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Journal of Agro Plantation (JAP)
Published by Politeknik Negeri Ketapang
ISSN : -     EISSN : 28307097     DOI : https://doi.org/10.58466/jap
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal of Agro Plantation (JAP) adalah jurnal Budidaya Tanaman Perkebunan. Terbit berkala enam bulan sekali . Sebagai wahana komunikasi insan akademik dalam bidang Ilmu Budidaya Tanaman (Agronomi), Ilmu Tanah, Perlindungan Tanaman, Teknologi Benih, Pemuliaan Tanaman, Teknologi Pertanian, Kimia Pertanian. JAP mengundang kepada para pakar dan akademisi agar menyumbangkan naskah, baik berupa hasil penelitian, kajian mendalam, sesuai dengan disiplin Ilmu Pertanian. Naskah yang diajukan adalah naskah Asli (tidak plagiat) dan belum pernah dipublikasikan
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 72 Documents
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APLIKASI KOMPOS BATANG PISANG PADA MEDIA GAMBUT UNTUK MENINGKATKAN PERTUMBUHAN BIBIT KOPI ROBUSTA sopiana sopiana; Rosmalinda Rosmalinda; Tardi Kurniawan
Journal of Agro Plantation (JAP) Vol 5 No 1 (2026)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/h109dk38

Abstract

Efforts to improve the quality of peat soil to become a more productive medium can be done by providing banana stem compost because it contains macro nutrients that are very much needed by plants. This study aims to determine the role of banana stem compost in peat media to increase the growth of robusta coffee seedlings. This study was conducted at the experimental garden on Jalan Rangga Sentap II, Ketapang Regency, West Kalimantan, from March to June 2024. This study used a non-factorial completely randomized design (CRD) consisting of 6 treatment levels and 4 replications so that there were 24 experimental units, where each replication consisted of 3 plants so that 72 samples were obtained. The treatments were P0: Without banana stem compost, P1: 650 g polybag-1, P2 :700 g polybag-1, P3: 750 g polybag-1, P4: 800 g polybag-1, P5: 850 g polybag-1. Observation parameters included seedling height, stem diameter, number of leaves, root length, and dry weight of seedlings. The data obtained were analyzed statistically by Analysis of Variance (ANOVA). Data showing a significant effect were further analysed using Duncan’s Multiple Range Test (DMRT) at the 5% significance level. The application of banana stem compost to peat-based growing media had a significant effect on the growth of Robusta coffee seedlings. A dose of 850 g polybag-1 of banana stem compost per polybag was found to be the most effective dose for enhancing the growth of Robusta coffee seedlings in peat-based growing media.
PERBANDINGAN EFEK H2SO4 DAN ZAT PENGATUR TUMBUH CAMPURAN DARI BAHAN ALAMI DALAM MEMATAHKAN                                         DORMANSI BENIH KOPI ROBUSTA Nurhayati Nurhayati; Anto Susanto
Journal of Agro Plantation (JAP) Vol 5 No 1 (2026)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/4avkk766

Abstract

Coffee seeds often undergo dormancy, which hinders the germination process. The use of natural plant growth regulators (PGRs) such as a mixture of young coconut water and red onion extract can be an alternative to break dormancy, as the ingredients are easily obtained, safe, and environmentally friendly. This study aims to determine the optimal concentration of the GHR mixture that can replace the use of H₂SO₄ on Robusta coffee seeds. The research was conducted at the Experimental Farm on Jl. Gusti Mesir, Medan Jaya Village, Kayong Utara, from January to April 2025, using a completely randomized design with six treatments and three replications, each with 25 seeds per replication. The treatments consisted of 20% H₂SO₄ (control), PGRs mixtures at concentrations of 20%, 40%, 60%, 80%, and 100%. Parameters observed were germination percentage, germination rate, vigor index, and dormancy intensity. Data analysis used analysis of variance and BNT test at the 5% level. The results showed that the 100% PGRs mixture could replace H₂SO₄ in breaking seed dormancy especially robusta coffee seed.

Page 8 of 8 | Total Record : 72

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