Abstract
The study was conducted on farmers' field in sofi district of Harari Regional State during 2013/2014 main cropping season, eastern Ethiopia, to investigate the impact of brewery sludge on sorghum production and soil fertility. The treatments comprised seven levels of brewery sludges (0, 2.5, 5.0, 7.5, 10.0, 12.5 and 15.0 t ha-1) and NP inorganic fertilizer at recommended rate, arranged in randomized complete block design with four replications. Application of brewery sludge at 15 t ha-1 significantly increased the yield and biomass yield of sorghum by 79 and 85% over control and by 57 and 67% over NP application, respectively. There was no effect of brewery sludge application on heavy metals concentrations in soil after crop harvest, compared to international standard tolerable level. Co and Se levels were high in the control as well as in the soils treated with brewery sludge indicating the already high concentration of these heavy metals in the soils of the area. Plots, which received higher brewery sludge application, resulted in decreased or less percentage of grain nitrogen content showing the independence of grain protein content on lower brewery sludge level. The nitrogen uptake by sorghum grain, straw and the total was maximum (52.68, 44.25 and 79.03 kg ha-1, respectively) with the application of brewery waste sludge at 10 and 15 t ha-1 which were significantly higher than the other brewery sludge and NP mineral fertilizer applications.
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Claims 10
Claim · model-written summary
At 15 t ha-1, sludge raised sorghum yield 79% over control.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)
Sorghum bicolort0 - Treatment
- brewery sludge at 15 t ha-1e0
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 79e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of brewery sludge at 15 t ha-1 significantly increased the yield and biomass yield of sorghum by 79 and 85% over control and by 57 and 67% over NP application, respectively.”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
At 15 t ha-1, sludge raised biomass yield 85% over control.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Treatment
- brewery sludge at 15 t ha-1e0
- Outcome
- biomass yielde0
- Direction
- increasede0
- Value
- 85%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of brewery sludge at 15 t ha-1 significantly increased the yield and biomass yield of sorghum by 79 and 85% over control and by 57 and 67% over NP application, respectively.”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
At 15 t ha-1, sludge raised yield 57% over NP application.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Treatment
- brewery sludge at 15 t ha-1e0
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 57e0
- Comparator
- NP applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of brewery sludge at 15 t ha-1 significantly increased the yield and biomass yield of sorghum by 79 and 85% over control and by 57 and 67% over NP application, respectively.”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
At 15 t ha-1, sludge raised biomass yield 67% over NP application.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Treatment
- brewery sludge at 15 t ha-1e0
- Outcome
- biomass yielde0
- Direction
- increasede0
- Value
- 67%e0
- Comparator
- NP applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of brewery sludge at 15 t ha-1 significantly increased the yield and biomass yield of sorghum by 79 and 85% over control and by 57 and 67% over NP application, respectively.”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Sludge did not change postharvest soil heavy metal concentrations relative to the standard.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Treatment
- brewery sludge applicatione0
- Outcome
- heavy metals concentrations in soile0
- Direction
- no effecte0
- Comparator
- international standard tolerable levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no effect of brewery sludge application on heavy metals concentrations in soil after crop harvest, compared to international standard tolerable level.”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Co and Se levels were high in control and treated soils.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Outcome
- Co and Se levelse0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Co and Se levels were high in the control as well as in the soils treated with brewery sludge”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Higher sludge application decreased grain nitrogen content.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Treatment
- higher brewery sludge applicatione0
- Outcome
- grain nitrogen contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plots, which received higher brewery sludge application, resulted in decreased or less percentage of grain nitrogen content”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Grain nitrogen uptake reached 52.68 kg ha-1 with sludge at 10 and 15 t ha-1.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Treatment
- brewery waste sludge at 10 and 15 t ha-1e0
- Outcome
- nitrogen uptake by sorghum graine0
- Direction
- maximume0
- Value
- 52.68e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The nitrogen uptake by sorghum grain, straw and the total was maximum (52.68, 44.25 and 79.03 kg ha-1, respectively) with the application of brewery waste sludge at 10 and 15 t ha-1 which were significantly higher than the other brewery sludge and NP mineral fertilizer applications.”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Straw nitrogen uptake reached 44.25 kg ha-1 with sludge at 10 and 15 t ha-1.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Outcome
- nitrogen uptake by sorghum grain, strawe0
- Direction
- maximume0
- Value
- 44.25e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The nitrogen uptake by sorghum grain, straw and the total was maximum (52.68, 44.25 and 79.03 kg ha-1, respectively) with the application of brewery waste sludge at 10 and 15 t ha-1 which were significantly higher than the other brewery sludge and NP mineral fertilizer applications.”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Total nitrogen uptake reached 79.03 kg ha-1 with sludge at 10 and 15 t ha-1.
- Taxon
- Sorghum (Sorghum bicolor L. Moench)Sorghum bicolort0
- Outcome
- nitrogen uptake by sorghum grain, straw and the totale0
- Direction
- maximume0
- Value
- 79.03 kg ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The nitrogen uptake by sorghum grain, straw and the total was maximum (52.68, 44.25 and 79.03 kg ha-1, respectively) with the application of brewery waste sludge at 10 and 15 t ha-1 which were significantly higher than the other brewery sludge and NP mineral fertilizer applications.”
t0“Sorghum (Sorghum bicolor L. Moench)”
The same questions in other papers
organic · nutrient: content · Sorghum bicolor (sorghum)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
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organic · yield · Sorghum bicolor (sorghum)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
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.