International Integrated Agricultural Journal (IIAJ)
Vol. 1 No. 2 (2025): November 2025

The Effect of Gamal Leaf Fertilizer Concentration on the Growth and Production of Glutenated Corn

Agustin Rindha Yonita (Food Production Technology, Department of Agricultural Technology, State Polytechnic of Jember, Indonesia)
Ilham Muhklisin (Food Production Technology, Department of Agricultural Technology, State Polytechnic of Jember, Indonesia)
Andarula Galushasti (Food Production Technology, Department of Agricultural Technology, State Polytechnic of Jember, Indonesia)
Iqbal Erdiansyah (Food Production Technology, Department of Agricultural Technology, State Polytechnic of Jember, Indonesia)



Article Info

Publish Date
15 Nov 2025

Abstract

Excessive use of chemical fertilizers leads to soil degradation which gradually reduces corn productivity. Therefore, using organic fertilizers such as liquid organic fertilizers made from Gamal aka Gliricidia leaves and their proper application needs to be encouraged. This study aims to determine the growth and yield of waxy corn plants in response to the administration of liquid gliricidia leaf fertilizer with various concentrations and time intervals. This research was conducted in Politeknik Negeri Jember, East Java from July 2024 to October 2024. This research was conducted on a Non-Factorial Randomized Block Design where the treatment level was a combination of the liquid fertilizer concentration and application time interval consisting of control, 50 ml / l + 1 week, 50 ml / l + 2 weeks, 75 ml / l + 1 week, 75 ml / l + 2 weeks, 100 ml / l + 1 week, and 100 ml / l+ 2 weeks. The results showed that the treatment of 75 ml/l concentration + 2-week interval significantly showed the best results in stem diameter, cob length, cob diameter, and cob weight. It can be concluded that the application of liquid organic fertilizer made from gliricidia leaves can be an alternative to minimize the use of chemical fertilizers in waxy corn plants.

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Journal Info

Abbrev

iiaj

Publisher

Subject

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Environmental Science Immunology & microbiology

Description

International Integrated Agricultural Journal (IIAJ) is a scientific journal published periodically and contains research results, theoretical studies, and critical thinking in agriculture and agroindustry. This journal aims to be a forum for scientific publications for historians, researchers, ...