http://www.freegardeninghints.com/questions/when-using-organic-material-for-gardening-ie-guanoand-others-do-you-add-the-n-p-k-together5-2-2-10-1-1/ This is the one stop site for advice , videos and Free Gardening Hints Sun, 12 Feb 2012 11:08:20 +0000 hourly 1 http://wordpress.org/?v=3.1.1 http://www.freegardeninghints.com/questions/when-using-organic-material-for-gardening-ie-guanoand-others-do-you-add-the-n-p-k-together5-2-2-10-1-1/comment-page-1/#comment-2519 greenfingers Sun, 28 Feb 2010 01:54:53 +0000 http://www.freegardeninghints.com/questions/when-using-organic-material-for-gardening-ie-guanoand-others-do-you-add-the-n-p-k-together5-2-2-10-1-1/#comment-2519 No. The 3 numbers show you the quantity of each nutrient in the packet. They do not have to add up to any particular amount. You could have a fertiliser that was 10 8 12 or 4 20 0. It all depends what you are applying it to and when. This site has tables (if you scroll down) showing you different fertilisers and the NPK values. Hope it helps. http://www.powen.freeserve.co.uk/Basics/fertilisers.htm#fert No.
The 3 numbers show you the quantity of each nutrient in the packet. They do not have to add up to any particular amount. You could have a fertiliser that was 10 8 12 or 4 20 0. It all depends what you are applying it to and when.
This site has tables (if you scroll down) showing you different fertilisers and the NPK values. Hope it helps.
http://www.powen.freeserve.co.uk/Basics/fertilisers.htm#fert

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