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PRODUKTIVITAS ALGA Hydrodictyon PADA SISTEM PERAIRAN ...

PRODUKTIVITAS ALGA Hydrodictyon PADA SISTEM PERAIRAN ...

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Lampiran 6. Perhitungan laju pertumbuhan relatif (RGR) dan waktu penggandaan<br />

(Doubling time)<br />

1. Pada perlakuan pupuk PO berat awal alga <strong>Hydrodictyon</strong> (W0) = 5,000 dan berat<br />

akhir alga <strong>Hydrodictyon</strong> (Wt) = 14,507. Maka nilai laju pertumbuhan relatif<br />

(RGR) <strong>Hydrodictyon</strong> adalah<br />

2. Pada perlakuan pupuk POA berat awal alga <strong>Hydrodictyon</strong> (W0) = 5,000 dan<br />

hari<br />

berat akhir alga <strong>Hydrodictyon</strong> (Wt) = 10,226. Maka nilai laju pertumbuhan<br />

relatif (RGR) <strong>Hydrodictyon</strong> adalah<br />

3. Pada perlakuan pupuk PA berat awal alga <strong>Hydrodictyon</strong> (W0) = 5,000 dan berat<br />

hari<br />

akhir alga <strong>Hydrodictyon</strong> (Wt) = 8,525. Maka nilai laju pertumbuhan relatif<br />

(RGR) <strong>Hydrodictyon</strong> adalah<br />

hari<br />

40

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