Paper · 2023 · Colloquium Agrariae

SOYBEAN BASE FERTILIZATION: CHEMICAL AND MICROBIOLOGICAL SOIL INDICATORS AND CROP YIELD

Paulo Henrique Cazarim; Marcelo Augusto de Aguiar e Silva; Adriana Pereira da Silva; et al.

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verbatim quotes
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citations
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Open access · cc-by-nc-nd

Abstract

Recent research suggests that soybean yield could be doubled in Brazilian conditions, implying that the base fertilization is pivotal, as it might influence chemical and microbiological soil indicators and, hence, the crop grain yield. The current study had the goal of assessing alterations in the chemical and microbiological soil indicators, in the short term, as well as the soybean biometric and grain yield performance as a function of different fertilizers for base fertilization, in two sowing periods. An experiment comprised of two sowing periods was carried out in the 2019/2020 season on a dystrophic Red Latosol, in north Parana state. Five treatments were assessed, comprising: 1) control; 2) mineral fertilizer; 3) organomineral fertilizer; 4) mineral fertilizer mixed with granulated gypsum; and 5) slow release mineral fertilizer. A randomized block design with four replicates was adopted. The following variables were assessed: chemical and microbiological soil indicators; final stand; first pod insertion height; plant height; stem diameter; number of pods per plant; number of grains per plant; number of grains per pod; grain mass per plant; and one thousand grain mass and grain yield. There is no base fertilization effect on the chemical soil indicators in the short term, however, there is an effect on the microbiological soil indicators. Soybean biometric and grain yield performance is decreased with the delayed sowing period, regardless of the type of fertilizer utilized for base fertilization. Analyzing a set of soil quality indicators enables precise and judicious results to be gathered on management practices in the soil environment.

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Claims 5

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Base fertilization had no short-term effect on chemical soil indicators.

Treatment
base fertilizatione0
Outcome
chemical soil indicatorse0
Direction
noe0
Qualifier
in the short terme0

Not reportedTaxonComparator

Verbatim

e0

“There is no base fertilization effect on the chemical soil indicators in the short term”

✓ located verbatim in the source · abstract, characters 1210–1297 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Base fertilization affected microbiological soil indicators.

Outcome
microbiological soil indicatorse0

Not reportedTaxonTreatmentComparatorDirection

Verbatim

e0

“however, there is an effect on the microbiological soil indicators.”

✓ located verbatim in the source · abstract, characters 1299–1366 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delayed sowing decreased soybean biometric performance.

Taxon
SoybeanGlycine maxe0
Treatment
delayed sowing periode0
Outcome
biometrice0
Direction
decreasede0
Qualifier
regardless of the type of fertilizer utilized for base fertilizatione0

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Soybean biometric and grain yield performance is decreased with the delayed sowing period, regardless of the type of fertilizer utilized for base fertilization.”

✓ located verbatim in the source · abstract, characters 1367–1527 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delayed sowing decreased soybean grain yield performance.

Taxon
SoybeanGlycine maxe0
Treatment
delayed sowing periode0
Outcome
grain yield performancee0
Direction
decreasede0

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Soybean biometric and grain yield performance is decreased with the delayed sowing period, regardless of the type of fertilizer utilized for base fertilization.”

✓ located verbatim in the source · abstract, characters 1367–1527 · show in text ↑
Method / resourceauthor interpretationoriginal resultmeasured

Claim · model-written summary

Combined soil quality indicators enabled precise assessment of soil management.

Outcome
precise and judicious resultse0

Not reportedComparatorValue

Verbatim

e0

“Analyzing a set of soil quality indicators enables precise and judicious results to be gathered on management practices in the soil environment.”

✓ located verbatim in the source · abstract, characters 1528–1672 · show in text ↑

sowing time · yield · Glycine max (soybean)Positive and negative results

207 papers: 115 positive, 92 negative or no effect

91 papers in the same direction as this paper · 115 in the opposite direction

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