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| should i use fertilizers in my aquaponics system? http://byap.backyardmagazines.com/forum/viewtopic.php?f=14&t=14672 |
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| Author: | cage [ Dec 17th, '12, 23:59 ] |
| Post subject: | should i use fertilizers in my aquaponics system? |
hi everyone i have a 3 weeks old small aquaponics setup with tomato plants growing pretty good. im just wondering if i need to add fertilizers because i also have a planted aquarium and im worried the aquatic plants will use most of the nutrients before it gets to my growbed i looked for seaweed extract around here and the only one i found is Nutri-Kelp. http://www.nutri-tech.com.au/products/l ... owder.html typical analysis: Total Nitrogen (as organic N) . . . . . . . . . . . . . . . . . . . . . 1 - 1.5% Total Phosphorus (as organic P) . . . . . . . . . . . . . . . 0.02 - 0.05% Total Potassium (as organic salts) . . . . . . . . . . . . . . . . 19 - 21% Sulphur . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 9% Magnesium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5% - 0.9% Calcium. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 - 1.0% Copper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 6 ppm Boron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 - 100 ppm Iron. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 - 200 ppm Manganese. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 12 ppm Zinc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 100 ppm Molybdenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 5 ppm Moisture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 8% Crude protein. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 8% Carbohydrates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 - 50% Ash. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 - 55% Alginic acid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 20% Mannitol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 7% Betaines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1% Cytokinins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.06% pH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5 Specific Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.11 Conductivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 mS/cm Solubility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100% Appearance: Dark brown/black flakes <2mm Nutri-Kelp™ Powder can anyone can tell me if this product is fish safe? |
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| Author: | RupertofOZ [ Dec 18th, '12, 00:59 ] |
| Post subject: | Re: should i use fertilizers in my aquaponics system? |
The zinc content seems quite high... You could perhaps order Maxicrop from India... http://www.srivinayakatrading.com/bio-s ... op-seaweed |
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