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PENENTUAN DAUR OPTIMAL HUTAN TANAMAN SENGON (Paraserianthes falcataria (L.) Nielsen) DENGAN METODE FAUSTMANN
Abstract
Hutan tanaman sengon telah banyak dikembangkan di Indonesia khususnya di Jawa untuk memenuhi kebutuhan masyarakat terutama untuk bahan bangunan dan industri. Pengambilan keputusan untuk melakukan penebangan dari suatu tegakan hutan tanaman merupakan suatu langkah yang sangat penting untuk memperoleh keuntungan yang maksimum. Pada hutan tanaman monokultur sengon, daur optimal yang umumnya digunakan adalah daur biologis, yang belum tentu memberikan keuntungan yang maksimal. Tulisan ini bertujuan untuk menentukan daur optimal finansial tegakan sengon menggunakan aturan Faustmann. Metode yang digunakan dalam tulisan ini adalah maximasi keuntungan dengan aturan Faustmann di mana hutan tanaman sengon dikelola dengan sistem silvikultur tebang habis permudaan buatan. Hasil dari penelitian ini menunjukkan bahwa daur ekologis sengon pada bonita II, III, dan IV berturut turut adalah 7.2, 6 dan 5 tahun. Sementara itu, daur finansial (Faustmann) tegakan hutan sengon pada bonita II, III, dan IV berturut turut adalah 7, 6 dan 5 tahun. Kesamaan daur biologis dengan Faustmann dalam penelitian ini disebabkan oleh tingginya tingkat pertumbuhan sengon.
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