Iron is one of the most important micronutrients in the nutrient food web. Very much like Calcium, it has a plethora of antagonistic relationships in soils and root systems. When it is out of balance it can cause a plethora of issues including chlorosis.
Sodium is a minimalistically-essential nutrient that uses the power of osmosis.to assist with nutrient uptake. Sodium is the base of most traditional ag fertilizers. Sodium efficiency is extremely, extremely rare.
Micronutrients are just as essential as the rest of the nutrients, but they are required at extremely low levels. This week we’ll explore part I featuring 4 of the 8 major micronutrients and their benefits: Magnesium, Sodium, Iron & Zinc.
Sodium is only considered a secondary nutrient because of the sheer amount of sodium that plants can take before there is a problem. Most plants are extremely salt-tolerant. Salts, in a form, are actually necessary to promote metabolism and concentrate carbon dioxide.