Paper · 2019 · Agricultural Science Digest - A Research Journal

Effect of irrigation, nitrogen levels and methods of fertilizer application on growth, yield and profitability of yard long bean [Vigna unguiculata subsp. sesquipedalis (L.) Verdcourt]

R.S. Anjana; K.R. Sheela

8
claims
15
verbatim quotes
0
citations
1
research areas
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Open access · cc-by

Abstract

A field experiment was conducted during the summer, 2014 at College of Agriculture, Vellayani, Kerala to evaluate the influence of irrigation levels, nitrogen stress and method of application of fertilizers on growth and yield of yard long bean. The experiment consisted of four levels of irrigation, two levels of nitrogen and two methods of application. The results indicated that daily irrigation at 10 mm depth and recommended dose of nitrogen (30 kg ha-1) recorded superior values for growth parameters viz., functional leaves per plant and leaf area index The major yield attributes like number of pods per plant and pod yield per plant and total pod yield were not influenced by levels of irrigation and nitrogen indicating that irrigation once in three days at 20 mm depth and nitrogen level of 22.5 kg ha-1 is sufficient for yard long bean. Soil and foliar application of nitrogen and potassium recorded superior growth characters, however, the yield was superior when the recommended dose of nutrients were supplied as soil application. Increasing irrigation interval to three days and imparting N stress did not result in any reduction in gross income and net income while, a higher benefit: cost ratio was noted in irrigation at wider intervals. Soil application of nutrients recorded higher gross income, net income and BCR compared to soil + foliar application.

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

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 8

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Daily irrigation and recommended nitrogen gave superior growth traits.

Treatment
daily irrigation at 10 mm depth and recommended dose of nitrogen (30 kg ha-1)e0
Outcome
functional leaves per plant and leaf area indexe0
Direction
superiore0

Not reportedComparator

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

Vigna unguiculata subsp. sesquipedalis
Vigna unguiculata subsp. sesquipedalis · TaxonDavid · Public domain · Wikimedia Commons ↗

Verbatim

e0

“daily irrigation at 10 mm depth and recommended dose of nitrogen (30 kg ha-1) recorded superior values for growth parameters viz., functional leaves per plant and leaf area index”

✓ located verbatim in the source · abstract, characters 383–561 · show in text ↑
t0

“yard long bean”

✓ located verbatim in the source · title, characters 114–128 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Irrigation and nitrogen levels did not influence pod number or yield.

Treatment
levels of irrigation and nitrogene0
Outcome
number of pods per plant and pod yield per plant and total pod yielde0
Direction
not influencede0

Not reportedComparator

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

Vigna unguiculata subsp. sesquipedalis
Vigna unguiculata subsp. sesquipedalis · TaxonDavid · Public domain · Wikimedia Commons ↗

Verbatim

e0

“number of pods per plant and pod yield per plant and total pod yield were not influenced by levels of irrigation and nitrogen”

✓ located verbatim in the source · abstract, characters 594–719 · show in text ↑
t0

“yard long bean”

✓ located verbatim in the source · title, characters 114–128 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil and foliar nitrogen and potassium gave superior growth characters.

Treatment
Soil and foliar application of nitrogen and potassiume0
Outcome
growth characterse0
Direction
superiore0

Not reportedComparator

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

Vigna unguiculata subsp. sesquipedalis
Vigna unguiculata subsp. sesquipedalis · TaxonDavid · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Soil and foliar application of nitrogen and potassium recorded superior growth characters”

✓ located verbatim in the source · abstract, characters 850–939 · show in text ↑
t0

“yard long bean”

✓ located verbatim in the source · title, characters 114–128 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil application of recommended nutrients gave superior yield.

Treatment
recommended dose of nutrients were supplied as soil applicatione0
Outcome
yielde0
Direction
superiore0

Not reportedComparator

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

Vigna unguiculata subsp. sesquipedalis
Vigna unguiculata subsp. sesquipedalis · TaxonDavid · Public domain · Wikimedia Commons ↗

Verbatim

e0

“yield was superior when the recommended dose of nutrients were supplied as soil application”

✓ located verbatim in the source · abstract, characters 954–1045 · show in text ↑
t0

“yard long bean”

✓ located verbatim in the source · title, characters 114–128 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Wider irrigation intervals and nitrogen stress did not reduce gross or net income.

