Potassium (K) is required by all plant life. Adequate potassium results in superior quality of the whole plant due to the improved efficiency of photosynthesis, increased resistance to some diseases and greater water use efficiency. Potassium helps maintain a normal balance between carbohydrates and proteins. , potassium deficiencies are most common on well drained, coarse-textured soils. These deficiencies can be corrected with potassium (Potash) fertilizer (K20) Good quality fertilizer and easy to use Weight : 400 g Water-soluble helps the plant set buds and flowers