Water-soluble fertilizers are fertilizers that can be dissolved in water and added or leached out of the soil easily. They usually have N-P-K numbers listed on their label. The numbers listed are not always the exact percentages, they are an indication of the smallest percentage that the fertilizer contains the listed element. The N is for nitrogen, the P is for phosphorus and the K is for potassium or potash. Nitrogen controls the processes used to make proteins vital to new protoplasm in the cells. Phosphorus used at its highest levels during germination, seedling, and the fruiting or flowering stages of growth. Potassium, or potash, provides the manufacturing and movement…