PERBANDINGAN ANTARA KOMPOS JANGKOS DAN NPK TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Ealeis Guineensis Jacq.)

ILHAM SYAHPUTRA, NPM 2203100070 (2026) PERBANDINGAN ANTARA KOMPOS JANGKOS DAN NPK TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Ealeis Guineensis Jacq.). Skripsi thesis, Universitas Labuhanbatu.

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pemberian kompos janjang kosong kelapa sawit (Jangkos) dan pupuk NPK terhadap pertumbuhan bibit kelapa sawit (Elaeis guineensis Jacq.) fase pre nursery, serta menentukan perlakuan terbaik. Penelitian dilaksanakan di Desa Asam Jawa, Kecamatan Torgamba, Kabupaten Labuhanbatu Selatan, pada bulan Juni sampai Juli 2026. Metode yang digunakan adalah Rancangan Acak Lengkap (RAL) nonfaktorial dengan 5 perlakuan dan 4 ulangan, yaitu P0 (kontrol/tanpa pupuk), P1 (kompos Jangkos 100 g/polybag), P2 (kompos Jangkos 200 g/polybag), P3 (pupuk NPK 5 g/polybag), dan P4 (pupuk NPK 10 g/polybag). Parameter pengamatan meliputi tinggi tanaman, jumlah daun, diameter batang, dan panjang akar. Data dianalisis menggunakan analisis sidik ragam (ANOVA) dan uji lanjut Duncan Multiple Range Test (DMRT) taraf 5% untuk parameter yang menunjukkan pengaruh nyata. Hasil penelitian menunjukkan bahwa pemberian kompos Jangkos dan pupuk NPK meningkatkan pertumbuhan bibit kelapa sawit dibandingkan kontrol. Perlakuan P4 (NPK 10 g/polybag) memberikan respons pertumbuhan terbaik pada seluruh parameter, dengan nilai rata-rata tertinggi untuk tinggi tanaman (24,30 cm), jumlah daun (6 helai), diameter batang (7,90 mm), dan panjang akar (25 cm). Parameter jumlah daun dianalisis secara deskriptif karena tidak terdapat variasi antarulangan sehingga ANOVA tidak dapat dilakukan. Kesimpulannya, pupuk NPK dosis 10 g/polybag merupakan perlakuan paling efektif untuk meningkatkan pertumbuhan bibit kelapa sawit pada fase pre nursery, namun kompos Jangkos tetap memberikan pengaruh positif terhadap pertumbuhan. Kata kunci: Kelapa Sawit, Jangkos, Pupuk NPK, Pre Nursery, Pertumbuhan Bibit ============================================================================================== This study aimed to determine the effects of applying palm oil empty fruit bunch compost (Jangkos) and NPK fertilizer on the growth of oil palm seedlings (Elaeis guineensis Jacq.) during the pre-nursery stage, and to identify the best treatment. The experiment was conducted in Asam Jawa Village, Torgamba District, South Labuhanbatu Regency, from June to July 2026. The research design used was a non-factorial Completely Randomized Design (CRD) with five treatments and four replications: P0 (control/no fertilizer), P1 (Jangkos compost 100 g/polybag), P2 (Jangkos compost 200 g/polybag), P3 (NPK fertilizer 5 g/polybag), and P4 (NPK fertilizer 10 g/polybag). Observed parameters included plant height, number of leaves, stem diameter, and root length. Data were analyzed using Analysis of Variance (ANOVA) and followed by Duncan’s Multiple Range Test (DMRT) at 5% significance level for parameters showing significant effects. The results showed that both Jangkos compost and NPK fertilizer improved the growth of oil palm seedlings compared to the control. The P4 treatment (NPK 10 g/polybag) produced the best growth response across all measured parameters, with the highest mean values for plant height (24.30 cm), number of leaves (6 leaves), stem diameter (7.90 mm), and root length (25 cm). The number of leaves was analyzed descriptively because there was no variation among replications, resulting in ANOVA not being applicable. In conclusion, NPK fertilizer at a dose of 10 g/polybag is the most effective treatment for enhancing oil palm seedling growth at the pre-nursery stage, while Jangkos compost also provides a positive effect on seedling growth. Keywords: Oil Palm, Jangkos, NPK Fertilizer, Pre-Nursery, Seedling Growth

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	Kelapa Sawit, Jangkos, Pupuk NPK, Pre Nursery, Pertumbuhan Bibit=================Oil Palm, Jangkos, NPK Fertilizer, Pre-Nursery, Seedling Growth
Subjects:	Q Science > QK Botany S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture
Divisions:	Fakultas Sains Dan Teknologi > Agroteknologi
Depositing User:	Unnamed user with email repository@ulb.ac.id
Date Deposited:	27 Oct 2026 03:25
Last Modified:	27 Oct 2026 03:25
URI:	http://repository.ulb.ac.id/id/eprint/2948

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