A water soluble fertilizer is a compound that dissolves easily in water and provides nutrients for plants. This type of fertilizer may then be absorbed quickly and completely by the plant root system. It is typically used entirely by the plant and washes out of the soil without leaving behind an excess of unused nutrients or toxins. All chemically-created fertilizers contain varying amounts of nitrogen, phosphorus, and potassium, among other ingredients. In nature, plants can absorb ... Read more