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buku fosfat alam.pdf - Balai Penelitian Tanah - Departemen Pertanian

buku fosfat alam.pdf - Balai Penelitian Tanah - Departemen Pertanian

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ergambut, dengan ked<strong>alam</strong>an lapisan gambut di permukaan<br />

tanah antara 20-40 cm.<br />

Tabel 18. Revisi klasifikasi tipologi lahan sulfat masam<br />

Klasifikasi<br />

tipologi lahan,<br />

1992-1993<br />

Lahan<br />

potensial<br />

Lahan sulfat<br />

masam<br />

Sumber: Widjaja Adhi (1995)<br />

Klasifikasi tipologi lahan<br />

menurut Widjaja-Adhi, 1995<br />

Simbol<br />

Aluvial bersulfida sangat d<strong>alam</strong> SMP-3 >100 cm<br />

Aluvial bersulfida d<strong>alam</strong> SMP-2 50-100 cm<br />

Ked<strong>alam</strong>an pirit/bahan<br />

sulfidik<br />

Aluvial bersulfida dangkal SMP-1

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