Paper · 2017 · Pesquisa Agropecuária Brasileira

Yield performance of soybean and corn subjected to magnesium foliar spray

Lucas Miguel Altarugio; Marcos Harm Loman; Matheus Gomes Nirschl; et al.

6
claims
12
verbatim quotes
33
citations
2
research areas
✓
Open access · cc-by

Abstract

Abstract: The objective of this work was to evaluate the effect of magnesium foliar spray on yield performance of soybean (Glycine max) and corn (Zea mays) cultivated in soil with adequate levels of base saturation and magnesium content in Brazil. The field trials were conducted on a Typic Hapludox cultivated with soybean and corn in the 2013/2014 and 2014/2015 crop seasons, respectively. Treatments consisted of Mg rates (50, 100, 250, 500, 1,000 and 1,500 g ha-1 and a control without Mg) applied during the V4, R1, and R5.1 (soybean) or V4 and R2 (corn) phenological growth stages as magnesium sulfate heptahydrate (MgSO4∙7H2O). The SPAD index, leaf Mg content, grain yield, and 100-grain weight were evaluated. The Mg foliar spray increased the SPAD index in soybean and the leaf Mg content in corn. The Mg rates of 540 and 890 g ha-1 increased in 325 and 737 kg ha-1 the yield performance of soybean and corn, respectively, regardless of the phenological growth stages. The Mg application during the reproductive stages increased in 2% the 100-grain weight for both crops. Foliar spraying of Mg improves the yield performance in soybean and corn crops.

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 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mg foliar spray increased the SPAD index in soybean relative to a control without Mg

Taxon
soybeanGlycine maxe1
Treatment
Mg foliar spraye1
Outcome
SPAD indexe1
Direction
increasede1
Comparator
a control without Mge2

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e1

“The Mg foliar spray increased the SPAD index in soybean and the leaf Mg content in corn”

✓ located verbatim in the source · abstract, characters 718–805 · show in text ↑
e2

“a control without Mg”

✓ located verbatim in the source · abstract, characters 472–492 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mg foliar spray increased the leaf Mg content in corn relative to a control without Mg

Treatment
Mg foliar spraye1
Outcome
leaf Mg contente1
Direction
increasede1
Comparator
a control without Mge2

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“The Mg foliar spray increased the SPAD index in soybean and the leaf Mg content in corn”

✓ located verbatim in the source · abstract, characters 718–805 · show in text ↑
e2

“a control without Mg”

✓ located verbatim in the source · abstract, characters 472–492 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mg rates of 540 and 890 g ha-1 increased soybean yield performance by 325 kg ha-1

Taxon
soybeanGlycine maxe3
Treatment
Mg rates of 540 and 890 g ha-1e3
Outcome
yield performancee3
Direction
increasede3
Value
325e3
Qualifier
regardless of the phenological growth stagese3
Comparator
a control without Mge2

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e2

“a control without Mg”

✓ located verbatim in the source · abstract, characters 472–492 · show in text ↑
e3

“The Mg rates of 540 and 890 g ha-1 increased in 325 and 737 kg ha-1 the yield performance of soybean and corn, respectively, regardless of the phenological growth stages”

✓ located verbatim in the source · abstract, characters 807–976 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mg rates of 540 and 890 g ha-1 increased corn yield performance by 737 kg ha-1

Treatment
Mg rates of 540 and 890 g ha-1e3
Outcome
yield performancee3
Direction
increasede3
Value
737e3
Qualifier
regardless of the phenological growth stagese3
Comparator
a control without Mge2

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e2

“a control without Mg”

✓ located verbatim in the source · abstract, characters 472–492 · show in text ↑
e3

“The Mg rates of 540 and 890 g ha-1 increased in 325 and 737 kg ha-1 the yield performance of soybean and corn, respectively, regardless of the phenological growth stages”

✓ located verbatim in the source · abstract, characters 807–976 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mg application during the reproductive stages increased the 100-grain weight of soybean by 2%

Taxon
soybeanGlycine maxe5
Organ / stage
reproductive stagese4
Treatment
Mg applicatione4
Outcome
100-grain weighte4
Direction
increasede4
Value
2%e4

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e4

“The Mg application during the reproductive stages increased in 2% the 100-grain weight for both crops”

✓ located verbatim in the source · abstract, characters 978–1079 · show in text ↑
e5

“soybean (Glycine max) and corn (Zea mays)”

✓ located verbatim in the source · abstract, characters 114–155 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mg application during the reproductive stages increased the 100-grain weight of corn by 2%

Organ / stage
reproductive stagese4
Treatment
Mg applicatione4
Outcome
100-grain weighte4
Direction
increasede4
Value
2%e4

Not reportedComparator

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e4

“The Mg application during the reproductive stages increased in 2% the 100-grain weight for both crops”

✓ located verbatim in the source · abstract, characters 978–1079 · show in text ↑
e5

“soybean (Glycine max) and corn (Zea mays)”

✓ located verbatim in the source · abstract, characters 114–155 · show in text ↑

magnesium atom · yield · Glycine max (soybean)Results differ

20 papers: 16 positive, 4 negative or no effect

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

  1. positive
  2. negative
  3. no effect

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

47 papers: 36 positive, 11 negative or no effect

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

  1. positive
  2. positive
  3. positive

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magnesium atom · physiology: pigments · Glycine max (soybean)Positive and negative results

4 papers: 3 positive, 1 negative or no effect

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

  1. no effect
  2. positive
  3. positive
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magnesium atom · nutrient: content · Zea mays (maize)Positive and negative results

28 papers: 19 positive, 9 negative or no effect

18 papers in the same direction as this paper · 8 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. positive
  3. no effect

24 papers more in this group

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application · physiology: pigments · Glycine max (soybean)Positive and negative results

30 papers: 26 positive, 4 negative or no effect

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

  1. no effect
  2. negative
  3. no effect

26 papers more in this group

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application · nutrient: content · Zea mays (maize)Positive and negative results

161 papers: 151 positive, 10 negative or no effect

150 papers in the same direction as this paper · 9 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. no effect
  3. no effect

157 papers more in this group

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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.