Teknologi Pengendalian Gulma Alang-alang dengan Tanaman Legum untuk Pertanian Tanaman Pangan
2015
Ishak Juarsah
<p>Di Indonesia, Alang-alang (<em>Imperata cylindrica</em> L. Beauv) merupakan salah satu gulma terpenting dan termasuk sepuluh gulma bermasalah di dunia. Melalui biji dan rimpang, alang-alang dapat tumbuh dan menyebar luas pada hampir semua kondisi lahan. Teknologi pengendalian alang-alang telah banyak dikenal namun belum dapat menjamin eradikasi populasi alang-alang secara berkelanjutan tanpa diikuti oleh kultur teknis dan pola budidaya tanaman pangan sepanjang tahun. Hasil penelitian menunjukan bahwa lahan alang-alang dapat dikendalikan/dikelola menjadi lahan produktif setelah direhabilitasi dengan tanaman legume (<em>Mucuna</em> sp.) untuk usaha tani tanaman pangan lahan kering berorientasi konservasi tanah. Bahan hijauan tanaman Mucuna dapat meningkatkan kadar C-organik, memperbaiki sifat fisika, kimia tanah dan meningkatkan produksi tanaman pangan.</p><p> </p><p>In Indonesia, Alang-alang (<em>Imperata cylindrica</em> L. Beauv) is one of important weeds and included to ten most problematic weeds around the world. Through its seeds and roots, alang-alang can grow and expand in nearly all soil conditions. Many technologies for controlling have been known but can not ensure the eradication of weeds population, however the controlling via food crops cropping systems for the whole years is the best method so far to have sustainability of the agriculture land. Research showed that alang-alang area could be controlled/managed became more productive land after rehabilitation with legume (ie <em>Mucuna</em> sp.) especially for dry land conservation oriented. Mucuna green materials might increase C-organic content, both soil chemical and physical improvement, furthermore increased foodcrops production.</p>
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