Paper · 2023 · Polish Journal of Environmental Studies

The Reaction of Maize and Sorghumto Fertilization with Granulated FertilizerObtained from Digestate

Leszek Kordas; Agnieszka Lejman; Piotr Kuc; et al.

6
claims
10
verbatim quotes
1
citations
1
research areas
✓
Open access

Abstract

The aim of the conducted observations was to examine the effect of fertiliser produced based on plant digestate and resulting from the process of anaerobic fermentation of a substrate with sorghum (20%), beet (60%), rye (10%) and grass (10%) on the growth and yield of sorghum and corn. A strict, single-factor pot experiment was carried out in 2017–2018 in the Swojec Agricultural Experimental Unit at the University of Life Sciences in Wrocław. Fertilisation with digestate was the tested factor, with a focus on its influence on selected energy plants. Sucrosorgo sorghum and Atletico maize were analysed. During the research, the pots were placed in a vegetation hall. The research proved that the use of digestate-based fertiliser improves the productivity of both sorghum and maize, but only with an additional dose of basic macronutrients. The optimal variant is a fertiliser dose of 20 g enriched with 1.0 NPK. Increasing the dose to 30 g and 1.5 NPK generally did not result in a significant increase in plant height or in fresh and dry weights.

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Digestate fertilizer improved sorghum productivity only with additional macronutrients.

Taxon
sorghumSorghume0
Treatment
digestate-based fertilisere0
Outcome
productivitye0
Direction
improvese0
Qualifier
only with an additional dose of basic macronutrientse0

Not reportedComparator

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“the use of digestate-based fertiliser improves the productivity of both sorghum and maize, but only with an additional dose of basic macronutrients”

✓ located verbatim in the source · abstract, characters 698–845 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Digestate fertilizer improved maize productivity only with additional macronutrients.

Taxon
maizeZea mayse0
Treatment
digestate-based fertilisere0
Outcome
productivitye0
Direction
improvese0
Qualifier
only with an additional dose of basic macronutrientse0

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

e0

“the use of digestate-based fertiliser improves the productivity of both sorghum and maize, but only with an additional dose of basic macronutrients”

✓ located verbatim in the source · abstract, characters 698–845 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

A 20 g fertilizer dose enriched with 1.0 NPK was optimal for sorghum.

Taxon
sorghumSorghume1
Outcome
fertiliser dose of 20 g enriched with 1.0 NPKe0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“The optimal variant is a fertiliser dose of 20 g enriched with 1.0 NPK”

✓ located verbatim in the source · abstract, characters 847–917 · show in text ↑
e1

“Sucrosorgo sorghum”

✓ located verbatim in the source · abstract, characters 556–574 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

A 20 g fertilizer dose enriched with 1.0 NPK was optimal for maize.

Taxon
maizeZea mayse1
Outcome
fertiliser dose of 20 g enriched with 1.0 NPKe0

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

e0

“The optimal variant is a fertiliser dose of 20 g enriched with 1.0 NPK”

✓ located verbatim in the source · abstract, characters 847–917 · show in text ↑
e1

“Atletico maize”

✓ located verbatim in the source · abstract, characters 579–593 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

A larger dose did not significantly increase plant height.

Taxon
sorghum and cornSorghumZea mays subsp. mayse1
Treatment
30 g and 1.5 NPKe0
Outcome
plant heighte0
Direction
increasee0

Not reportedComparator

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗
Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Increasing the dose to 30 g and 1.5 NPK generally did not result in a significant increase in plant height”

✓ located verbatim in the source · abstract, characters 919–1025 · show in text ↑
e1

“growth and yield of sorghum and corn”

✓ located verbatim in the source · abstract, characters 249–285 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

A larger dose did not significantly increase fresh and dry weights.

Taxon
sorghum and cornSorghumZea mays subsp. mayse1
Treatment
30 g and 1.5 NPKe0
Outcome
fresh and dry weightse0
Direction
increasee0

Not reportedComparator

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗
Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Increasing the dose to 30 g and 1.5 NPK generally did not result in a significant increase in plant height or in fresh and dry weights”

✓ located verbatim in the source · abstract, characters 919–1053 · show in text ↑
e1

“growth and yield of sorghum and corn”

✓ located verbatim in the source · abstract, characters 249–285 · show in text ↑

fertilization · growth · SorghumResults differ

120 papers: 104 positive, 16 negative or no effect

15 papers in the same direction as this paper · 104 in the opposite direction

  1. positive
  2. positive
  3. positive

116 papers more in this group

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fertilization · yield · SorghumPositive and negative results

446 papers: 418 positive, 28 negative or no effect

417 papers in the same direction as this paper · 21 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
  2. no effect
  3. no effect

442 papers more in this group

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

1,365 papers: 1,196 positive, 169 negative or no effect

168 papers in the same direction as this paper · 1,196 in the opposite direction

  1. positive
  2. positive
  3. positive

1,361 papers more in this group

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

3,908 papers: 3,485 positive, 423 negative or no effect

3,484 papers in the same direction as this paper · 338 in the opposite direction · 85 reporting no difference from an alternative

  1. positive
  2. positive
  3. negative

3,904 papers more in this group

See all 3,908 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.