Fertilizers
By: Mike Bush
20-20-20, 16-4-8, 10-10-10 --- These numbers are listed on every bag of fertilizer. Do you know what they mean?
Let's start with the first number, which represents nitrogen, one of the most important nutrients for a plant's good health. Nitrogen is responsible for the production of chlorophyll. Without it, plants can't produce their own food. If they don't have enough nitrogen, their foliage will take on an overall yellow tint.
The second number indicates phosphorus. Another significant ... more
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