LAPORAN PRAKTIKUM DASAR-DASAR ILMU TANAH Disusun oleh: NAMA : SOFINA GALIH FALIH TAJI NIM : H0215036 KELOMPOK :7 PROGRAM STUDI ILMU TANAH FAKULTAS PERTANIAN UNIVERSITAS SEBELAS MARET SURAKARTA 2015 HALAMAN PENGESAHAN Laporan praktikum Dasar-dasar Ilmu Tanah ini disusun guna melengkapi tugas mata kuliah Ilmu Tanah dan telah diterima, disetujui, serta disahkan oleh Co-Assisten dan Dosen Ilmu Tanah pada : Hari : Kamis Tanggal : 17 Desember 2015 Disusun oleh : Nama : Sofina Galih Falih Taji NIM : H0215036 Kelompok :7 Mengetahui, Dosen Koordinator Praktikum Dasar-Dasar Ilmu Tanah Co-Assisten Ir. Sumarno, MP NIP : 195405181985031002 Umi Barokah NIM : H0213044 ii KATA PENGANTAR Puji syukur Alhamdulillah atas kehadirat Allah SWT yang telah melimpahkan rahmat dan hidayah-Nya sehingga Laporan Praktikum Ilmu Tanah ini dapat terselesaikan. Laporan ini disusun guna melengkapi tugas mata kuliah Ilmu Tanah di Fakultas Pertanian Universitas Sebelas Maret Surakarta. Penyusunan laporan ini tidak terlepas dari bantuan berbagai pihak. Untuk itu penulis mengucapkan terima kasih kepada : a. Allah SWT yang berkuasa atas segalanya. b. Dekan Fakultas Pertanian UNS. c. Dosen Pengampu mata kuliah Ilmu Tanah Fakultas Pertanian UNS. d. Kakak Co-assisten Ilmu Tanah yang selalu membantu dalam pelaksanaan praktikum. e. Teman–teman yang telah mendukung dan membantu dalam pembuatan laporan ini. f. Keluarga yang telah memberi motivasi tersendiri dalam proses pembuatan laporan praktikum ini. Penulis menyadari masih terdapat banyak kekurangan dalam penyusunan Laporan Ilmu Tanah. Untuk itu, penulis mengharapkan kritik dan saran yang bersifat membangun dari para pembaca. Dan penulis berharap agar laporan ini dapat bermanfaat bagi kita semua. Surakarta, 17 Desember 2015 Penulis iii DAFTAR ISI HALAMAN JUDUL. ....................................................................................... i HALAMAN PENGESAHAN .......................................................................... ii KATA PENGANTAR ..................................................................................... iii DAFTAR ISI .................................................................................................... iv DAFTAR TABEL ............................................................................................ vii DAFTAR GAMBAR ....................................................................................... ix I. PENDAHULUAN ...................................................................................... 1 A. Latar Belakang ..................................................................................... 1 B. Tujuan Praktikum ................................................................................. 2 II. TINJAUAN PUSTAKA ............................................................................ 3 A. Pencandraan Bentang lahan.................................................................. 3 B. Penyidikan Profil Tanah ....................................................................... 4 C. Sifat Fisika Tanah ................................................................................ 6 D. Sifat Kimia Tanah ............................................................................... 8 III. METODE PRAKTIKUM ........................................................................ 10 A. Waktu dan Tempat Praktikum ........................................................... 10 B. Bahan ................................................................................................. 10 C. Alat ..................................................................................................... 11 D. Cara Kerja .......................................................................................... 12 IV. HASIL PENGAMATAN ........................................................................... 15 A. Jumantono ..................................................................................... .... 15 1. Penyandraan Bentang Alam ........................................................... 15 2. Penyidikan Profil Tanah ................................................................ 17 3. Sifat Fisika Tanah .......................................................................... 18 4. Sifat Kimia Tanah .......................................................................... 19 5. Analisis Lengas Tanah ................................................................... 20 6. Analisis Ph Tanah ......................................................................... 22 7. Analisis Struktur Tanah ................................................................ 22 iv v B. Fakultas Pertanian UNS .................................................................. 23 1. Penyandraan Bentang Alam ........................................................... 23 2. Penyidikan Profil Tanah ................................................................ 25 3. Sifat Fisika Tanah .......................................................................... 26 4. Sifat Kimia Tanah .......................................................................... 27 5. Analisis Lengas Tanah ................................................................... 28 6. Analisis Ph Tanah ......................................................................... 30 7. Analisis Struktur Tanah ................................................................ 30 C. Jatikuwung ........................................................................................ 31 1. Penyandraan Bentang Alam ........................................................... 31 2. Penyidikan Profil Tanah ................................................................ 33 3. Sifat Fisika Tanah .......................................................................... 34 4. Sifat Kimia Tanah .......................................................................... 35 5. Analisis Lengas Tanah ................................................................... 36 6. Analisis Ph Tanah ......................................................................... 38 7. Analisis Struktur Tanah ................................................................ 38 V. PEMBAHASAN ..................................................................................... 39 A. Jumantono ...................................................................................... .. 