Pengaruh Penutupan Mulsa Organik Terhadap Perkembangan Gulma Hutan Tanaman Nyawai (Bl)
DOI:
https://doi.org/10.59465/jpht.v13i2.855Kata Kunci:
Gulma, hutan tanaman, mulsa organik, nyawaiAbstrak
Kehadiran gulma yang berlimpah menimbulkan gangguan pertumbuhan pada tanaman pokok dan meningkatkan risiko kebakaran di hutan tanaman. Penelitian ini bertujuan untuk mengetahui pengaruh mulsa organik terhadap perkembangan gulma tegakan nyawai. Penelitian menggunakan rancangan faktorial dalam rancangan acak kelompok. Hasil penelitian menunjukkan adanya 11 jenis gulma yang didominasi oleh rumput alang-alang (Imperata cylindrica L. Raeusch) dan jepangan (Clibadium surinamense L.). Mulsa organik alang-alang memiliki laju dekomposisi paling lambat dan pemberian mulsa organik alang-alang selama 3 bulan mampu menekan kehadiran gulma. Penutupan mulsa organik tidak berpengaruh secara signifikan terhadap pertumbuhan tinggi dan diameter nyawai maupun diameter tajuk nyawai. Mulsa Piper aduncum L. menghasilkan tambahan unsur hara phospor dan kalium tertinggi adapun mulsa rumput jepangan meningkatkan unsur hara nitrogen yang tertinggi.
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