Klasifikasi Kesuburan Tanah Menggunakan Parameter Resistivitas, Kadar Air, dan pH Tanah Studi Kasus: Tanaman Jagung
DOI:
https://doi.org/10.25077/jfu.12.2.192-198.2023Keywords:
Jagung, Kadar Air Tanah, Kesuburan, pH Tanah, ResistivitasAbstract
Penelitian untuk mengklasifikasikan kesuburan tanah menggunakan parameter resistivitas, kadar air, dan pH tanah pada tanaman jagung di Nagari Aia Gadang telah dilakukan menggunakan metode geolistrik konfigurasi dipole-dipole. Pengambilan data dilakukan pada 3 lintasan yang masing-masingnya memiliki panjang lintasan 24 meter, jarak elektroda 1,2 meter untuk elektroda arus dan elektroda potensial dan jumlah titik data yaitu 66. Data tambahan yaitu kadar air tanah dan pH tanah untuk masing-masing lintasan. Pengolahan data resistivitas dilakukan menggunakan software RES2DINV, yang selanjutnya akan dibandingkan dengan nilai kadar air dan pH tanah untuk setiap fase perkembangan jagung. Hasil pengolahan data tanah yang subur untuk ditanami jagung pada fase perkecambahan didapatkan nilai resistivitas 4,49-9,23 Ωm dan nilai resistivitas tidak subur yaitu 11,2-31,5 Ωm. Pada fase vegetatif, tanah yang subur memiliki nilai resistivitas 4,49-9,23 Ωm dan nilai resistivitas tidak subur yaitu 11,2-31,5 Ωm. Sedangkan pada fase reproduktif, tanah yang subur memiliki nilai resistivitas 9,24-166 Ωm dan nilai resistivitas tidak subur yaitu 179,1-328 Ωm.
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