39 1. Penyandraan Bentang Alam .......................................................... 39 2. Penyidikan Profil Tanah ................................................................ 40 3. Sifat Fisika Tanah ......................................................................... 40 4. Sifat Kimia Tanah ......................................................................... 42 5. Analisis Lengas Tanah .................................................................. 43 6.Analisis pH Tanah ......................................................................... 44 7. Analisis Struktur Tanah ................................................................ 45 B. Fakultas Pertanian UNS .................................................................... 45 1. Penyandraan Bentang Alam .......................................................... 45 2. Penyidikan Profil Tanah ................................................................ 46 3. Sifat Fisika Tanah ......................................................................... 46 4. Sifat Kimia Tanah ......................................................................... 48 5. Analisis Lengas Tanah .................................................................. 49 vi 6.Analisis pH Tanah ......................................................................... 50 7. Analisis Struktur Tanah ................................................................ 51 C. Jatikuwung ........................................................................................ 52 1. Penyandraan Bentang Alam .......................................................... 52 2. Penyidikan Profil Tanah ................................................................ 53 3. Sifat Fisika Tanah ......................................................................... 53 4. Sifat Kimia Tanah ......................................................................... 55 5. Analisis Lengas Tanah .................................................................. 56 6.Analisis pH Tanah ......................................................................... 57 7. Analisis Struktur Tanah ................................................................ 58 VI. KOMPREHENSIF .................................................................................. 59 VII. KESIMPULAN DAN SARAN .............................................................. 61 DAFTAR PUSTAKA LAMPIRAN DAFTAR TABEL Tabel 4.1.1 Pencandraan Bentang Lahan Jumantono ........................................ 16 Tabel 4.1.2 Penyidikan Profil/Pedon Tanah ...................................................... 17 Tabel 4.1.3 Pengamatan Sifat Fisika Tanah. ...................................................... 18 Tabel 4.1.4 Pengamatan Sifat Kimia Tanah....................................................... 19 Tabel 4.1.5.1 Lengas Tanah Kering Angin ........................................................ 20 Tabel 4.1.5.2 Kapasitas Lapang Tanah ............................................................. 20 Tabel 4.1.5.3 Lengas Maksimum ....................................................................... 21 Tabel 4.1.5.4 Batas Berubah Warna................................................................... 21 Tabel 4.1.6 Analisis pH Tanah ........................................................................... 22 Tabel 4.1.7.1 Bobot Volume Tanah Jumantono ................................................ 22 Tabel 4.1.7.2 Bobot Jenis Tanah Jumantono ..................................................... 22 Tabel 4.2.1 Pencandraan Bentang Lahan FP UNS ............................................ 24 Tabel 4.2.2 Penyidikan Profil/Pedon Tanah ...................................................... 25 Tabel 4.2.3 Pengamatan Sifat Fisika Tanah. ...................................................... 26 Tabel 4.2.4 Pengamatan Sifat Kimia Tanah....................................................... 27 Tabel 4.2.5.1 Lengas Tanah Kering Angin ........................................................ 28 Tabel 4.2.5.2 Kapasitas Lapang Tanah ............................................................. 28 Tabel 4.2.5.3 Lengas Maksimum ....................................................................... 29 Tabel 4.2.5.4 Batas Berubah Warna................................................................... 29 Tabel 4.2.6 Analisis pH Tanah ........................................................................... 30 Tabel 4.2.7.1 Bobot Volume Tanah FP UNS..................................................... 30 Tabel 4.2.7.2 Bobot Jenis Tanah FP UNS ......................................................... 30 Tabel 4.3.1 Pencandraan Bentang Lahan Jatikuwung ....................................... 32 Tabel 4.3.2 Penyidikan Profil/Pedon Tanah ...................................................... 33 Tabel 4.3.3 Pengamatan Sifat Fisika Tanah. ...................................................... 34 Tabel 4.3.4 Pengamatan Sifat Kimia Tanah....................................................... 35 Tabel 4.3.5.1 Lengas Tanah Kering Angin ........................................................ 36 Tabel 4.3.5.2 Kapasitas Lapang Tanah ............................................................. 36 Tabel 4.3.5.3 Lengas Maksimum ....................................................................... 37 vii viii Tabel 4.3.5.4 Batas Berubah Warna................................................................... 37 Tabel 4.3.6 Analisis pH Tanah ........................................................................... 38 Tabel 4.3.7.1 Bobot Volume Tanah Jatikuwung................................................ 38 Tabel 4.3.7.2 Bobot Jenis Tanah Jatikuwung .................................................... 38 DAFTAR GAMBAR Gambar 4.1.1 Penampang Pedon Tanah Jumantono.......................................... 15 Gambar 4.1.2 Denah Lokasi Jumantono ............................................................ 16 Gambar 4.2.1 Penampang Profil Tanah FP UNS ............................................... 23 Gambar 4.2.2 Denah Lokasi FP UNS ................................................................ 24 Gambar 4.3.1 Penampang Pedon Tanah Jatikuwung ..................................... ... 31 Gambar 4.3.2 Denah Lokasi Jatikuwung ....................................................... ... 32 ix
