Pengaruh Pemberian Cocopeat dan NPKMg (15:15:6:4) Terhadap Pertumbuhan Bibit Kelapa Sawit Di Pembibitan Utama
DOI:
https://doi.org/10.22437/agroecotania.v7i2.41308Abstract
Kelapa sawit merupakan tanaman perkebunan yang menempati posisi penting di sektor pertanian pada
umumnya, dan khususnya di sektor perkebunan. Luas perkebunan tanaman kelapa sawit di Indonesia
setiap tahunnya mengalami peningkatan serta menjadi eksportir terbesar kelapa sawit dunia. Namun
seiring dengan peningkatan luas areal ini, terdapat pula permasalahan lain yakni umur tanaman kelapa
sawit yang sudah tua dan dikhawatirkan akan menyebabkan terjadinya penurunan produksi di tahun
berikutnya. Oleh karena itu diperlukan tindakan peremajaan tanaman kelapa sawit. Untuk melakukan
peremajaan kelapa sawit maka diperlukan bibit yang unggul dan media tanam yang baik dengan upaya
pemberian cocopeat dan NPKMg (15:15:6:4). Penelitian ini bertujuan untuk mempelajari pengaruh
dan kombinasi pemberian cocopeat dan pupuk NPKMg (15:15:6:4) terhadap pertumbuhan bibit
kelapa sawit di pembibitan utama. Penelitian ini dilaksanakan di Teaching and Research Farm
Fakultas Pertanian Universitas Jambi, Kampus Unja Mendalo, Desa Mendalo Indah, Kecamatan
Jambi Luar Kota, Kabupaten Muaro Jambi dengan ketinggian + 35 mdpl. Waktu pelaksanaan selama
tiga bulan yaitu pada bulan Februari sampai Mei 2023. Penelitian ini menggunakan Rancangan Acak
Lengkap (RAL) yang terdiri dari satu faktor yaitu pemberian cocopeat dan NPKMg (15:15:6:4) yang
terdiri dari 5 taraf perlakuan yaitu NPKMg (15:15:6:4) sesuai dosis anjuran (25 g) (p0), cocopeat 350
g + NPKMg (15:15:6:4)setengah dosis. anjuran (p1), cocopeat 450 g + NPKMg (15:15:6:4) setengah
dosis anjuran (p2), cocopeat 550 g + NPKMg (15:15:6:4) setengah dosis anjuran (p3), cocopeat 650
g + NPKMg (15:15:6:4) setengah dosis anjuran (p4). Variabel yang diamati meliputi tinggi
tanaman(cm), pertambahan jumlah daun(helai), bobot kering tajuk(g), bobot kering akar(g), rasio
tajuk akar(cm), volume akar(ml3
) dan luas daun(cm). Hasil penelitian menunjukkan bahwa
pemberian cocopeat dan NPKMg (15:15:6:4) pada pembibitan kelapa sawit di pembibitan utama
mampu meningkatkan pertumbuhan terhadap jumlah daun, luas daun dan bobot kering akar, namun
belum mampu secara nyata meningkatkan pertumbuhan variabel tinggi tanaman, bobot kering tajuk,
rasio tajuk akar dan volume akar. Pemberian perlakuan p1 (cocopeat 350 g + NPKMg (15:15:6:4)
setengah dosis anjuran) menunjukkan pertumbuhan bibit kelapa sawit lebih baik dibandingkan hanya
pengaplikasian pupuk NPKMg(15:15:6:4) sesuai dosis anjuran tanpa cocopeat.
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Copyright (c) 2025 Anis Tatik Maryani, Sabda Indhi Saputra, Helmi Salim
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