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hong  
#1 Posted : Saturday, 18 September 2010 11:36:36 AM(UTC)
hong

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Joined: 16/10/2009(UTC)
Posts: 47


Good rule of thumb in selecting fertilisers
Leafy=nitrogen

Roots and fruit=phosphorous

General durability=potassium

Cold hardiness=potassium

Disease resistance=potassium


Plants need 16 essential elements to grow. However, there are only 3 primary elements: nitrogen, phosphorous, and potassium (N-P-K). All of the other 13 elements are called micro-nutrients. Micro-nutrients means they are needed in smaller amounts. Even though they are not primary elements, these 13 are very important too.

Because the fertilisers are not cheap, you need to find out your soil type before buying them. You can buy soil test kits to determine whether your soil is more acid or more alkaline or neutral.
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