Abstract
The cotton plant is a species cultivated in many parts of the world, with enormous economic importance. The objective of this study was to evaluate the effect of salinity levels in earthworm humus quantities function on the growth and production of cotton. The experiment was conducted in a greenhouse at the Campus IV in the State University of Paraiba, municipality of Catolé do Rocha-PB, Brazil. A completely randomized design with four replications, in a factorial 4 x 4 was used. The first factor consisted of salinity levels in irrigation water (0.8, 3, 4.5 and 6 dS m-1) and the second factor of earthworm humus amounted to: 0, 1, 2 and 3 kg/plant. At the end of the experiment, the growth characteristics: plant height, stem diameter, leaf number, unit leaf area and leaf area of the plant were evaluated. The production: number of flower buds, number of bolls per plant, seed weight per boll, number of seeds per boll, 100 seed weight, total production, fiber production and seed production were also estimated. The interaction between salinity levels and quantities of earthworm humus did not affect the growth and production of cotton. The increase in salinity levels adversely affected the cotton crop. Largest earthworm humus quantities gave an increase in cotton production. Key words: Gossipium hirsutum r. latifolium H., Electrical conductivity of water, humus earthworm.
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Claims 3
Claim · model-written summary
The salinity by earthworm humus interaction did not affect cotton growth and production.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- salinity levels and quantities of earthworm humuse0
- Outcome
- growth and productione0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The interaction between salinity levels and quantities of earthworm humus did not affect the growth and production of cotton.”
Claim · model-written summary
Increasing salinity adversely affected cotton.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- increase in salinity levelse0
- Outcome
- cotton crope0
- Direction
- adversely affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increase in salinity levels adversely affected the cotton crop.”
Claim · model-written summary
Larger earthworm humus quantities increased cotton production.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- Largest earthworm humus quantitiese0
- Outcome
- cotton productione0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Largest earthworm humus quantities gave an increase in cotton production.”
The same questions in other papers
salinity · yield · Gossypium hirsutum (cotton)Results differ
48 papers in the same direction as this paper · 9 in the opposite direction
- negative
- positive
- positive
54 papers more in this group
See all 58 papers →salinity · organism · Gossypium hirsutum (cotton)Results agree
1 paper in the same direction as this paper
- negative
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.