Abstract
Agriculture plays a vital role in providing food globally including Guyana, however, the increase in the human population adversely decreases farm size, which results in nutrient depletion on existing farms due to extensive farming activities on the same land season after season. Biochar is commonly used as a non-conventional farming system to enhance the soil’s quality and simultaneously to produce better yield of various staple food crops. Therefore, the purpose of this study was to evaluate the effectiveness of coconut biochar as a soil amendment and to quantify its impact on the growth performance of sweet peppers (Capsicum annuum L.) in Joanna, Black Bush Polder, Corentyne, Berbice, Guyana. A field trial was carried out using the randomized block experimental design with 15 g, 30 g, 45 g biochar; 2 g NPK; and control, each replicated on clayey loam soil. The physico-chemical characteristics of biochar were determined along with the soil-biochar mixture before and after cultivation. In addition, vegetative and reproductive parameters of the sweet peppers, nutrient content of the fruits and chlorophyll content of the leaves were examined. The results obtained from this study revealed that biochar played a minor role in enhancing the yield of the sweet peppers (31.44 g) and amending the soil characteristics when compared to the control. It was observed in this study that soil pH (8.4), organic carbon (1.9 %), carbohydrates concentration (1.25 %) of fruits and chlorophyll content (a:5.6097µM, b: 5.4833 µM, total: 11.093 µM) of the leaves increased with the application of biochar. Based on the obtained results, it can be inferred that biochar may potentially be recommended in the range of 30 g to 45 g as a soil amendment to enhance the growth performance of sweet peppers, however, further experiments with diverse crops and soils are still required to investigate the use of the exact quantity of biochar sourced from different materials.
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Claims 9
Claim · model-written summary
Biochar had a minor positive effect on sweet pepper yield, reaching 31.44 g relative to control.
- Taxon
- sweet peppers
Capsicum annuumt0 - Treatment
- biochare0
- Outcome
- yield of the sweet pepperse0
- Direction
- enhancinge0
- Value
- 31.44 ge0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“biochar played a minor role in enhancing the yield of the sweet peppers (31.44 g) and amending the soil characteristics when compared to the control”
t0“sweet peppers (Capsicum annuum L.)”
Claim · model-written summary
Biochar amended soil characteristics relative to control.
- Taxon
- sweet peppers
Capsicum annuumt0 - Treatment
- biochare0
- Outcome
- soil characteristicse0
- Comparator
- the controle0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“biochar played a minor role in enhancing the yield of the sweet peppers (31.44 g) and amending the soil characteristics when compared to the control”
t0“sweet peppers (Capsicum annuum L.)”
Claim · model-written summary
Biochar increased soil pH to 8.4.
- Taxon
- sweet peppers
Capsicum annuumt0 - Treatment
- application of biochare0
- Outcome
- soil pHe0
- Direction
- increasede0
- Value
- 8.4e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“soil pH (8.4), organic carbon (1.9 %), carbohydrates concentration (1.25 %) of fruits and chlorophyll content (a:5.6097µM, b: 5.4833 µM, total: 11.093 µM) of the leaves increased with the application of biochar”
t0“sweet peppers (Capsicum annuum L.)”
Claim · model-written summary
Biochar increased organic carbon to 1.9 %.
- Taxon
- sweet peppers
Capsicum annuumt0 - Treatment
- application of biochare0
- Outcome
- organic carbone0
- Direction
- increasede0
- Value
- 1.9 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“soil pH (8.4), organic carbon (1.9 %), carbohydrates concentration (1.25 %) of fruits and chlorophyll content (a:5.6097µM, b: 5.4833 µM, total: 11.093 µM) of the leaves increased with the application of biochar”
t0“sweet peppers (Capsicum annuum L.)”
Claim · model-written summary
Biochar increased carbohydrates concentration to 1.25 %.
- Taxon
- sweet peppers
Capsicum annuumt0 - Treatment
- application of biochare0
- Outcome
- carbohydrates concentratione0
- Direction
- increasede0
- Value
- 1.25 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“soil pH (8.4), organic carbon (1.9 %), carbohydrates concentration (1.25 %) of fruits and chlorophyll content (a:5.6097µM, b: 5.4833 µM, total: 11.093 µM) of the leaves increased with the application of biochar”
t0“sweet peppers (Capsicum annuum L.)”
Claim · model-written summary
Biochar increased leaf chlorophyll content to 5.6097µM.
- Taxon
- sweet peppers
Capsicum annuumt0 - Organ / stage
- leavese0
- Treatment
- application of biochare0
- Outcome
- chlorophyll contente0
- Direction
- increasede0
- Value
- 5.6097µMe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“chlorophyll content (a:5.6097µM, b: 5.4833 µM, total: 11.093 µM) of the leaves increased with the application of biochar”
t0“sweet peppers (Capsicum annuum L.)”
Claim · model-written summary
Biochar increased leaf chlorophyll content to 5.4833 µM.
- Taxon
- sweet peppers
Capsicum annuumt0 - Organ / stage
- leavese0
- Treatment
- application of biochare0
- Outcome
- chlorophyll contente0
- Direction
- increasede0
- Value
- 5.4833 µMe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“chlorophyll content (a:5.6097µM, b: 5.4833 µM, total: 11.093 µM) of the leaves increased with the application of biochar”
t0“sweet peppers (Capsicum annuum L.)”
Claim · model-written summary
Biochar increased leaf chlorophyll content to 11.093 µM.
- Taxon
- sweet peppers
Capsicum annuumt0 - Organ / stage
- leavese0
- Treatment
- application of biochare0
- Outcome
- chlorophyll contente0
- Direction
- increasede0
- Value
- 11.093 µMe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“chlorophyll content (a:5.6097µM, b: 5.4833 µM, total: 11.093 µM) of the leaves increased with the application of biochar”
t0“sweet peppers (Capsicum annuum L.)”
Claim · model-written summary
The authors tentatively recommend 30 g to 45 g biochar for pepper growth.
- Taxon
- sweet peppers
Capsicum annuumt0 - Treatment
- 30 g to 45 ge0
- Outcome
- biochar may potentially be recommended in the range of 30 g to 45 g as a soil amendmente0
- Qualifier
- may potentiallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“biochar may potentially be recommended in the range of 30 g to 45 g as a soil amendment to enhance the growth performance of sweet peppers”
t0“sweet peppers (Capsicum annuum L.)”
The same questions in other papers
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See all 5 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.