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Filter cake increases sugarcane yield.

J H B Silva1, L J M Almeida1, A V Silva1

  • 1Universidade Federal da Paraíba, Areia, PB, Brasil.

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|June 7, 2023
PubMed
Summary
This summary is machine-generated.

Enriched filter cake boosts sugarcane yield and improves plant gas exchange. Treatments like T1 (filter cake) and T10 (filter cake + gypsum + bagasse) are recommended for increased production in the sugar-energy sector.

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Area of Science:

  • Agronomy
  • Soil Science
  • Plant Physiology

Background:

  • Sugarcane is a key crop in Brazilian agribusiness, vital for sugar and ethanol production.
  • Effective fertilization is crucial for optimizing sugarcane yield, with filter cake offering a sustainable nutrient source.
  • Understanding the impact of enriched filter cake on sugarcane physiology and productivity is essential for agricultural advancement.

Purpose of the Study:

  • To evaluate the effects of enriched filter cake on gas exchange and yield of RB041443 sugarcane variety.
  • To identify optimal filter cake enrichment strategies for enhancing sugarcane productivity.
  • To assess the impact of various filter cake amendments on plant physiological responses.

Main Methods:

  • A randomized blocks experimental design with 12 treatments and 4 replications was employed.
  • Treatments included filter cake alone and enriched with various amendments like MAP, gypsum, phosphate, and bagasse.
  • Key variables measured included leaf number, tons of stem per hectare (TSH), stomatal conductance (gs), internal carbon concentration, and transpiration.

Main Results:

  • Significant improvements in TSH were observed with treatments T1 (filter cake), T4 (filter cake + phosphate), T6 (filter cake + MAP + gypsum), and T10 (filter cake + gypsum + bagasse), exceeding 140 t ha-1.
  • Highest stomatal conductance values were recorded in treatments T6, T8, and T11, indicating enhanced gas exchange.
  • Internal carbon concentration and transpiration also showed positive responses to specific enriched filter cake treatments.

Conclusions:

  • Enriched filter cake serves as an effective base fertilizer for sugarcane cultivation, significantly increasing the yield of the RB041443 variety.
  • The application of enriched filter cake positively influences sugarcane plant gas exchange parameters.
  • Treatments T1 and T10 are particularly recommended for boosting sugarcane production within the sugar-energy sector.