Paper · 2020 · International Journal of Chemical Studies

Effect of plant densities and nitrogen levels on cob yield and quality parameters of sweet corn (Zea mays L. Saccharata) in irrigated ecosystem

Abhishek N; Basavanneppa MA

11
claims
44
verbatim quotes
6
citations
2
research areas
✓
Open access

Abstract

A field trail was conducted during kharif 2017-18 to study the effect of plant densities and nitrogen levels on cob yield and quality parameters of sweet corn (Zea mays L. Saccharata) in irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka. The soil of the experimental site was medium deep black soil, low in organic carbon, available N, medium in available phosphorus and high in potassium. The experiment consisted of four plant densities viz., S1:1,11,111, S2:74,074, S3:83,333 and S3:55,555 plants ha-1 in main plots and with four nitrogen levels F1:150 kg N ha-1, F2:187.5 kg N ha-1, F3:225 kg N ha-1 and F4: 262.5 kg N ha-1 in sub plots. The Sugar-75 hybrid was used in the trial. The experimental results revealed that among the plant densities, higher plant density (1,11,111 plants ha-1) recorded significantly higher fresh cob yield (13350 kg ha-1) compared to other plant densities. Whereas quality parameters, protein (10.31%), oil (6.93%), reducing (3.36%) and non-reducing sugar (18.36%) contents in sweet corn were significantly higher with plant density of 55,555 plants ha-1. Among nitrogen levels, application of 262.5 kg N ha-1 registered significantly higher fresh cob yield (13866 kg ha-1), protein (10.39%), starch (47.97%), oil (7.07%), reducing (3.48%) and non-reducing sugar (18.49%) contents in sweet corn compared to 150 N kg ha-1.

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Claims 11

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Higher plant density of 1,11,111 plants ha-1 gave significantly higher fresh cob yield than other plant densities in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
higher plant density (1,11,111 plants ha-1)e1
Outcome
fresh cob yielde1
Direction
highere1
Value
13350 kg ha-1e1
Comparator
other plant densitiese1
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e1

“higher plant density (1,11,111 plants ha-1) recorded significantly higher fresh cob yield (13350 kg ha-1) compared to other plant densities”

✓ located verbatim in the source · abstract, characters 776–915 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Plant density of 55,555 plants ha-1 gave significantly higher protein content in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
plant density of 55,555 plants ha-1e3
Outcome
proteine3
Direction
highere3
Value
10.31%e3
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Not reportedComparator

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e3

“quality parameters, protein (10.31%), oil (6.93%), reducing (3.36%) and non-reducing sugar (18.36%) contents in sweet corn were significantly higher with plant density of 55,555 plants ha-1”

✓ located verbatim in the source · abstract, characters 925–1114 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Plant density of 55,555 plants ha-1 gave significantly higher oil content in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
plant density of 55,555 plants ha-1e3
Outcome
oile3
Direction
highere3
Value
6.93%e3
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Not reportedComparator

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e3

“quality parameters, protein (10.31%), oil (6.93%), reducing (3.36%) and non-reducing sugar (18.36%) contents in sweet corn were significantly higher with plant density of 55,555 plants ha-1”

✓ located verbatim in the source · abstract, characters 925–1114 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Plant density of 55,555 plants ha-1 gave significantly higher reducing sugar content in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
plant density of 55,555 plants ha-1e3
Outcome
reducinge3
Direction
highere3
Value
3.36%e3
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Not reportedComparator

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e3

“quality parameters, protein (10.31%), oil (6.93%), reducing (3.36%) and non-reducing sugar (18.36%) contents in sweet corn were significantly higher with plant density of 55,555 plants ha-1”

✓ located verbatim in the source · abstract, characters 925–1114 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Plant density of 55,555 plants ha-1 gave significantly higher non-reducing sugar content in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
plant density of 55,555 plants ha-1e3
Outcome
non-reducing sugare3
Direction
highere3
Value
18.36%e3
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Not reportedComparator

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e3

“quality parameters, protein (10.31%), oil (6.93%), reducing (3.36%) and non-reducing sugar (18.36%) contents in sweet corn were significantly higher with plant density of 55,555 plants ha-1”

✓ located verbatim in the source · abstract, characters 925–1114 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Application of 262.5 kg N ha-1 gave significantly higher fresh cob yield than 150 kg N ha-1 in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
application of 262.5 kg N ha-1e4
Outcome
fresh cob yielde4
Direction
highere4
Value
13866 kg ha-1e4
Comparator
150 N kg ha-1e4
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e4

“application of 262.5 kg N ha-1 registered significantly higher fresh cob yield (13866 kg ha-1), protein (10.39%), starch (47.97%), oil (7.07%), reducing (3.48%) and non-reducing sugar (18.49%) contents in sweet corn compared to 150 N kg ha-1”

