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18
Fish excreta, food remains, insects, plant detritus, dust
Nutrient Decomposition
by bacteria and fungae
Ammonia NH
3
and NH
4
+
Nitrite NO
2
Nitrate NO
3
Nitrogen N
2
(as gas)
ä
ä
ä
by Nitrosomonas bacteria (NSB, see 2)
ä
ä
ä
ä
ä
by Nitrobacter bacteria (see 4)
ä
ä
ä
ä
by anaerobic denitrifying (nitrate decomposing)
bacteria (see 5)
ä
ä
ä
ä
8
9
10
7
11
6
4
3
2
1
5
Содержание Biotec 10.1
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