Efektivitas Kombinasi Janjang Kosong Kelapa Sawit dan Pupuk Hayati Bioneensis dalam Rehabilitasi Lahan Pascatambang Batubara untuk Mendukung Pertumbuhan TBM Kelapa Sawit
DOI:
https://doi.org/10.54387/semnasbun.v1i1.180Keywords:
Pupuk hayati (bioneensis), janjang kosong, kelapa sawit, lahan pascatambang, rehabilitasi lahanAbstract
Rehabilitasi lahan pascatambang batubara masih menjadi tantangan utama dalam budidaya kelapa sawit akibat kualitas tanah yang rendah. Penelitian ini bertujuan mengevaluasi pengaruh janjang kosong kelapa sawit (150 kg/tanaman) dan pupuk hayati Bioneensis (1 kg/tanaman) terhadap pertumbuhan morfologi tanaman kelapa sawit belum menghasilkan (TBM) pada lahan pascatambang batubara. Penelitian dilaksanakan pada November 2025 hingga Januari 2026 di areal perkebunan PT. Pola Kahuripan Inti Sawit, Desa Kintapura, Kecamatan Kintap, Kabupaten Tanah Laut, Kalimantan Selatan. Sebanyak 100 tanaman sampel berumur 12–14 bulan setelah tanam diamati meliputi tinggi tanaman, diameter batang, jumlah pelepah, jumlah bunga jantan, bunga betina, dan bunga dompet. Data dianalisis menggunakan Independent Sample t-Test pada taraf kepercayaan 95%. Hasil menunjukkan tanaman pada lahan mineral memiliki pertumbuhan lebih unggul pada sebagian besar parameter. Namun aplikasi 150 kg/tanaman janjang kosong yang dikombinasikan dengan 1 kg/tanaman pupuk hayati Bioneensis secara nyata mendukung pertumbuhan vegetatif maupun generatif pada lahan pascatambang. Tidak terdapat perbedaan nyata pada parameter jumlah pelepah dan bunga betina antara kedua kondisi lahan, mengindikasikan bahwa perlakuan ameliorasi mampu memperbaiki lingkungan tumbuh kelapa sawit. Kombinasi janjang kosong dan pupuk hayati Bioneensis berpotensi sebagai strategi rehabilitasi berkelanjutan pada lahan pascatambang batubara.
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Copyright (c) 2026 Romadhon Nur Rohim, Sutan Tarmizi Lubis, Agung Lesmana, Arjuna Manurung, Muhammad Aqwan A.U, Said Asyrof Auvvarof
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