Jurnal Biologi Tropis
Vol. 25 No. 4 (2025): in Progress

Influence of NPK and Bokashi on Growth and Chlorophyll Content of Pakcoy (Brassica rapa L.)

Safitri, Ila (Unknown)
Mertha, I Gde (Unknown)
Raksun, Ahmad (Unknown)



Article Info

Publish Date
18 Oct 2025

Abstract

This study aimed to evaluate the effects of NPK fertilizer and bokashi on the vegetative growth and chlorophyll content of pakcoy (Brassica rapa L.). The objective was to determine both the single and interactive effects of these fertilizers on various growth parameters. The experiment was conducted at the Greenhouse of the Faculty of Agriculture, University of Mataram, from May to July 2025, using a completely randomized design (CRD) with two factors. The treatments consisted of five levels of NPK fertilizer (0–2 g/100 ml water) and five levels of bokashi (0–400 g/polybag). Data were analyzed using two-way ANOVA and Duncan’s Multiple Range Test (DMRT) at a 5% significance level. Results showed that NPK fertilizer significantly affected all growth parameters and chlorophyll content, while bokashi significantly influenced plant height, fresh weight, and dry weight. The interaction between NPK and bokashi significantly affected plant height and biomass but not leaf number, leaf area, or chlorophyll content. The best growth was obtained with 1.5 g NPK/100 ml water combined with 300 g bokashi/polybag. In conclusion, integrating organic and inorganic fertilizers improves nutrient efficiency and pakcoy productivity. These findings recommend integrated fertilization practices to promote sustainable crop production.

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Journal Info

Abbrev

JBT

Publisher

Subject

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

Description

Jurnal Biologi Tropis (ISSN Cetak 1411-9587 dan ISSN Online 2549-7863) diterbitkan mulai tahun 2000 dengan frekuensi 2 kali setahun oleh Program Studi Pendidikan Biologi PMIPA FKIP Universitas Mataram, berisi hasil penelitian dan ulasan Ilmiah dalam bidang Biologi ...