DAFTAR ISI Halaman ABSTRAK ........................................................

DAFTAR ISI
Halaman
ABSTRAK ........................................................................................................ i
KATA PENGANTAR….................................................................................. ii
DAFTAR ISI..................................................................................................... iv
DAFTAR TABEL ............................................................................................ vii
DAFTAR GAMBAR........................................................................................ viii
DAFTAR LAMPIRAN .................................................................................... ix
BAB I PENDAHULUAN.................................................................................
1
A. Latar Belakang Masalah .............................................................................
1
B. Rumusan Masalah .......................................................................................
5
C. Batasan Masalah .........................................................................................
5
D. Tujuan Penelitian ........................................................................................
6
E. Manfaat Penelitian ......................................................................................
6
BAB II KAJIAN MENGENAI TIMBAL (Pb), KANGKUNG AIR (Ipomoea
aquatica Forsk) , DAN TRANSPORTASI PADA TUMBUHAN....
7
A. Timbal (Pb) ..................................................................................................
7
1. Karakteristik dan Sifat Pb........................................................................
7
2. Sumber Pb di Lingkungan .......................................................................
9
3. Pencemaran Lahan Pertanian oleh Pb ..................................................... 11
4. Dampak Pb bagi Mahluk Hidup ............................................................. 13
B. Tinjauan Mengenai Kangkung Air (Ipomoea aquatica Forsk).................... 16
C. Transportasi pada Tumbuhan ......................................................................
20
1. Penyerapan Unsur Hara pada Tumbuhan .............................................
20
2. Penyerapan Logam Berat pada Tanaman .............................................
24
3. Adaptasi Tumbuhan Terhadap Kandungan Logam Berat ....................
28
BAB III METODE PENELITIAN ................................................................
30
A. Jenis Penelitian............................................................................................
30
B. Desain Penelitian ........................................................................................
30
C. Objek Penelitian dan Sampel ......................................................................
31
D. Waktu dan Tempat Penelitian .....................................................................
31
E. Langkah Kerja ...........................................................................................
32
1. Tahap Penentuan Lokasi dan Titik Sampling .......................................
32
2. Tahap Pengambilan Sampel dan Pengukuran di Lapangan ..................
32
3. Tahap Pengukuran di Laboratorium .....................................................
33
F. Pengolahan Data .........................................................................................
35
BAB IV HASIL DAN PEMBAHASAN ......................................................
37
A. Hasil ............................................................................................................
37
1. Kondisi Lokasi dan Stasiun Pengamatan ..............................................
37
2. Pengukuran pH Tanah.........................................................................
41
3. Pengukuran Kandungan Timbal (Pb)....................................................
41
4. Analisis Biologis Tanaman Kangkung Air (I. aquatica Forsk) ..........
45
5. Hubungan Antara Kandungan Pb Tanah dengan Kandungan Pb Ta-naman..
...............................................................................................................46
6. Hubungan Antara Kandungan Pb Tanaman dengan Kadar Klorofil ....
47
7. Hubungan Antara Kandungan Pb Tanaman dengan Biomassa ............
48
B. Pembahasan.................................................................................................
49
1. Kondisi Lokasi Penelitian .....................................................................
49
2. Kandungan Pb pada Tanah ...................................................................
51
3. Kandungan Pb pada Tanaman ..............................................................
55
4. Analisis Biologis Tanaman Kangkung Air (I. aquatica Forsk) ............
61
BAB V KESIMPULAN DAN SARAN ..........................................................
73
A. Kesimpulan .................................................................................................
73
B. Saran ...........................................................................................................
73
DAFTAR PUSTAKA ......................................................................................
75
LAMPIRAN.....................................................................................................
80
DAFTAR TABEL
Tabel
Halaman
2.1. Komposisi dan Jumlah Nutrisi pada Tanaman Kangkung ...................
19
4.1. Analisis Rata-Rata pH Tanah...............................................................
41
4.2. Rata-rata Kandungan Pb pada Tanah di Tiap Stasiun .........................
42
4.3.. Kandungan Pb pada Organ Tanaman Kangkung Air (Ipomoea aqua-tica Forsk) di
Tiap Stasiun …………………………………………
4.4. Rata-rata Kandungan Pb Tanaman di Lokasi Cidurian dan Cilimus
42
44
4.5. Rata-rata Kadar Klorofil Daun Kangkung Air (Ipomoea aquatica
Forsk) di Tiap Stasiun ……………………………………………
45
4.6. Rata-rata Biomassa Tanaman Kangkung Air Ipomoea aquatica
Forsk) di Tiap Stasiun……………………………………………..
DAFTAR GAMBAR
46
Gambar
Halaman
2.1. Logam Timbal (Pb) ..............................................................................
7
2.2. Sumber Pencemaran Pb di Lingkungan ...............................................
10
2.3. Tanaman Kangkung Air (Ipomoea aquatica Forsk) ............................
17
3.1. Alur Penelitian .....................................................................................
36
4.1. Lahan Pertanian Kangkung di Cidurian ...............................................
38
4.2. Sungai Cidurian Yang Tercemar Limbah Pb .......................................
39
4.3. Lahan Pertanian Kangkung Lokasi Cilimus ........................................
40
4.4. Kondisi Pengairan di Lokasi Cilimus ..................................................
40
4.5. Rata-rata Kandungan Pb pada Organ Tanaman Kangkung Air (Ipomoea aquatica Forsk di Kedua Lokasi .................................................
43
4.6. Hubungan Antara Kandungan Pb Tanah dengan Kandungan Pb
Tanaman ..............................................................................................
47
4.7. Hubungan Antara Kandungan Pb Tanaman dengan Kadar Klorofil ...
47
4.8. Hubungan Antara Kandungan Pb Tanaman dengan Biomassa ...........
48
DAFTAR LAMPIRAN
Lampiran
Halaman
1. Alat dan Bahan .......................................................................................
80
2. Data Penelitian .....................................................................................
82
3. Analisis Statistik .....................................................................................
84
4. Analisis Kandungan Timbal (Pb) Menggunakan AAS ........................
95
5. Foto-foto Lokasi Penelitian ..................................................................
99
6. Foto-foto Kegiatan Penelitian ..............................................................
102
7. Peta Lokasi Cidurian ............................................................................
105