Paper · 1989 · Journal of Agronomy and Crop Science

Effect of Method of Inoculation and Nitrogen Fertilizer on Nodulation and Yield of Selected Tropical Legumes

U. R. Sangakkara; B. Marambe

6
claims
8
verbatim quotes
2
citations
2
research areas
—
Not open access

Abstract

Abstract Many factors affect nodulation of legumes of which, nitrogen fertilizer and method of inoculation play a vital role. Thus, a study evaluated the effects of the above factors on nodulation and yields of two common tropical food legumes, namely Mungbean and Bushbeans which are considered extensive and poor nodulatingo species respectively. Inoculation increased nodulation of bushbeans and to a lesser extent in mungbeans. This effect was more evident with time. Nodulation was reduced in the presence of nitrogen fertilizer, and the effect was more pronounced in the extensively nodulating species, mungbean. Nitrogen and nodulation increased yields of both species. The results indicate the inability of bushbeans and to a lesser extent mungbean, to meet all nitrogen requirements by nodulation and nitrogen fixation alone. This suggests the need for some fertilizer nitrogen for tropical legumes in addition to inoculation to obtain optimal yields.

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Inoculation increased bushbean nodulation.

Taxon
bushbeanse0
Treatment
Inoculatione0
Outcome
nodulatione0
Direction
increasede0

Not reportedComparator

Verbatim

e0

“Inoculation increased nodulation of bushbeans”

✓ located verbatim in the source · abstract, characters 349–394 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Inoculation increased mungbean nodulation to a lesser extent.

Taxon
mungbeansVigna radiatae0
Treatment
Inoculatione0
Outcome
nodulatione0
Direction
increasede0

Not reportedComparator

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Inoculation increased nodulation of bushbeans and to a lesser extent in mungbeans”

✓ located verbatim in the source · abstract, characters 349–430 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen fertilizer reduced legume nodulation, more strongly in mungbean.

Taxon
mungbeanVigna radiatae0
Treatment
nitrogen fertilizere0
Outcome
Nodulatione0
Direction
reducede0

Not reportedComparator

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Nodulation was reduced in the presence of nitrogen fertilizer, and the effect was more pronounced in the extensively nodulating species, mungbean”

✓ located verbatim in the source · abstract, characters 472–617 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen increased yields of both species.

Taxon
Mungbean and Bushbeanse1
Treatment
Nitrogene0
Outcome
yieldse0
Direction
increasede0

Not reportedComparator

Verbatim

e0

“Nitrogen and nodulation increased yields of both species”

✓ located verbatim in the source · abstract, characters 619–675 · show in text ↑
e1

“Mungbean and Bushbeans”

✓ located verbatim in the source · abstract, characters 252–274 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Nodulation increased yields of both species.

Taxon
Mungbean and Bushbeanse1
Organ / stage
nodulatione0
Outcome
yieldse0
Direction
increasede0

Verbatim

e0

“Nitrogen and nodulation increased yields of both species”

✓ located verbatim in the source · abstract, characters 619–675 · show in text ↑
e1

“Mungbean and Bushbeans”

✓ located verbatim in the source · abstract, characters 252–274 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend fertilizer nitrogen in addition to inoculation for optimal tropical legume yields.

Taxon
tropical legumese0
Outcome
some fertilizer nitrogen for tropical legumes in addition to inoculatione0

Verbatim

e0

“need for some fertilizer nitrogen for tropical legumes in addition to inoculation to obtain optimal yields”

✓ located verbatim in the source · abstract, characters 853–959 · show in text ↑

inoculation · symbiosis · Vigna radiata (mung bean)Results differ

81 papers: 79 positive, 2 negative or no effect

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

  1. no effect
  2. no effect
  3. positive

77 papers more in this group

See all 81 papers →

fertilization · symbiosis · Vigna radiata (mung bean)Positive and negative results

69 papers: 67 positive, 2 negative or no effect

1 paper in the same direction as this paper · 67 in the opposite direction

  1. positive
  2. positive
  3. positive

65 papers more in this group

See all 69 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.