Paper · 2015 · Turkish Journal Of Field Crops

FOLIAR SPRAY SURPASSES SOIL APPLICATION OF POTASSIUM FOR MAIZE PRODUCTION UNDER RAINFED CONDITIONS

Abid ALI; Mozammil HUSSAIN; Hafiz Saqib HABIB; et al.

4
claims
7
verbatim quotes
45
citations
2
research areas
—
Not open access

Abstract

This field experiment was performed to evaluate the efficiency of potassium (K) foliar spray against soilapplication on hybrid maize. Treatments were: control, soil applied 75 kg K2O ha-1, foliar spray 1% K2O,foliar spray 2% K2O, foliar spray 3% K2O, fertigation 75 kg K2O ha-1, and split application in soil 75 kg K2Oha-1. Potassium foliar sprays increased yield and its components as well as grain quality attributes greater thanthat with soil application, splitting or fertigation. The highest biological and grain yield were 15.0 and 8.08 tha-1, respectively under foliar treatment of 3% K2O, followed by 2% K2O foliar spray. Greater net benefit andbenefit cost ratio were with foliar application. Foliar spray of potassium 3% concentration was more efficientfor increasing growth and yield of maize crop as compared to soil application and fertilization of potassiumfertilizer.

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium foliar sprays increased maize yield components, yield and grain quality compared with soil application, splitting or fertigation.

Taxon
hybrid maizeZea mayse1
Treatment
Potassium foliar sprayse2
Outcome
yield and its components as well as grain quality attributese2
Direction
increasede2
Comparator
soil application, splitting or fertigatione2
Setting
field experimente1

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

e1

“This field experiment was performed to evaluate the efficiency of potassium (K) foliar spray against soilapplication on hybrid maize.”

✓ located verbatim in the source · abstract, characters 0–133 · show in text ↑
e2

“Potassium foliar sprays increased yield and its components as well as grain quality attributes greater thanthat with soil application, splitting or fertigation.”

✓ located verbatim in the source · abstract, characters 324–484 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar treatment of 3% K2O gave the highest biological and grain yield of maize, 15.0 and 8.08 t/ha.

Taxon
hybrid maizeZea mayse1
Treatment
foliar treatment of 3% K2Oe3
Outcome
biological and grain yielde3
Direction
higheste3
Value
15.0 and 8.08 tha-1e3

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

e1

“This field experiment was performed to evaluate the efficiency of potassium (K) foliar spray against soilapplication on hybrid maize.”

✓ located verbatim in the source · abstract, characters 0–133 · show in text ↑
e3

“The highest biological and grain yield were 15.0 and 8.08 tha-1, respectively under foliar treatment of 3% K2O, followed by 2% K2O foliar spray.”

✓ located verbatim in the source · abstract, characters 485–629 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar application gave greater net benefit and benefit cost ratio than soil application in maize.

Taxon
hybrid maizeZea mayse1
Treatment
foliar applicatione4
Outcome
net benefit andbenefit cost ratioe4
Direction
Greatere4

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

e1

“This field experiment was performed to evaluate the efficiency of potassium (K) foliar spray against soilapplication on hybrid maize.”

✓ located verbatim in the source · abstract, characters 0–133 · show in text ↑
e4

“Greater net benefit andbenefit cost ratio were with foliar application.”

✓ located verbatim in the source · abstract, characters 630–701 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar spray of 3% potassium was more efficient than soil application and fertilization of potassium fertilizer for increasing maize growth and yield.

Taxon
maizeZea mayse5
Treatment
Foliar spray of potassium 3% concentratione5
Outcome
growth and yielde5
Direction
more efficient for increasinge5
Comparator
soil application and fertilization of potassiumfertilizere5

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

e5

“Foliar spray of potassium 3% concentration was more efficientfor increasing growth and yield of maize crop as compared to soil application and fertilization of potassiumfertilizer.”

✓ located verbatim in the source · abstract, characters 702–882 · show in text ↑

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

28 papers: 24 positive, 4 negative or no effect

23 papers in the same direction as this paper · 4 in the opposite direction

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

24 papers more in this group

See all 28 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. no effect
  2. positive
  3. positive

316 papers more in this group

See all 320 papers →

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

629 papers: 575 positive, 54 negative or no effect

574 papers in the same direction as this paper · 42 in the opposite direction · 12 reporting no difference from an alternative

  1. no effect
  2. positive
  3. positive

625 papers more in this group

See all 629 papers →

potassium · quality: grain · 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 →

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.