Secondary Nutrients

Secondary Nutrients

Studies show that additional Sulphur increases yield, particularly in coarse upland soils. Sulphur is the most widely used secondary nutrient. Plants require S as much of it as they require P.  Sulphur is vital for plant growth, as well as protein and seed development. It is sometimes called as “the fourth macronutrient”.

Magnesium (Mg)

Magnesium is a component of chlorophyll. Deficiency appears first as a yellowing of older, lower leafs.

Calcium (Ca)

Calcium stimulates the formation of roots and leaves, and is essential for cell wall formation.

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