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What are the examples of n.p.k
he letters NPK are followed by three figures on fertilizer packages which correspond to the proportion of each of these elements in the product. For example a tomato fertilizer NPK 12.10.20 contains 120 grammes of nitrogen per kilo. [ Examples of NPK proportions for specific fertilizers: Fertilizer for citrus fruit: NPK 14.4.28 Fertilizer for lawns: NPK 20.10.10 Fertilizer for geraniums: NPK 4.6.8 Fertilizer for fruit trees: NPK 5.4.8 Other elements Other so-called ''secondary'' elements are also essential for proper plant development such as calcium (Ca), sulphor
(S), or magnesium (Mg). Less of these are needed and often there is enough of these in the soil. Trace elements also play a determining part in plant development, contributing to the formation of chlorophyll and to healthy growth. ]
Expert answered|selymi|Points 8082|
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Asked 4/24/2012 3:25:50 AM
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