Paper · 2024 · Agronomy Journal

Integrating cover crops and organic amendments to mitigate the limitations of tillage on soil health and cotton productivity

Godfred Ankomah; Solomon Amissah; Stephanie Hollifield; et al.

13
claims
25
verbatim quotes
4
citations
1
research areas
✓
Open access · cc-by-nc

Abstract

Abstract Various tillage systems have limitations on soil health, such as the degradation of soil structure and organic matter under conventional tillage (CT) systems, as well as short‐term soil compaction in conservation tillage systems. A 3‐year field experiment was established to evaluate the integration of cover crop (CC) and organic amendments (OAs) into CT and strip tillage (ST) systems, and their impact on soil properties and cotton ( Gossypium hirsutum L.) productivity. The CC was cereal rye ( Secale cereale ), and the combined application of animal manure and biochar constituted the OA. In the third year, differences in soil compaction between the CT and ST systems were observed when the measurements were made after tillage. Moreover, integrating CC and OA under the CT and ST systems increased the soil depth to compaction zones. Soil compaction was observed at 27.5‐cm depth under CT, at 30‐cm depth under CT integrated with CC and OA, at 10‐cm depth under ST, and at 15‐cm depth under ST integrated with CC and OA, using 2 MPa as the threshold. In general, the integration of CC and OA tended to increase soil respiration, organic matter, and available nutrients, but the effects were not consistent across years and soil depth. Despite differences in the various soil health properties, the management systems had minimum impact on cotton productivity and fiber quality, indicating the ST was effective in preparing the seedbed. Moreover, the differences in soil properties were not at yield‐limiting levels within 3 years of the study.

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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 13

Observationobservedoriginal resultmeasured

Claim · model-written summary

CT and ST differed in soil compaction after tillage in year three.

Outcome
soil compactione0
Qualifier
In the third yeare0
Comparator
CT and ST systemse0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“In the third year, differences in soil compaction between the CT and ST systems were observed when the measurements were made after tillage.”

✓ located verbatim in the source · abstract, characters 603–743 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Integrating cover crop and organic amendments increased depth to soil compaction zones.

Treatment
integrating CC and OAe0
Outcome
soil depth to compaction zonese0
Direction
increasede0
Comparator
CT and ST systemse0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“integrating CC and OA under the CT and ST systems increased the soil depth to compaction zones.”

✓ located verbatim in the source · abstract, characters 754–849 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Soil compaction occurred at 27.5-cm depth under CT.

Treatment
CTe0
Outcome
Soil compactione0
Value
27.5‐cme0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Soil compaction was observed at 27.5‐cm depth under CT”

✓ located verbatim in the source · abstract, characters 850–904 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Soil compaction occurred at 30-cm depth under CT with cover crop and amendments.

Treatment
CT integrated with CC and OAe0
Outcome
depthe0
Value
30‐cme0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“at 30‐cm depth under CT integrated with CC and OA”

✓ located verbatim in the source · abstract, characters 906–955 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Soil compaction occurred at 10-cm depth under ST.

Treatment
STe0
Outcome
depthe0
Value
10‐cme0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“at 10‐cm depth under ST”

✓ located verbatim in the source · abstract, characters 957–980 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Soil compaction occurred at 15-cm depth under ST with cover crop and amendments.

Treatment
ST integrated with CC and OAe0
Outcome
depthe0
Value
15‐cme0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“at 15‐cm depth under ST integrated with CC and OA”

✓ located verbatim in the source · abstract, characters 986–1035 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cover crop and amendments tended to increase soil respiration, inconsistently across years and depths.

Treatment
integration of CC and OAe0
Outcome
soil respiratione0
Direction
increasee0
Qualifier
not consistent across years and soil depthe0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the integration of CC and OA tended to increase soil respiration, organic matter, and available nutrients, but the effects were not consistent across years and soil depth.”

✓ located verbatim in the source · abstract, characters 1079–1250 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cover crop and amendments tended to increase organic matter, inconsistently across years and depths.

Treatment
integration of CC and OAe0
Outcome
organic mattere0
Direction
increasee0
Qualifier
not consistent across years and soil depthe0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the integration of CC and OA tended to increase soil respiration, organic matter, and available nutrients, but the effects were not consistent across years and soil depth.”

✓ located verbatim in the source · abstract, characters 1079–1250 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cover crop and amendments tended to increase available nutrients, inconsistently across years and depths.

Treatment
integration of CC and OAe0
Outcome
available nutrientse0
Direction
increasee0
Qualifier
not consistent across years and soil depthe0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the integration of CC and OA tended to increase soil respiration, organic matter, and available nutrients, but the effects were not consistent across years and soil depth.”

✓ located verbatim in the source · abstract, characters 1079–1250 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Management systems had minimal impact on cotton productivity.

Treatment
management systemse0
Outcome
cotton productivitye0
Direction
minimum impacte0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the management systems had minimum impact on cotton productivity and fiber quality”

✓ located verbatim in the source · abstract, characters 1310–1392 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Management systems had minimal impact on fiber quality.

Treatment
management systemse0
Outcome
fiber qualitye0
Direction
minimum impacte0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the management systems had minimum impact on cotton productivity and fiber quality”

✓ located verbatim in the source · abstract, characters 1310–1392 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Observationauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The authors conclude that ST effectively prepared the seedbed.

Outcome
ST was effective in preparing the seedbede0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“indicating the ST was effective in preparing the seedbed.”

✓ located verbatim in the source · abstract, characters 1394–1451 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil property differences did not reach yield-limiting levels within three years.

Outcome
yield‐limiting levelse0
Qualifier
within 3 years of the studye0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the differences in soil properties were not at yield‐limiting levels within 3 years of the study.”

✓ located verbatim in the source · abstract, characters 1462–1559 · show in text ↑
t0

“cotton”

✓ located verbatim in the source · title, characters 105–111 · show in text ↑

cultivation system · quality: grain · Gossypium hirsutum (cotton)Positive and negative results

8 papers: 2 positive, 6 negative or no effect

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

  1. positive
  2. positive
  3. no effect

4 papers more in this group

See all 8 papers →

cover crop · soil: physics · Gossypium hirsutum (cotton)Positive and negative results

11 papers: 7 positive, 4 negative or no effect

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

  1. no effect
  2. negative
  3. no effect

7 papers more in this group

See all 11 papers →

cultivation system · yield · Gossypium hirsutum (cotton)Positive and negative results

30 papers: 25 positive, 5 negative or no effect

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

  1. positive
  2. positive
  3. positive

26 papers more in this group

See all 30 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.