Understanding N-P-K Numbers | How to Choose Fertilizer
Walk through the fertilizer aisle at any garden center and you’ll notice three numbers printed prominently on every bag or bottle, such as 10-10-10, 5-10-5, or 16-4-8. These are called the N-P-K numbers, and they tell you the percentage of the three primary nutrients plants need to grow. Understanding these numbers can help you choose […]