Paper · 2016 · International Journal of Agriculture and Biology

Foliar Applied Potassium and Zinc Enhances Growth and Yield Performance of Maize under Rainfed Conditions

Muhammad Abbas Anees; Abid Ali; Usman Shakoor; et al.

6
claims
12
verbatim quotes
37
citations
2
research areas
✓
Open access

Abstract

A field experiment was conducted for two years (2013 and 2014) to study the effect of foliar spray of potassium and zinc on maize crop under rainfed environment. Nine treatments were examined as: control, recommended rate of zinc (RRZn) to soil @ 15 kg Zn2SO4 ha -1 , foliar zinc spray (FZS) @ 0.1%, recommended rate of potassium to soil (RRK) @ 75 kg K2O ha -1 , RRK + RRZn, RRK+ FZS, foliar potassium spray (FKS) at 1% concentration, FKS + RRZn, FKS + FZS. The experiments were arranged in split plot with three replications. All integrated and individual foliar sprays of potassium and zinc surpassed all other treatments. Among all foliar treatments, integrated use of foliar potassium and zinc spray at 25 and 50 days after sowing (DAS) @ 1.0 and 0.1%, respectively enhanced all plant growth, yield, physiological and quality traits of maize. The highest 1000 grain weight (g) and grain yield (kg ha -1 ) were recorded under the combined foliar spray of potassium and zinc (FKS + FZS), followed by FKS + RRZn and RRK+ FZS. Greater net benefit and benefit cost ration were examined under all foliar sprays. Foliar spray of potassium and zinc is a fertilizer use efficient technique for increasing the maize yield attributes and net income under rainfed conditions.

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Integrated foliar potassium and zinc at 25 and 50 days enhanced maize growth traits.

Taxon
MaizeZea mayst0
Treatment
integrated use of foliar potassium and zinc spray at 25 and 50 days after sowing (DAS) @ 1.0 and 0.1%e0
Outcome
plant growthe0
Direction
enhancede0

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 ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 75–80 · show in text ↑
e0

“integrated use of foliar potassium and zinc spray at 25 and 50 days after sowing (DAS) @ 1.0 and 0.1%, respectively enhanced all plant growth, yield, physiological and quality traits of maize”

✓ located verbatim in the source · abstract, characters 655–846 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The integrated foliar sprays enhanced maize physiological and quality traits.

Taxon
MaizeZea mayst0
Treatment
integrated use of foliar potassium and zinc spray at 25 and 50 days after sowing (DAS) @ 1.0 and 0.1%e0
Outcome
physiological and quality traitse0
Direction
enhancede0

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 ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 75–80 · show in text ↑
e0

“integrated use of foliar potassium and zinc spray at 25 and 50 days after sowing (DAS) @ 1.0 and 0.1%, respectively enhanced all plant growth, yield, physiological and quality traits of maize”

✓ located verbatim in the source · abstract, characters 655–846 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined foliar spray produced the highest 1000 grain weight.

Taxon
MaizeZea mayst0
Treatment
combined foliar spray of potassium and zinc (FKS + FZS)e0
Outcome
1000 grain weighte0
Direction
higheste0
Comparator
FKS + RRZn and RRK+ FZSe0

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

t0

“Maize”

✓ located verbatim in the source · title, characters 75–80 · show in text ↑
e0

“The highest 1000 grain weight (g) and grain yield (kg ha -1 ) were recorded under the combined foliar spray of potassium and zinc (FKS + FZS), followed by FKS + RRZn and RRK+ FZS”

✓ located verbatim in the source · abstract, characters 848–1026 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined foliar spray produced the highest grain yield.

Taxon
MaizeZea mayst0
Treatment
combined foliar spray of potassium and zinc (FKS + FZS)e0
Outcome
grain yielde0
Direction
higheste0
Comparator
FKS + RRZn and RRK+ FZSe0

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

t0

“Maize”

✓ located verbatim in the source · title, characters 75–80 · show in text ↑
e0

“The highest 1000 grain weight (g) and grain yield (kg ha -1 ) were recorded under the combined foliar spray of potassium and zinc (FKS + FZS), followed by FKS + RRZn and RRK+ FZS”

✓ located verbatim in the source · abstract, characters 848–1026 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar sprays gave greater net benefit and benefit cost ratio.

Taxon
MaizeZea mayst0
Treatment
all foliar sprayse0
Outcome
net benefit and benefit cost ratione0
Direction
Greatere0

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 ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 75–80 · show in text ↑
e0

“Greater net benefit and benefit cost ration were examined under all foliar sprays”

✓ located verbatim in the source · abstract, characters 1028–1109 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend foliar potassium and zinc to increase maize yield attributes and net income under rainfed conditions.

Taxon
MaizeZea mayst0
Treatment
Foliar spray of potassium and zince0
Outcome
increasing the maize yield attributes and net incomee0
Setting
rainfed conditionse0

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

t0

“Maize”

✓ located verbatim in the source · title, characters 75–80 · show in text ↑
e0

“Foliar spray of potassium and zinc is a fertilizer use efficient technique for increasing the maize yield attributes and net income under rainfed conditions”

✓ located verbatim in the source · abstract, characters 1111–1267 · show in text ↑

zinc atom · growth · Zea mays (maize)Results differ

224 papers: 183 positive, 41 negative or no effect

182 papers in the same direction as this paper · 41 in the opposite direction

  1. positive
  2. positive
  3. positive

220 papers more in this group

See all 224 papers →

zinc atom · yield · Zea mays (maize)Results differ

441 papers: 391 positive, 50 negative or no effect

390 papers in the same direction as this paper · 47 in the opposite direction · 3 reporting no difference from an alternative

  1. no effect
  2. positive
  3. positive

437 papers more in this group

See all 441 papers →

zinc atom · quality: general · Zea mays (maize)Results agree

11 papers: 11 positive, 0 negative or no effect

10 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

7 papers more in this group

See all 11 papers →

potassium · growth · Zea mays (maize)Results differ

114 papers: 99 positive, 15 negative or no effect

98 papers in the same direction as this paper · 15 in the opposite direction

  1. no effect
  2. no effect
  3. negative

110 papers more in this group

See all 114 papers →

potassium · quality: general · 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 →

application · quality: general · Zea mays (maize)Positive and negative results

29 papers: 23 positive, 6 negative or no effect

22 papers in the same direction as this paper · 1 in the opposite direction · 5 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

25 papers more in this group

See all 29 papers →

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

320 papers: 291 positive, 29 negative or no effect

290 papers in the same direction as this paper · 28 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. no effect
  3. negative

316 papers more in this group

See all 320 papers →

application · growth · Zea mays (maize)Positive and negative results

337 papers: 310 positive, 27 negative or no effect

309 papers in the same direction as this paper · 25 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    In maize, treatment T7 was on par with T5 for growth parameters at the Knee-high and tasseling stages.

    Effect of Integrated Approach on Growth and Yield Attributes of Maize · 2021 · compared with T5-RDF + FYM enrichment with 50 kg ZnSO4 ha-1

    No difference from an alternativeCites this paper

  2. positive
  3. positive

333 papers more in this group

See all 337 papers →

8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.