✓ located verbatim in the source · abstract, characters 1139–1380 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Application of 262.5 kg N ha-1 gave significantly higher protein content than 150 kg N ha-1 in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
application of 262.5 kg N ha-1e4
Outcome
proteine4
Direction
highere4
Value
10.39%e4
Comparator
150 N kg ha-1e4
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e4

“application of 262.5 kg N ha-1 registered significantly higher fresh cob yield (13866 kg ha-1), protein (10.39%), starch (47.97%), oil (7.07%), reducing (3.48%) and non-reducing sugar (18.49%) contents in sweet corn compared to 150 N kg ha-1”

✓ located verbatim in the source · abstract, characters 1139–1380 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Application of 262.5 kg N ha-1 gave significantly higher starch content than 150 kg N ha-1 in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
application of 262.5 kg N ha-1e4
Outcome
starche4
Direction
highere4
Value
47.97%e4
Comparator
150 N kg ha-1e4
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e4

“application of 262.5 kg N ha-1 registered significantly higher fresh cob yield (13866 kg ha-1), protein (10.39%), starch (47.97%), oil (7.07%), reducing (3.48%) and non-reducing sugar (18.49%) contents in sweet corn compared to 150 N kg ha-1”

✓ located verbatim in the source · abstract, characters 1139–1380 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Application of 262.5 kg N ha-1 gave significantly higher oil content than 150 kg N ha-1 in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
application of 262.5 kg N ha-1e4
Outcome
oile4
Direction
highere4
Value
7.07%e4
Comparator
150 N kg ha-1e4
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e4

“application of 262.5 kg N ha-1 registered significantly higher fresh cob yield (13866 kg ha-1), protein (10.39%), starch (47.97%), oil (7.07%), reducing (3.48%) and non-reducing sugar (18.49%) contents in sweet corn compared to 150 N kg ha-1”

✓ located verbatim in the source · abstract, characters 1139–1380 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Application of 262.5 kg N ha-1 gave significantly higher reducing sugar content than 150 kg N ha-1 in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
application of 262.5 kg N ha-1e4
Outcome
reducinge4
Direction
highere4
Value
3.48%e4
Comparator
150 N kg ha-1e4
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e4

“application of 262.5 kg N ha-1 registered significantly higher fresh cob yield (13866 kg ha-1), protein (10.39%), starch (47.97%), oil (7.07%), reducing (3.48%) and non-reducing sugar (18.49%) contents in sweet corn compared to 150 N kg ha-1”

✓ located verbatim in the source · abstract, characters 1139–1380 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Application of 262.5 kg N ha-1 gave significantly higher non-reducing sugar content than 150 kg N ha-1 in sweet corn.

Taxon
sweet cornt0
Material
Sugar-75 hybride2
Treatment
application of 262.5 kg N ha-1e4
Outcome
non-reducing sugare4
Direction
highere4
Value
18.49%e4
Comparator
150 N kg ha-1e4
Setting
Agricultural Research Station, Siruguppa, Karnatakae0

Verbatim

t0

“sweet corn (Zea mays L. Saccharata)”

✓ located verbatim in the source · title, characters 85–120 · show in text ↑
e0

“irrigated ecosystem at Agricultural Research Station, Siruguppa, Karnataka”

✓ located verbatim in the source · abstract, characters 187–261 · show in text ↑
e2

“The Sugar-75 hybrid was used in the trial”

✓ located verbatim in the source · abstract, characters 667–708 · show in text ↑
e4

“application of 262.5 kg N ha-1 registered significantly higher fresh cob yield (13866 kg ha-1), protein (10.39%), starch (47.97%), oil (7.07%), reducing (3.48%) and non-reducing sugar (18.49%) contents in sweet corn compared to 150 N kg ha-1”

✓ located verbatim in the source · abstract, characters 1139–1380 · show in text ↑

density · quality: protein · Zea mays (maize)Positive and negative results

33 papers: 19 positive, 14 negative or no effect

18 papers in the same direction as this paper · 13 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

29 papers more in this group

See all 33 papers →

nitrogen · quality: sugar starch · Zea mays (maize)Positive and negative results

43 papers: 33 positive, 10 negative or no effect

32 papers in the same direction as this paper · 10 in the opposite direction

  1. positive
  2. positive
  3. no effect

39 papers more in this group

See all 43 papers →

nitrogen · quality: protein · Zea mays (maize)Positive and negative results

181 papers: 164 positive, 17 negative or no effect

163 papers in the same direction as this paper · 14 in the opposite direction · 3 reporting no difference from an alternative

  1. positive
  2. positive
  3. no effect

177 papers more in this group

See all 181 papers →

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

658 papers: 519 positive, 139 negative or no effect

518 papers in the same direction as this paper · 132 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
  2. negative
  3. negative

654 papers more in this group

See all 658 papers →

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

2,185 papers: 1,906 positive, 279 negative or no effect

1,905 papers in the same direction as this paper · 234 in the opposite direction · 45 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

2,181 papers more in this group

See all 2,185 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.