1. Growing vegetable plants and young foliage. 2. As substrate for potted plants and tree seedlings 3. Hydroponics 4. Greenhouses 5. Mushroom production 6. Soil amendment 7. Co-substrates for compost 8. Worm castings 9. Reptile bedding
NPK stands for "nitrogen, phosphorus, and potassium," the three nutrients that compose complete fertilizers Standing in the fertilizer aisle of a garden or farm store, you are faced with a dizzying array of fertilizer options, many with a series of three numbers like 10-10-10, 20-20-20, 10-8-10 5-15-45 or many other combinations of numbers. You may be asking yourself, “What do…