Plant nutrients are classified as major (Nitrogen (N), Phosphorus (P) and Potassium (K), calcium (Ca), magnesium (Mg) and sulfur (S). They are also enquired in relatively large amounts but are less likely to be deficient. Micronutrients [boron(B), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo) and zinc (Zn)0. C | Sea weed based liquid fertilizer as a source of plant nutrition - A review