This is the percentage by weight of the N, P, and K found in the fertilizer. So this bag has 10 percent N, 10 percent P and 10 percent K. The other 70 percent is filler, usually fine sand or limestone granules. Find the three numbers on the fertilizer package. If you have ever wondered what the three numbers on a fertilizer bag mean, you’re not alone. A Homeowner's Guide to Fertilizer: Understanding the Fertilizer Label : All fertilizer labels have three bold numbers. The numbers found on our All-Purpose Fertilizer, for example, are 5-5-5. 10-10-10 is an easy to find all-purpose fertilizer. For example, a fertilizer such as Miracle-Gro … Filler makes the fertilizer … These are three of … This is due to the fact that … Most bags do not tell you what the numbers stand for in terms of … This is the percentage by weight of the N, P, and K found in the fertilizer. What the Fertilizer Numbers Mean. If you've shopped for lawn fertilizer before, you might have noticed some numbers on the label that look something like this: 32-0-4. For this example, use 10-10-10. For example, a 24-2-8 fertilizer has 24% nitrogen, 2% available phosphate and 8% soluble potash. It doesn’t matter if it is liquid or dry fertilizer, as the numbers … The numbers that you see represent the percentage of that nutrient that are within the fertilizer. Organic fertilizer numbers vs synthetic fertilizer numbers For natural-based organic fertilizers , the numbers in the N-P-K ratio are often smaller (2-3-2 or 1-1-6, for example). As to the numbers you listed for the fertilizer options, I would go with a lower first number-more like a 10-10-10. The 30-10-10 is too high on the nitrogen side and will promote foliage growth at the expense of flowers. These numbers represent the percent by weight of nitrogen (N), phosphorus (P) and potassium (K) in every container and are always listed in the same order. … Also implied in the N-P-K label is a percentage sign behind each of these numbers. What does NPK Stand For? All fertilizer bags will have three numbers separated by a dash (-) usually located across the top. Each number represents a percentage of the total weight of the fertilizer. The first number is the amount of nitrogen (N), the second number is the amount of phosphate (P 2 O 5) and the third number is the amount of potash (K 2 O). Some fertilizers have more than three numbers, and in those cases the extra numbers represent other nutrients. The numbers on the front of your lawn fertilizer bag are a “fertilizer grade”, sometimes called an “N-P-K ratio”, which describes how much Nitrogen, Phosphorus, and Potassium it contains. They refer to the NPK ratio, by weight, of the fertilizer in the bag. Nitrogen, … These numbers represent nitrogen, phosphorus and potassium content. The numbers … These three numbers … The numbers represent the percentage, by weight, of Nitrogen (N1 - always the first number), Phosphorus (P2O5 - always the second number) and Potassium (K2O - always the third number… The third number is soluble Postash (K₂O), which helps grass withstand stress, drought or disease. Most people ignore it, but this code tells you a lot about the lawn fertilizer you're about to buy. These three numbers represent nitrogen, phosphorous, and potassium respectively (N-P-K). These three nutrients are the main nutrients that compose fertilizers. Some fertilizers have more than three numbers represent nitrogen, 2 % available phosphate and 8 soluble... 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