Abstract
Aims: This study was conducted to enhance the tolerance of common beans to drought events occurring at the reproductive stage, from a soil improvement perspective. Study Design: Split plot completely randomized design was used. Place and Duration of Study: Study was conducted in a screen-house at the Legumes and Oil Seeds Division of CSIR-Crops Research Institute, Ghana, from September 2021 to January 2022. Methodology: Municipal Solid Waste Compost and inorganic fertilizer combinations were applied to common beans in a pot experiment. They included control, full rate compost (FRAC), full rate fertilizer (NPK 5:30:30 kg/ha) (FRG), FRG + half rate compost (HRAC) and FRG + FRAC. All soils were maintained at 80% field capacity (FC) from the start of the experiment. At flowering, two groups of plants were water stressed till 40 and 16% FC and returned to 80% FC till physiological maturity, while one group maintained 80% FC throughout study. Forty-five soil samples each and plant data were collected at 3, 7 and 10 weeks after planting. Samples were analyzed for soil organic matter (SOM) and water retention, soil nutrients, crop growth, yield and nutrient uptake. Water and nitrogen use efficiencies (W/NUE) were calculated after harvest. Results: During the growing period, highest soil moisture (6-9 cm3/cm3) was retained by FRG and FRG+HRAC, FRG+FRAC; 20-38% more than FRAC and control but was not influenced by SOM. While FRG influenced the highest yield and WUE, combining it with compost rates reduced yield by 56-84% and WUE by 55-64%. WUE correlated positively with NUE. Conclusion: Antagonistic effect observed with integrating compost with FRG is likely because compost was not properly cured and immobilized soil nitrogen. Farmers can mitigate short-term drought effects on common beans with adequate nutrient supply through fertilizer application; however, fertilizer should only be integrated with compost after compost quality analysis.
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Claims 10
Claim · model-written summary
FRG retained the highest soil moisture, 6-9 cm3/cm3 and 20-38% above FRAC and control.
- Treatment
- FRGe0
- Outcome
- soil moisturee0
- Direction
- higheste0
- Value
- 6-9 cm3/cm3e0
- Qualifier
- 20-38% moree0
- Comparator
- FRAC and controle0
Not reportedTaxon
Verbatim
e0“highest soil moisture (6-9 cm3/cm3) was retained by FRG and FRG+HRAC, FRG+FRAC; 20-38% more than FRAC and control”
Claim · model-written summary
FRG+HRAC retained the highest soil moisture, 20-38% above FRAC and control.
- Treatment
- FRG+HRACe0
- Outcome
- soil moisturee0
- Direction
- higheste0
- Value
- 6-9 cm3/cm3e0
- Qualifier
- 20-38% moree0
- Comparator
- FRAC and controle0
Not reportedTaxon
Verbatim
e0“highest soil moisture (6-9 cm3/cm3) was retained by FRG and FRG+HRAC, FRG+FRAC; 20-38% more than FRAC and control”
Claim · model-written summary
FRG+FRAC retained the highest soil moisture, 20-38% above FRAC and control.
- Treatment
- FRG+FRACe0
- Outcome
- soil moisturee0
- Direction
- higheste0
- Value
- 6-9 cm3/cm3e0
- Qualifier
- 20-38% moree0
- Comparator
- FRAC and controle0
Not reportedTaxon
Verbatim
e0“highest soil moisture (6-9 cm3/cm3) was retained by FRG and FRG+HRAC, FRG+FRAC; 20-38% more than FRAC and control”
Claim · model-written summary
Soil moisture was not influenced by soil organic matter.
Not reportedTaxon
Verbatim
e0“highest soil moisture (6-9 cm3/cm3) was retained by FRG and FRG+HRAC, FRG+FRAC; 20-38% more than FRAC and control but was not influenced by SOM”
Claim · model-written summary
FRG produced the highest common bean yield and water use efficiency.
- Taxon
- Common Bean
Phaseolus vulgarist0 - Treatment
- FRGe0
- Outcome
- yield and WUEe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“While FRG influenced the highest yield and WUE”
t0“Common Bean”
Claim · model-written summary
Combining FRG with compost rates reduced common bean yield by 56-84%.
- Taxon
- Common BeanPhaseolus vulgarist0
- Treatment
- compost ratese0
- Outcome
- yielde0
- Direction
- reducede0
- Value
- 56-84%e0
- Comparator
- FRGe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“While FRG influenced the highest yield and WUE, combining it with compost rates reduced yield by 56-84% and WUE by 55-64%.”
t0“Common Bean”
Claim · model-written summary
Combining FRG with compost rates reduced common bean WUE by 55-64%.
- Taxon
- Common BeanPhaseolus vulgarist0
- Treatment
- compost ratese0
- Outcome
- WUEe0
- Direction
- reducede0
- Value
- 55-64%e0
- Comparator
- FRGe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“While FRG influenced the highest yield and WUE, combining it with compost rates reduced yield by 56-84% and WUE by 55-64%.”
t0“Common Bean”
Claim · model-written summary
Common bean WUE correlated positively with NUE.
- Taxon
- Common BeanPhaseolus vulgarist0
- Outcome
- WUEe0
- Direction
- positivelye0
- Qualifier
- NUEe0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WUE correlated positively with NUE.”
t0“Common Bean”
Claim · model-written summary
The antagonism of compost with FRG likely resulted from improperly cured compost immobilizing soil nitrogen.
- Taxon
- Common BeanPhaseolus vulgarist0
- Treatment
- integrating compost with FRGe0
- Outcome
- Antagonistic effecte0
- Qualifier
- compost was not properly cured and immobilized soil nitrogene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Antagonistic effect observed with integrating compost with FRG is likely because compost was not properly cured and immobilized soil nitrogen.”
t0“Common Bean”
Claim · model-written summary
Farmers can mitigate short droughts in common beans with fertilizer nutrient supply, integrating compost only after quality analysis.
- Taxon
- common beansPhaseolus vulgarise0
- Outcome
- adequate nutrient supply through fertilizer applicatione0
- Qualifier
- fertilizer should only be integrated with compost after compost quality analysise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Farmers can mitigate short-term drought effects on common beans with adequate nutrient supply through fertilizer application; however, fertilizer should only be integrated with compost after compost quality analysis.”
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