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Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. Leaf blades are enlarged.
Reasons
Manganese deficiency
Over-liming, the occurrence of very loose, highly aerated soils and also drought render Mn less available. Crops grown in high organic matter, in peat soils or substrates also suffer from poor Mn availibility.
Broccoli - Chlorosis
Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. Leaf blades are enlarged.
Reasons
Manganese deficiency
Over-liming, the occurrence of very loose, highly aerated soils and also drought render Mn less available. Crops grown in high organic matter, in peat soils or substrates also suffer from poor Mn availibility.
Broccoli - Chlorosis
Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. All leaves are a paler green than normal. Leaf blades are enlarged.
Reasons
Manganese deficiency (right)
Over-liming, the occurrence of very loose, highly aerated soils and also drought render Mn less available. Crops grown in high organic matter, in peat soils or substrates also suffer from poor Mn availibility.
Manganese deficiency made worse by
Organic soils
Sandy soils
High pH
Cold wet periods
Fluffy soils
Manganese is important for
Boosts growth
Ensures good crop quality with high sugar and vitamin C contents
Yara recommended fertilizers for Manganese
YaraVita MANTRAC PRO
YaraVita MANTRAC PRO
Broccoli: 1 l/ha from 4-6 leaf stage. For moderate to severe deficiency, repeat applications at 10-14 day intervals. Water rate:200 l/ha.