There are 90 or more plant nutrients, 17 of which are essential to plant health. Nickle was the newest to the list in the 1980’s. Without these nutrients plants cannot complete their life cycle. For a review on the role each of the nutrients plays in plant health visit 17 Essential Soil Nutrients For Plant Health. Silicon, cobalt and vanadium are also important nutrients to many plants … Continue reading Plant Nutrient Deficiency Symptoms and How to Correct Them