Abstract
Gin trash and pearl millet stover were used as mulches in the blank rows of a two-planted, two-blank-row (1-m spacing) planting pattern (2×2) for rainfed cotton (Gossypium hirsutum L.) over 4 years. Mulches were applied only one time, April 26, 1982. Gin trash was applied at rates of 7, 23, and 40 Mg/ha (3, 10, and 18 tons/acre), which gave soil coverages of about 30%, 80%, and 95%, respectively. Pearl millet was applied at rates of 10, 20, and 30 Mg/ha (4.5, 9, and 13.4 tons/acre); soil coverages of about 85%, 95%, and 100%, respectively. Check plots were not mulched. Effectiveness of the mulches was ascertained from soil water determinations and lint yields. In 1982, average lint yield on all mulched plots was 53% greater than that on check plots. Insufficient soil water in the planting zone precluded establishment of cotton in 1983 and 1984, but in 1985 cotton was established in the same plots that were used in 1982. Lint yields of mulched plots averaged 13% more than those of check plots. During the 4-year study, plots that had received the greatest amounts of mulch (essentially 100% ground cover initially) consistently had the most soil water. Millet-mulched plots consistently had more stored water than their gin trash counterparts. Producers should be able to significantly increase soil water storage and, hence, increase lint yields and reduce soil erosion losses by the consistent use of mulches of gin trash, millet stover, or comparable organic materials.
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Claims 6
Claim · model-written summary
Mulched cotton plots yielded 53% more lint than checks in 1982.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- mulched plotse0
- Outcome
- lint yielde0
- Direction
- greatere0
- Value
- 53%e0
- Comparator
- check plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1982, average lint yield on all mulched plots was 53% greater than that on check plots”
t0“cotton”
Claim · model-written summary
Insufficient water prevented cotton establishment in 1983 and 1984.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- establishment of cottone0
- Qualifier
- Insufficient soil water in the planting zonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Insufficient soil water in the planting zone precluded establishment of cotton in 1983 and 1984”
Claim · model-written summary
Mulched cotton plots yielded 13% more lint in 1985.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- mulched plotse0
- Outcome
- Lint yieldse0
- Direction
- moree0
- Value
- 13%e0
- Comparator
- check plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lint yields of mulched plots averaged 13% more than those of check plots”
t0“cotton”
Claim · model-written summary
Plots with greatest mulch amounts consistently stored the most soil water.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- greatest amounts of mulche0
- Outcome
- soil watere0
- Direction
- moste0
- Qualifier
- essentially 100% ground cover initiallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plots that had received the greatest amounts of mulch (essentially 100% ground cover initially) consistently had the most soil water”
t0“cotton”
Claim · model-written summary
Millet mulch stored more water than gin trash mulch.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- Millet-mulched plotse0
- Outcome
- stored watere0
- Direction
- moree0
- Comparator
- gin trash counterpartse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Millet-mulched plots consistently had more stored water than their gin trash counterparts”
t0“cotton”
Claim · model-written summary
The authors recommend consistent organic mulching to increase stored water and lint yield and reduce erosion.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- consistent use of mulches of gin trash, millet stover, or comparable organic materialse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Producers should be able to significantly increase soil water storage and, hence, increase lint yields and reduce soil erosion losses by the consistent use of mulches of gin trash, millet stover, or comparable organic materials”
t0“cotton”
The same questions in other papers
mulching · quality: grain · Gossypium hirsutum (cotton)Positive and negative results
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- no effect
- negative
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See all 13 papers →mulching · yield · Gossypium hirsutum (cotton)Positive and negative results
58 papers in the same direction as this paper · 4 in the opposite direction
- positive
- negative
- no effect
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See all 63 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.