Abstract
Context Innovative sugarcane management with foliar multinutrient fertilizers and ripeners can increase global production of renewable fuels, sugar, and energy by improving plant growth, sucrose accumulation, and yield. However, the combined effects and timing remain unclear. Aims This study evaluated the impact of foliar multinutrient fertilizer and ripener application, alone or together, on sugarcane growth, quality, yield, and enzymatic activities. Methods Eight treatments combining foliar fertilization at vegetative and/or maturation stages with or without ripener (control, V, M, VM, R, VR, MR, and VMR) were assessed in 18 field experiments at 10 sites in southern-central Brazil over three seasons, by using a randomized block with four replicates design. Data on growth metrics, enzymatic activities, and sugar production were analyzed by ANOVA and the Scott–Knott test. Key results Growth metrics were highest when foliar fertilization occurred at the vegetative stage, with or without ripener. The V, VM, VR, and VMR treatments increased stalk yield by 7.2, 10.5, 5.9, and 9.2 Mg ha−1 respectively, compared with the control. Ripener application increased recoverable sugar by 7.2 kg Mg stalk−1, whereas combined fertilizer and ripener application boosted sugar yield by 2.1 Mg ha−1 and energy production by 7.8%. Neutral invertase and sucrose synthase activities were highest and lowest respectively, in the VMR treatment. Conclusions Combining foliar fertilization at vegetative and maturation stages with ripener application is an effective strategy to enhance sugarcane growth, yield, and sucrose metabolism. Implications This combined approach can improve sugarcane management yield and sustainability in bioenergy and sugar industries.
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Claims 11
Claim · model-written summary
Sugarcane growth metrics were highest when foliar fertilization occurred at the vegetative stage, with or without ripener.
- Taxon
- sugarcanet0
- Treatment
- foliar fertilization occurred at the vegetative stagee0
- Outcome
- Growth metricse0
- Direction
- higheste0
Not reportedComparator
Verbatim
t0“sugarcane”
e0“Growth metrics were highest when foliar fertilization occurred at the vegetative stage, with or without ripener”
Claim · model-written summary
Treatment V (foliar fertilization at the vegetative stage) increased sugarcane stalk yield by 7.2 Mg ha-1 compared with the control.
Verbatim
t0“sugarcane”
e0“The V, VM, VR, and VMR treatments increased stalk yield by 7.2, 10.5, 5.9, and 9.2 Mg ha−1 respectively, compared with the control”
Claim · model-written summary
Treatment VM increased sugarcane stalk yield by 10.5 Mg ha-1 compared with the control.
Verbatim
t0“sugarcane”
e0“The V, VM, VR, and VMR treatments increased stalk yield by 7.2, 10.5, 5.9, and 9.2 Mg ha−1 respectively, compared with the control”
Claim · model-written summary
Treatment VR increased sugarcane stalk yield by 5.9 Mg ha-1 compared with the control.
Verbatim
t0“sugarcane”
e0“The V, VM, VR, and VMR treatments increased stalk yield by 7.2, 10.5, 5.9, and 9.2 Mg ha−1 respectively, compared with the control”
Claim · model-written summary
Treatment VMR increased sugarcane stalk yield by 9.2 Mg ha-1 compared with the control.
Verbatim
t0“sugarcane”
e0“The V, VM, VR, and VMR treatments increased stalk yield by 7.2, 10.5, 5.9, and 9.2 Mg ha−1 respectively, compared with the control”
Claim · model-written summary
Ripener application increased recoverable sugar by 7.2 kg per Mg of stalk.
- Taxon
- sugarcanet0
- Treatment
- Ripener applicatione0
- Outcome
- recoverable sugare0
- Direction
- increasede0
- Value
- 7.2 kg Mg stalk−1e0
Not reportedComparator
Verbatim
t0“sugarcane”
e0“Ripener application increased recoverable sugar by 7.2 kg Mg stalk−1”
Claim · model-written summary
Combined fertilizer and ripener application boosted sugar yield by 2.1 Mg ha-1.
- Taxon
- sugarcanet0
- Treatment
- combined fertilizer and ripener applicatione0
- Outcome
- sugar yielde0
- Direction
- boostede0
- Value
- 2.1 Mg ha−1e0
Not reportedComparator
Verbatim
t0“sugarcane”
e0“combined fertilizer and ripener application boosted sugar yield by 2.1 Mg ha−1 and energy production by 7.8%”
Claim · model-written summary
Combined fertilizer and ripener application boosted energy production by 7.8%.
- Taxon
- sugarcanet0
- Treatment
- combined fertilizer and ripener applicatione0
- Outcome
- energy productione0
- Direction
- boostede0
- Value
- 7.8%e0
Not reportedComparator
Verbatim
t0“sugarcane”
e0“combined fertilizer and ripener application boosted sugar yield by 2.1 Mg ha−1 and energy production by 7.8%”
Claim · model-written summary
Neutral invertase activity was highest in the VMR treatment.
- Taxon
- sugarcanet0
- Treatment
- VMR treatmente0
- Gene
- Neutral invertasee0
- Outcome
- activitiese0
- Direction
- higheste0
Not reportedComparator
Verbatim
t0“sugarcane”
e0“Neutral invertase and sucrose synthase activities were highest and lowest respectively, in the VMR treatment”
Claim · model-written summary
Sucrose synthase activity was lowest in the VMR treatment.
Not reportedComparator
Verbatim
t0“sugarcane”
e0“Neutral invertase and sucrose synthase activities were highest and lowest respectively, in the VMR treatment”
Claim · model-written summary
The authors conclude that combining foliar fertilization at vegetative and maturation stages with ripener application is an effective strategy to enhance sugarcane growth, yield and sucrose metabolism.
Verbatim
e0“Combining foliar fertilization at vegetative and maturation stages with ripener application is an effective strategy to enhance sugarcane growth, yield, and sucrose metabolism”
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