the effect of Sesbania sesban improved fallows on Striga infestation and maize yield were conducted on farmer’s fields in Tabora and Nzega districts”

✓ located verbatim in the source · abstract, characters 145–315 · show in text ↑
e1

“application of S. sesban green manure after a two year fallow led to a reduction of Strigainfestation from 10.8 counts/8 m2 of unfertized plots to 0.8 counts/8 m2 of S. sesban plots”

✓ located verbatim in the source · abstract, characters 379–560 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sesbania sesban green manure after a two-year fallow increased maize yield from 418 to 1366 kg/ha compared with unfertilized plots.

Taxon
maizeZea mayse0
Treatment
application of S. sesban green manure after a two year fallowe1
Outcome
maize yielde2
Direction
increasee2
Value
1366 kg ha-1e2
Comparator
unfertilized plotse2
Setting
farmer’s fields in Tabora and Nzega districtse0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Trials to investigate the effect of Sesbania sesban improved fallows on Striga infestation and maize yield were conducted on farmer’s fields in Tabora and Nzega districts”

✓ located verbatim in the source · abstract, characters 145–315 · show in text ↑
e1

“application of S. sesban green manure after a two year fallow led to a reduction of Strigainfestation from 10.8 counts/8 m2 of unfertized plots to 0.8 counts/8 m2 of S. sesban plots”

✓ located verbatim in the source · abstract, characters 379–560 · show in text ↑
e2

“increase maize yield from 418 kg ha-1 in the unfertilized plots to 1366 kg ha-1 for the S. sesban plots”

✓ located verbatim in the source · abstract, characters 572–675 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The S. sesban fallow reduced Striga incidences by 88% after incorporation of the leafy biomass in the third year of the trial.

Taxon
maizeZea mayse0
Treatment
S. sesban fallowe3
Interactor
StrigaStrigae3parasite
Outcome
Striga incidencese3
Direction
reducede3
Value
88%e3
Qualifier
after incorporation of the leafy biomass into plots in the third year of the triale3
Setting
farmer’s fields in Tabora and Nzega districtse0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗
Striga
Striga · Interactor · picture of the genus (one of its species)Marco Schmidt [1] · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

e0

“Trials to investigate the effect of Sesbania sesban improved fallows on Striga infestation and maize yield were conducted on farmer’s fields in Tabora and Nzega districts”

✓ located verbatim in the source · abstract, characters 145–315 · show in text ↑
e3

“The S. sesban fallow reduced Striga incidences by 88% after incorporation of the leafy biomass into plots in the third year of the trial”

✓ located verbatim in the source · abstract, characters 677–813 · show in text ↑

Sesbania sesban · yield · Zea mays (maize)Positive and negative results

9 papers: 7 positive, 2 negative or no effect

6 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. positive

5 papers more in this group

See all 9 papers →

Sesbania sesban · Striga · Zea mays (maize)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

fertilization · Striga · Zea mays (maize)Positive and negative results

6 papers: 4 positive, 2 negative or no effect

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

  1. no effect
  2. negative
  3. positive

2 papers more in this group

See all 6 papers →

rotation · Striga · Zea mays (maize)Positive and negative results

7 papers: 6 positive, 1 negative or no effect

5 papers in the same direction as this paper · 1 in the opposite direction

  1. no effect
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

rotation · yield · Zea mays (maize)Positive and negative results

322 papers: 254 positive, 68 negative or no effect

253 papers in the same direction as this paper · 52 in the opposite direction · 16 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

318 papers more in this group

See all 322 papers →

fertilization · yield · Zea mays (maize)Positive and negative results

3,908 papers: 3,485 positive, 423 negative or no effect

3,484 papers in the same direction as this paper · 338 in the opposite direction · 85 reporting no difference from an alternative

  1. negative
  2. no effect
  3. negative

3,904 papers more in this group

See all 3,908 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.