Abstract
This study investigated the effects of a four-day irrigation interval at varying levels (100%, 90%, 80%, and 70% of crop evapotranspiration, ETc) on the growth, yield, and water use efficiency (WUE) of sweet pepper in Coastal Savannah zone of Ghana. The study employed a randomized complete block design (RCBD) involving four treatments and three replications to assess plant height, leaf area, fruit number, fruit weight, and WUE across two growing seasons. The findings indicated that 100% ETc produced the greatest growth and productivity, achieving a WUE of 1.3 kg/m³. 90% ETc sustained elevated yields and WUE, indicating that little water stress can improve water utilization without significant yield reductions. Conversely, 70% ETc markedly decreased growth, yield and WUE, highlighting sweet pepper’s vulnerability to water stress, particularly during flowering and fruit maturation. Seasonal variations influenced performance, yielding superior outcomes in the initial season owing to advantageous climatic conditions. The research highlights the significance of stage-specific irrigation, especially during the mid-season when water requirements are at their highest. It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield, hence providing essential recommendations for farmers and policymakers on effective water management.
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Claims 11
Claim · model-written summary
Full ETc irrigation produced greatest growth and productivity.
- Taxon
- sweet pepper
Capsicum annuume0e1 - Treatment
- 100% ETce0
- Outcome
- growth and productivitye0
- Direction
- greateste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“100% ETc produced the greatest growth and productivity”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
Full ETc irrigation achieved water-use efficiency of 1.3 kg/m³.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“100% ETc produced the greatest growth and productivity, achieving a WUE of 1.3 kg/m³.”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
At 90% ETc, yields remained elevated.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“90% ETc sustained elevated yields and WUE”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
At 90% ETc, water-use efficiency remained elevated.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“90% ETc sustained elevated yields and WUE”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
The authors report no significant yield reduction under modest water stress.
- Taxon
- sweet pepper
Capsicum annuume0e1 - Treatment
- little water stresse0
- Outcome
- yield reductionse0
- Direction
- without significant yield reductionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“little water stress can improve water utilization without significant yield reductions.”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
At 70% ETc, growth decreased markedly.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“70% ETc markedly decreased growth, yield and WUE”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
At 70% ETc, yield decreased markedly.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“70% ETc markedly decreased growth, yield and WUE”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
At 70% ETc, water-use efficiency decreased markedly.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“70% ETc markedly decreased growth, yield and WUE”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
The initial season had superior performance, attributed to climate.
- Taxon
- sweet pepper
Capsicum annuume0e1 - Outcome
- performancee0
- Direction
- superiore0
- Qualifier
- advantageous climatic conditionse0
- Setting
- initial seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Seasonal variations influenced performance, yielding superior outcomes in the initial season owing to advantageous climatic conditions.”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
The authors identify mid-season as the period with highest water requirements.
- Taxon
- sweet pepper
Capsicum annuume0e1 - Organ / stage
- mid-seasone0
- Outcome
- water requirementse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“during the mid-season when water requirements are at their highest.”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
Claim · model-written summary
The authors advocate 90% ETc irrigation for sustainable sweet pepper cultivation.
- Taxon
- sweet pepper
Capsicum annuume0e1 - Outcome
- 90% ETce0
- Setting
- arid placese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
e1“It advocates for 90% ETc to provide sustainable sweet pepper cultivation in arid places, optimizing water conservation and yield”
The same questions in other papers
drought · yield · Capsicum annuum (sweet pepper)Results differ
7 papers in the same direction as this paper · 3 in the opposite direction
- positive
- positive
- positive
7 papers more in this group
See all 11 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.