Chapter 11 Fertilizers - Hawaii Department of Transportation
Sep 03, 2004 · Regardless of its type, any fertilizer you buy will come with information about the nutrients it contains. Prominently featured will be the N-P-K ratio, the percentage the product contains by volume of nitrogen (chemical symbol N), phosphorus (P), and potassium (K). A 16-16-16 fertilizer.Mar 15, 2018 · Chemical fertilizers, however, may have a natural source, but they go through a manufacturing process to convert them into easy-to-use forms that your plants can use ASAP. Organic fertilizers contain the same nutrients, but in varying forms, and can take some time to use as the soil must break its components down in order to be taken up by the .