Abstract
The objective was to evaluate leaf area and gas exchange of okra plants for different irrigation depths, organic matter content and mulch. The activities were conducted in an experimental area of the State University of Paraíba, Campus IV, Catolé do Rocha-PB. An experimental design with randomized blocks, treatments distributed in a factorial 2 × 5 × 2 related to two irrigation levels, 100 and 50% of crop evapotranspiration (ETc), five levels of organic matter in the soil (1.8, 2.8, 3.8, 4.8 and 5.8%) and soil with and without mulch, totaling 20 treatments replicated in four blocks, was used. The experimental unit consisted of 27 plants. The increase of soil organic matter stimulated growth in leaf area and the gas exchange of okra plants. The irrigation with the smallest depth of water inhibited the expansion of leaf area, but provided a greater efficiency in okra's gas exchange. Mulch alleviated the reduced effects of irrigation water depth and stimulated the activity of okra gas exchanges. Key words: Abelmoschus esculentus, physiology, leaf area.
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Claims 5
Claim · model-written summary
Increasing soil organic matter stimulated okra leaf area growth and gas exchange.
- Taxon
- okra
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Abelmoschus esculentuse0 - Treatment
- increase of soil organic mattere0
- Outcome
- growth in leaf area and the gas exchangee0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The increase of soil organic matter stimulated growth in leaf area and the gas exchange of okra plants.”
Claim · model-written summary
The smaller irrigation depth inhibited okra leaf area expansion.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- smallest depth of watere0
- Outcome
- expansion of leaf areae0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The irrigation with the smallest depth of water inhibited the expansion of leaf area, but provided a greater efficiency in okra's gas exchange.”
Claim · model-written summary
The smaller irrigation depth increased okra gas exchange efficiency.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- smallest depth of watere0
- Outcome
- efficiency in okra's gas exchangee0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The irrigation with the smallest depth of water inhibited the expansion of leaf area, but provided a greater efficiency in okra's gas exchange.”
Claim · model-written summary
Mulch alleviated the reduced effects of irrigation depth on okra.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- Mulche0
- Outcome
- reduced effects of irrigation water depthe0
- Direction
- alleviatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mulch alleviated the reduced effects of irrigation water depth and stimulated the activity of okra gas exchanges.”
Claim · model-written summary
Mulch stimulated okra gas exchange activity.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- Mulche0
- Outcome
- activity of okra gas exchangese0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mulch alleviated the reduced effects of irrigation water depth and stimulated the activity of okra gas exchanges.”
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