Reading Fertilizer Numbers Worksheet Answers. An ideal ratio for an all-around maintenance fertilizer is 3-1-2. 15-10-5 The numbers on a bag of fertilizer tell the percentages of nitrogen phosphorus and potassium. These nutrients are the three numbers on a fertilizer bag listed in order N-P-K.

### This means that 32 percent of our bag is comprised of fertilizer.

Actual size of a number. Very often moms educate their children a great deal of capabilities without having really realising how the enjoyable these are experiencing is a good way for a child to learn. For example a bag of fertilizer with the fertilizer numbers 10-5-10 on the label holds 10 N 5 P and 10 K.

As you walk through the fertilizer aisle you notice three numbers on the front of each product. The first reads 23-3-8 The second one is marked with 30-0-4. Divide 6 by 100 to get 006 and multiply that by 50 pounds which equals 3 pounds.

These three numbers are generally printed in large bold characters on the fertilizer container and refer to the percentage of primary nutrients nitrogen N phosphate P and potassium K in the container. 1 ounce 283 grams Equation 1 So we simply multiply our answer from 1b by 283 to get the answer. Lets run through a full example with a 50 pound bag of 6-6-18 fertilizer remember the order of the numbers is N-P-K.

6 N 10 N 12 N 15 N 16 N 23 N 27 N 1000 ft2 165 lbs 10 lbs 825 lbs 65 lbs 625 lbs 425 lbs 375 lbs 1200 ft2 20. 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. N stands for Nitrogen P stands for Phosphorous and K stands for Potassium These are always the three main numbers located on the fertilizer.

The fertilizer numbers found on the package represent the percentage by weight of these three macro-nutrients as they are found in that package. How to Read a Fertilizer Label. The bag contains 30 nutrients.

Some of the worksheets for this concept are Plant reproduction Plant reproduction answers work The story of flowering plants flowers fruits and seeds Pollination activity Nutrients and fertilizers Plant reproduction questions work Plant reproduction answer key Bees and flowers. These three numbers represent the primary nutrients nitrogenN - phosphorusP - potassiumK. Those three numbers are reflected as X-Y-Z and are meant to help you decide which fertilizer to use.