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Increasing Citrus Absorbic Acid Content (Vitamin C)
Vitamin C helps the body maintain healthy tissues and strong immune system. A cup of orange juice can contain almost 100mg of the vitamin.
Good crop nutrition with balanced supplies of potassium, boron, copper, iron, manganese, molybdenum and zinc provides fruit with higher ascorbic acid (Vitamin C) content.
In lemon this key nutritional property is also improved by application of sulfur.
Crop Nutrition and Ascorbic Acid Content
K, B, Cu, Fe, Mn, Mo and Zn
Nitrogen
As well as causing other issues such as delayed maturity, increased disease susceptibility, excess leaf growth and fruit cracking, excessive nitrogen can also reduce the ascorbic acid content of the fruit.
