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All Journal Botani: Publikasi Ilmu Tanaman dan Agribisnis
Moh. Syahrul Munir
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Agriculture, Biological Sciences & Forestry

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Pengaruh Dosis Pupuk NPK Phonska dan Metode Aplikasinya terhadap Indeks Luas Daun Bibit Kelapa Sawit (Elaeis guineensis Jacq.) Pada Tahap Pre-Nursery Moh. Syahrul Munir; Dewi Puspa Arisandi; Desi Rejeki; Nur Halimah
Botani : Publikasi Ilmu Tanaman dan Agribisnis Vol. 1 No. 3 (2024): September : Botani : Publikasi Ilmu Tanaman dan Agribisnis
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/botani.v1i3.94

Abstract

Oil palm (Elaeis guineensis Jacq.) is one of the world's important commodities as a producer of vegetable oil needed by various industries. Leaf area index is one of the indicators of plant growth seen from the size of the leaf surface area that carries out the photosynthesis process. This study aims to determine the interaction of NPK Phonska fertilizer dose treatment and its application method on the Leaf Area Index of oil palm seedlings at the pre-nursery stage. The study was designed using factorial RAK consisting of 2 factors, namely the dose of NPK Phonska fertilizer (K) and its application method (A), and 3 replications. The K factor consists of 5 levels, namely K0 = 0 g/seedling; K1 = 0.5 g/seedling, K2 = 1 g/seedling, K3 = 1.5 g/seedling, and K4 = 2 g/seedling. Factor A consists of 3 levels, namely A1 = watering, A2 = spreading, and A3 = bag. The observation results were analyzed using analysis of variance and further DMRT test at 5% level if significantly different. The results of the study showed that the dose of NPK Phonska fertilizer 1 g/seedling (K2) gave the highest results on the Leaf Area Index, which was 2.90. The interaction treatment of NPK Phonska fertilizer dose 1 g/seedling and the pocket application method (K2A3) gave the highest results on the parameters of seedling height (12.99 cm) and tuber diameter (1.31 cm). The Leaf Area Index weakened positively on the growth of oil palm seedlings as seen from the height of the seedlings, tuber diameter, and leaf sheath length.
Respon Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq.) Terhadap Dosis KCl dan Metode Aplikasinya di Pre-Nursery Moh. Syahrul Munir; Elis Rahmawati Mar`atus Sholihah; Titin Andriyni Atmojo; Getta Hayyuning Mangesti
Botani : Publikasi Ilmu Tanaman dan Agribisnis Vol. 3 No. 1 (2026): Januari : Botani : Publikasi Ilmu Tanaman dan Agribisnis
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/botani.v3i1.534

Abstract

Oil palm (Elaeis guineensis Jacq.) is an important plantation commodity that makes a significant contribution to Indonesia's economy. One of the macro nutrients that plays a role in supporting plant growth is potassium (K), which is involved in various physiological processes. The effectiveness of nutrient utilization is not only determined by the amount of fertilizer applied but also influenced by the application method, especially during the early seedling phase. This study aims to examine the growth response of oil palm seedlings to variations in KCl fertilizer doses and different fertilizer application methods during the pre-nursery phase. The experiment was arranged using a Factorial Randomized Block Design (RBD) with two treatment factors, namely KCl fertilizer dose and fertilizer application method, each with three replications. The KCl doses consisted of five levels, while the application methods included watering, broadcasting, and localized application (pocket). The observation data were analyzed using analysis of variance and followed by Duncan Multiple Range Test (DMRT) at a 5% level if there were significant differences. The results of the study showed that there was no interaction between the dose of KCl fertilizer and its application method on all observed oil palm seedling growth parameters.
Respon Dosis Pupuk KCl dan Cekaman Kekeringan pada Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq.) di Pembibitan Awal Pre-Nursery Moh. Syahrul Munir; Titin Andriyni Atmojo; Elis Rahmawati Mar`atus Sholihah; Getta Hayyuning Mangesti
Botani : Publikasi Ilmu Tanaman dan Agribisnis Vol. 3 No. 2 (2026): Mei : Botani : Publikasi Ilmu Tanaman dan Agribisnis
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/botani.v3i2.599

Abstract

This study aimed to determine the response of oil palm (Elaeis guineensis Jacq.) seedlings to KCl fertilizer dosage and drought stress in the early pre-nursery seedling phase. The experiment used a factorial randomized block design (RBD) with a combination of KCl dosage and soil water content, replicated three times, with observations made on the parameters of corm diameter, leaf width, and number of leaves. The observation data were analyzed using analysis of variance and continued with the Duncan Multiple Range Test (DMRT) at the 5% level if there were significant differences. The results showed that KCl dosage, drought stress, or the interaction of the two did not have a significant effect on corm diameter and number of leaves. Conversely, drought stress individually had a significant effect on leaf width, while KCl dosage showed no significant effect. The interaction between KCl dosage and drought also had no statistical impact on leaf width. These findings indicate that in the pre-nursery phase, oil palm seedling growth in corm diameter and number of leaves was relatively stable across treatments, while leaf width was more sensitive to water limitations. The implications of this study indicate the importance of managing the availability of water in the planting medium to support leaf growth, while the administration of KCl at the tested dose has not provided a significant effect on the initial phase of seedling growth.
Co-Authors Desi Rejeki Dewi Puspa Arisandi Elis Rahmawati Mar`atus Sholihah Getta Hayyuning Mangesti Nur Halimah Titin Andriyni Atmojo