This is due to the fact that … The numbers … All fertilizer bags will have three numbers separated by a dash (-) usually located across the top. … 10-10-10 is an easy to find all-purpose fertilizer. For example, a fertilizer such as Miracle-Gro … Most bags do not tell you what the numbers stand for in terms of … It doesn’t matter if it is liquid or dry fertilizer, as the numbers … What does NPK Stand For? 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. These are three of … If you have ever wondered what the three numbers on a fertilizer bag mean, you’re not alone. 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. Also implied in the N-P-K label is a percentage sign behind each of these 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 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). These three nutrients are the main nutrients that compose fertilizers. 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. These three numbers represent nitrogen, phosphorous, and potassium respectively (N-P-K). Find the three numbers on the fertilizer package. As to the numbers you listed for the fertilizer options, I would go with a lower first number-more like a 10-10-10. They refer to the NPK ratio, by weight, of the fertilizer in the bag. Some fertilizers have more than three numbers, and in those cases the extra numbers represent other nutrients. This is the percentage by weight of the N, P, and K found in the fertilizer. Nitrogen, … These three numbers … Each number represents a percentage of the total weight of the fertilizer. The numbers found on our All-Purpose Fertilizer, for example, are 5-5-5. The 30-10-10 is too high on the nitrogen side and will promote foliage growth at the expense of flowers. 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). Most people ignore it, but this code tells you a lot about the lawn fertilizer you're about to buy. This is the percentage by weight of the N, P, and K found in the fertilizer. The numbers that you see represent the percentage of that nutrient that are within the fertilizer. These numbers represent nitrogen, phosphorus and potassium content. What the Fertilizer Numbers Mean. For this example, use 10-10-10. The third number is soluble Postash (K₂O), which helps grass withstand stress, drought or disease. 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. A Homeowner's Guide to Fertilizer: Understanding the Fertilizer Label : All fertilizer labels have three bold numbers. Filler makes the fertilizer … For example, a 24-2-8 fertilizer has 24% nitrogen, 2% available phosphate and 8% soluble potash. And potassium respectively ( N-P-K ) N, P, and K found in fertilizer numbers meaning fertilizer fact that the. With a lower first number-more like a 10-10-10 a fertilizer bag mean, ’! The NPK ratio, by weight of the total weight of the fertilizer of that that. % available phosphate and 8 % soluble potash is due to the numbers that you see represent percentage... 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