Abstract
Phosphorus retention by soils limits the availability of the plant nutrient for uptake. The effect is decreased plant growth and yield since P is required for root, shoot and reproductive development. Reduction in grain yield creates enormous gap in meeting the food need of society.Strategies that enhance the availability of P are vital in increasing soil productivity. The study was conducted to evaluate the effect of tillage and rate of P applied on biomass and grain yield of maize at three growth stages on two P retention soils. The experiment was a split plot arranged in randomized complete block design with three replications. Two tillage treatments: conventional tillage (CT) and no-tillage (NT) were the main plots and four rates of phosphorus (P0, P30, P60 and P90) were the subplots. Maize biomass and grain yield were significantly (p < 0.05) higher at all growth stages under CT for both soil types except the Rhodic Lixisol which recorded similar grain yield for both tillage types. Moreover, at all growth stages and both soil types, P60 produced significantly higher maize biomass and grain yield. Mechanical manipulation of soil and higher P rates were thus more likely to increase P availability for maize growth and yield. However, continuous conventional tillage might degrade the soil inthe long run.
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Claims 7
Claim · model-written summary
Conventional tillage gave higher biomass at all stages in both soils.
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize biomass and grain yield were significantly (p < 0.05) higher at all growth stages under CT for both soil types except the Rhodic Lixisol which recorded similar grain yield for both tillage types.”
Claim · model-written summary
Conventional tillage gave higher grain yield except on Rhodic Lixisol.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize biomass and grain yield were significantly (p < 0.05) higher at all growth stages under CT for both soil types except the Rhodic Lixisol which recorded similar grain yield for both tillage types.”
Claim · model-written summary
Rhodic Lixisol had similar grain yield under both tillage types.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the Rhodic Lixisol which recorded similar grain yield for both tillage types.”
t0“Maize”
Claim · model-written summary
P60 produced higher maize biomass across stages and soils.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at all growth stages and both soil types, P60 produced significantly higher maize biomass and grain yield.”
t0“Maize”
Claim · model-written summary
P60 produced higher grain yield across stages and soils.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at all growth stages and both soil types, P60 produced significantly higher maize biomass and grain yield.”
t0“Maize”
Claim · model-written summary
Authors infer mechanical manipulation and higher phosphorus likely increase phosphorus availability and maize output.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mechanical manipulation of soil and higher P rates were thus more likely to increase P availability for maize growth and yield.”
t0“Maize”
Claim · model-written summary
Continuous conventional tillage might degrade soil long term.
- Outcome
- continuous conventional tillage might degrade the soil inthe long rune0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“continuous conventional tillage might degrade the soil inthe long run.”
t0“Maize”
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