Treatment
Increasing irrigation interval to three days and imparting N stresse0
Outcome
gross income and net incomee0
Direction
did not result in any reductione0

Not reportedComparator

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

Vigna unguiculata subsp. sesquipedalis
Vigna unguiculata subsp. sesquipedalis · TaxonDavid · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Increasing irrigation interval to three days and imparting N stress did not result in any reduction in gross income and net income”

✓ located verbatim in the source · abstract, characters 1047–1177 · show in text ↑
t0

“yard long bean”

✓ located verbatim in the source · title, characters 114–128 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Wider irrigation intervals had a higher benefit: cost ratio.

Treatment
irrigation at wider intervalse0
Outcome
benefit: cost ratioe0
Direction
highere0

Not reportedComparator

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

Vigna unguiculata subsp. sesquipedalis
Vigna unguiculata subsp. sesquipedalis · TaxonDavid · Public domain · Wikimedia Commons ↗

Verbatim

e0

“a higher benefit: cost ratio was noted in irrigation at wider intervals”

✓ located verbatim in the source · abstract, characters 1185–1256 · show in text ↑
t0

“yard long bean”

✓ located verbatim in the source · title, characters 114–128 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil nutrient application gave higher income and BCR than soil plus foliar application.

Treatment
Soil application of nutrientse0
Outcome
gross income, net income and BCRe0
Direction
highere0
Comparator
soil + foliar applicatione0

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

Vigna unguiculata subsp. sesquipedalis
Vigna unguiculata subsp. sesquipedalis · TaxonDavid · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Soil application of nutrients recorded higher gross income, net income and BCR compared to soil + foliar application”

✓ located verbatim in the source · abstract, characters 1258–1374 · show in text ↑
t0

“yard long bean”

✓ located verbatim in the source · title, characters 114–128 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Irrigation every three days and 22.5 kg ha-1 nitrogen were considered sufficient.

Outcome
irrigation once in three days at 20 mm depth and nitrogen level of 22.5 kg ha-1 is sufficiente0

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

Vigna unguiculata subsp. sesquipedalis
Vigna unguiculata subsp. sesquipedalis · TaxonDavid · Public domain · Wikimedia Commons ↗

Verbatim

e0

“irrigation once in three days at 20 mm depth and nitrogen level of 22.5 kg ha-1 is sufficient for yard long bean”

✓ located verbatim in the source · abstract, characters 736–848 · show in text ↑

nitrogen · yield · Vigna unguiculata (cowpea)Results differ

68 papers: 62 positive, 6 negative or no effect

5 papers in the same direction as this paper · 62 in the opposite direction

  1. positive
  2. positive
  3. positive

64 papers more in this group

See all 68 papers →

potassium · growth · Vigna unguiculata (cowpea)Positive and negative results

19 papers: 18 positive, 1 negative or no effect

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

  1. negative
  2. positive
  3. positive

15 papers more in this group

See all 19 papers →

irrigation · growth · Vigna unguiculata (cowpea)Positive and negative results

24 papers: 15 positive, 9 negative or no effect

14 papers in the same direction as this paper · 9 in the opposite direction

  1. negative
  2. negative
  3. negative

20 papers more in this group

See all 24 papers →

nitrogen · growth · Vigna unguiculata (cowpea)Positive and negative results

45 papers: 39 positive, 6 negative or no effect

38 papers in the same direction as this paper · 6 in the opposite direction

  1. negative
  2. no effect
  3. no effect

41 papers more in this group

See all 45 papers →

application · growth · Vigna unguiculata (cowpea)Positive and negative results

59 papers: 53 positive, 6 negative or no effect

52 papers in the same direction as this paper · 6 in the opposite direction

  1. no effect
  2. no effect
  3. negative

55 papers more in this group

See all 59 papers →

irrigation · yield · Vigna unguiculata (cowpea)Positive and negative results

61 papers: 50 positive, 11 negative or no effect

49 papers in the same direction as this paper · 10 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

57 papers more in this group

See all 61 papers →

application · yield · Vigna unguiculata (cowpea)Positive and negative results

126 papers: 112 positive, 14 negative or no effect

111 papers in the same direction as this paper · 12 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. negative

122 papers more in this group

See all 126 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.