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Gambar 3. 7 Penggunaan pestisida oleh petani......................................................... 68
Gambar 3. 8 Tanah yang tercemar .............................................................................. 68
Gambar 3. 9 Siswa membawa bekal makanan sendiri ............................................. 70
Gambar 3. 10 Ilustrasi 3R(Reuse, Reduce, Recycle) ....................................................... 70
Gambar 3. 11 Ilustrasi remediasi (on-site) .................................................................. 71
Gambar 3. 12 Tahapan bioremediasi .......................................................................... 72
Gambar 3. 13 Petani menggunakan pupuk organik .................................................. 72
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