Zinc deficiency-Wheat

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Nutrients

Cereals - Spots

Symptoms
In the present case, a mature leaf exhibits irregular light brown lesions, bordered by a dark brown margin.

Causes
Zinc deficiency

Zinc deficiency made worse by

Organic soils
High pH soils
Soils rich in phosphorus
Soils receiving high phosphorus application
Cold wet conditions

Zinc is important for

Increased fertility (number of grains per ear)
Better grain quality

Yara recommended fertilisers for Zinc deficiency

YaraVita GRAMITREL

Cereals: 1 to 3 l/ha from the 2 leaf stage to second node detectable (Zadok's G.S. 12 to 32). Repeat applications at 10 to 14 day intervals, within this timing, if necessary. For autumn sown crops, an application prior to winter dormancy may also be beneficial. In addition, 1 l/ha from second node detectable to flag leaf fully emerged (Zadoks G.S. 32 to 39). Water rate: 50 to 200 l/ha. Seed Dressing: 3 to 6 litres per tonne.

YaraVita MANCOZIN

Cereals: 1 l/ha at 2 leaf stage to second node detectable (Zadok's G.S. 12 to 32). Water rate: 200 l/ha. For severe deficiency, increase to 2 l/ha or repeat at the above rate. For autumn-sown crops, an application prior to winter dormancy is strongly recommended. Seed Dressing: Typically 3 litres per tonne. Rate can be increased up to 6 litres per tonne if necessary.

YaraVita ZINTRAC 700

Cereals: 1 l/ha from 2 leaf stage to second node detectable (Zadok's G.S. 12 to 32). Also, 0.5 l/ha from ear fully emerged to the end of flowering (Zadok's G.S. 59 to 69). Water rate: 50 to 200 l/ha. Seed Dressing: Typical rate: 3 litres per tonne. Increase up to 8 litres per tonne if necessary.