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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Edy Syafril Hayat
Department of Agrotechnology, Faculty of Agricultural Science and Technology, Panca Bhakti University, Jl. Komodor Yos Sudarso No. 1, Pontianak, West Kalimantan 78244, INDONESIA
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Growth and yield responses of pak choi to application of water hyacinth-based compost and banana stem PGPR in alluvial soil Rini Suryani; Sutikarini Sutikarini; Agnes Tutik Purwani Irianti; Edy Syafril Hayat
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 54 No. 2 (2026): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v54i2.72423

Abstract

Pak choi (Brassica rapa L.) is a very popular vegetable, but its productivity is still low in West Kalimantan’s alluvial soils because of low soil fertility. Plant productivity and soil quality may be improved by adding plant growth-promoting rhizobacteria (PGPR) to water hyacinth-based compost and banana stems. This study aimed to evaluate the application of water hyacinth-based compost and banana-stem-originated PGPR on the growth and yield of pak choi in alluvial soil. The experiment was conducted in Pal IX, Kubu Raya, using a two-factor completely randomized design (CRD) with three replicates. The first factor was compost level (0, 50, and 100 g per polybag), and the second factor was PGPR concentrations (5, 10, and 15 mL L-1). Plant height, leaf number, shoot fresh weight, root fresh weight, chlorophyll content, and root volume were evaluated. Results showed there was an interaction effect of treatments on plant height, while other variables were mainly influenced by compost. Application of water hyacinth-based compost significantly improved plant growth and chlorophyll content, indicating its potential to enhance pak choi performance. On the other hand, PGPR concentrations did not produce significant differences in plant growth and chlorophyll content. Compost application at levels of 50 and 100 g per polybag improved pak choi growth and biomass as compared to the control treatment. Keywords: leafy vegetables; plant growth; Pontederia crassipes; soil fertility; sustainable agriculture
Co-Authors Agnes Tutik Purwani Irianti Rini Suryani Sutikarini Sutikarini