Difference between NPK 15:15:15 and 19:19:19 | New Gardeners | Urban Gardening, Terrace gardening and Hydroponics

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Difference between NPK 15:15:15 and 19:19:19
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narayanan krishnan
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August 13, 2015 - 5:17 pm
Member Since: July 9, 2015
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Could you please let me know what is the difference between NPK 15:15:15 and 19:19:19.
I bought two fertilizer. One one of the packet it is mentioned as npk 15:15:15, whereas on the second one there is no information and it is pink in color. When I googled for npk 19:19:19, there are few pics that resembles the same pink color and many does not. So i like to know what is the major difference between npk 15 and 19. Thanks in advance.

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Srikanth
Serilingampally, Hyderabad
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August 17, 2015 - 2:59 pm
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Different companies add different colors to their fertilizers. The color should not mean anything. The primary difference is the % of NPK in each. In 15:15:15 you get 15 kgs each of N, P & K per 100 Kg of the fertilizer. In case of the latter you get 19 Kgs each.

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Thanks,

Srikanth

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narayanan krishnan
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August 18, 2015 - 11:31 am
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Thanks for your reply, that clears my doubt. So compared to npk15, npk19 is stronger right?.
Right now I add 1 tsp of npk 19 with 1 liter of water and spray all over the plant, so how much quantity of npk15 is can add to one liter of water?.

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shashanknano
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August 19, 2015 - 12:36 am
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3-5 grams per liter of water should be sufficient for NPK 15. The diluted solution is better than the concentrated one which can burn and ultimately kill the plant. Control your urge to add more fertilizer to solution.

Hope that helps!!!

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