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Complete Fertilizer
Complete fertilizers contain nitrogen, phosphorous and potassium, but not necessarily in equal amounts. This type of fertilizer is often formulated for specific types of plants, or as an all-purpose fertilizer. A complete fertilizer may list the ingredients as 10-10-10, 5-3-3 or any other combination of numbers. These numbers represent the percentage of nitrogen, phosphorous and potassium in the fertilizer and are always listed in that order. There will always be a value for each ingredient. Some fertilizers may have a considerably higher concentration of one nutrient than the others. Roses flourish with a steady diet of 7-8-5 fertilizer. Tomatoes, peppers and eggplants on the other hand, can be harmed by too much nitrogen and will do better with a lower concentration.
Read more: Difference between Complete & Balanced Fertilizers | eHow.com http://www.ehow.com/about_6712016_difference-complete-_amp_-balanced-fertilizers.html#ixzz2S0YOdMNC
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