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April 26, 2026Jurnal Presipitasi Media Komunikasi dan Pengembangan Teknik LingkunganOpen Access

Starbo-AFE Compost and Volcanic Ash Improve Coffea liberica Growth in Tropical Peat Soils

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Authors

AMAnis Tatik MaryaniYAY. G. ArmandoAAAswandi Aswandi

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Overview

Randomized trial explores effects of compost and volcanic ash on growth of Coffea liberica, suggesting improved soil health.

Key Points

  • The objective is to evaluate the effects of Starbo-AFE compost and volcanic ash on the growth of Coffea liberica in tropical peat soils.
  • Conducted a two-factor factorial experiment in a randomized complete block design.
  • Tested three rates of Starbo-AFE compost and volcanic ash, with replications.
  • Measured leaf area, branch diameter, number of fruiting branches, chlorophyll content, and soil chemical properties.
  • Starbo-AFE compost increased leaf area by 54.6% and branch diameter by 17.5% at 500 g plant⁻¹ compared to control (p < 0.05).
  • Volcanic ash alone showed no short-term effect, but combined with compost it enhanced chlorophyll content.
  • Compost improved soil total nitrogen and organic carbon, while volcanic ash increased potassium availability.

Cite This Study

Maryani et al. (2025) studied this question.

synapsesocial.com/papers/69edaa9b4a46254e215b31behttps://doi.org/10.14710/presipitasi.v23i1.321-338
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