Page 5 - Kesuburan Tanah
P. 5
DAFTAR ISI
Halaman
KATA PENGANTAR ............................................................ iv
DAFTAR ISI ....................................................................... v
DAFTAR TABEL .................................................................. vii
DAFTAR GAMBAR .............................................................. viii
BAB 1. PENDAHULUAN ..................................................... 1
BAB 2. HUBUNGAN TANAH DAN TANAMAN..................,,,.... 10
2.1 Tanah sebagai media bertanam ....................… 10
2.2 Bentuk hara dalam tanah.................................. 10
2.3 Kuantitas intensitas hara ................................. 11
2.4 Gerakan hara dalam tanah ............................... 12
2.5 Mekanisme penyerapan hara oleh akar ............. 17
2.6 Faktor penentu pertumbuhan tanaman ............ 19
2.7 Kurva pertumbuhan tanaman ........................... 21
BAB 3. UNSUR HARA MAKRO .......................................... 24
3.1 Esensialitas dan Peran Unsur Hara ................... 24
3.2Nitrogen .........................................................… 27
3.3 Posfat .............................................................. 32
3.4 Kalium ............................................................ 36
3.5 Kalsium (Ca) .................................................... 39
3.6 Magnesium (Mg) .............................................. 43
3.7 Sulfur (S) ......................................................... 45
BAB 4. UNSUR HARA MIKRO .............................................. 50
4.1 Besi (Fe) .........................................................… 50
4.2Mangan (Ma)....................................................... 52
4.3 Tembaga (Cu) ................................................… 54
4.4 Seng (Zn) ......................................................… 56
4.5 Khlor (Cl) ......................................................... 57
4.6 Boron (B) ......................................................... 59
4.7 Molibden (Mo) .................................................. 60
BAB 5. EVALUASI KESUBURAN TANAH............................. 63
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