Author

Ali Hamzah Lubis

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Open access Jul 2026

Production of Corncob (Zea mays L.) and Rice Husk (Oryza sativa) Briquettes Using the Pyrolysis Method as an Alternative Energy Source

This study aims to utilize agricultural waste in the form of corn cobs (Zea mays L.) and rice husks (Oryza sativa) as raw materials for briquette production through the pyrolysis method to generate environmentally friendly alternative energy. The background of this research is based on the high production of agricultur...

Giovani Mei, Anggasta Telaumbanua, Muhammad Farhan et al. · Indonesian Journal of Chemic... · 0 citations

Open access Jul 2026

The Effect of Liquid Organic Fertilizer from Gamal Leaves (Gliricidia sepium) on the Growth of Cayenne Pepper (Capsicum frutescens L.) as a Natural Substitute for Urea

This study aims to determine the effect of liquid organic fertilizer (LOF) made from gamal leaves (Gliricidia sepium) on the growth of bird’s eye chili (Capsicum frutescens L.) as an alternative to natural urea fertilizer. The research is based on the high demand for fertilizers in chili cultivation and the negative im...

A. F. Pulungan · Indonesian Journal of Chemic... · 0 citations

Open access Jul 2026

Utilization of Active Compounds in Plants as Botanical Pesticides for the Control of Mealybug (Pseudococcus lilacinus)

This study aims to evaluate the effectiveness of active compounds contained in several plant species as botanical pesticides to control mealybug pests (Pseudococcus lilacinus). Mealybugs are major agricultural pests that damage plants by sucking cell sap, leading to growth inhibition and yield loss. The excessive use o...

Grandy Sihotang, Immanuel Veron Silitonga, Dela Oktavianti et al. · Indonesian Journal of Chemic... · 0 citations