Evaluasi Potensi Pertanian Perkotaan Berdasarkan Karakteristik Fisik Tanah di Wilayah Samarinda Ulu dan Samarinda Utara, Kalimantan Timur
Abstract
Penelitian ini bertujuan untuk menganalisis dan membandingkan karakteristik fisik tanah di dua wilayah Kota Samarinda, yaitu Kecamatan Samarinda Ulu dan Samarinda Utara sebagai dasar evaluasi potensi pertanian perkotaan. Parameter fisik tanah yang diamati meliputi tekstur, struktur, warna, dan konsistensi tanah. Penelitian ini menggunakan pendekatan deskriptif-komparatif untuk menganalisis perbedaan karakteristik fisik tanah di Kecamatan Samarinda Ulu dan Samarinda Utara. Hasil penelitian menunjukkan bahwa tanah di Kecamatan Samarinda Ulu memiliki tekstur lempung berpasir halus, struktur remah kecil, dan warna olive brown (2.5Y 4/4), sedangkan tanah di Samarinda Utara bertekstur agak kasar, struktur gumpal bersudut, dan warna reddish brown (5YR 4/4). Perbedaan karakteristik ini menunjukkan variasi kemampuan retensi air dan drainase yang memengaruhi kesesuaian tanaman. Tanah di Kecamatan Samarinda Ulu lebih sesuai untuk tanaman hortikultura, sementara tanah di Kecamatan Samarinda Utara cocok untuk tanaman tahan kering. Kajian ini memberikan informasi penting bagi pengembangan pertanian perkotaan berkelanjutan di wilayah tropis lembab.
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