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steve.townsend@soilfirstfarming.co.uk



Oats

Whilst we haven't got any images of Oats at the moment, we have written what the likelihood deficiency would be, read more to find out the solution to get your Oats growing to maximum potential.

Manganese

Oats are the most sensitive cereal to Manganese deficiency. Known as Grey Speck the visual symptoms are easily recognisable in crops that are short of Manganese. Manganese deficiency is usually visible at the three leaf stage and after. Deficiency is characterised by pale green or yellow leaves, and a lack of vigour. Severe deficiency advances from paling and yellowing to white interveinal streaks, which can coalesce into buff coloured or grey interveinal patches. This deficiency occurs in well-defined areas in fields that vary considerably in size.

Alkaline soils, organic soils, light sands and soils that are poorly consolidated are prone to Manganese deficiency. Soils with high levels of calcium, Iron and Magnesium can contribute to Manganese shortages. Other metals have an antagonistic effect if they are too abundant.

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Magnesium

First seen on the older leaves as paler coloured lines running along the leaf. Easier to spot when the leaf is held up to the light. In severe cases interveinal chlorosis can coalesce at leaf margins and cause necrosis.

Magnesium shortages occur on low pH soils, calcareous soils, light sands, and soils with a high (4+) Magnesium index.

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Copper

Copper deficiency is rarely seen before April and May. Seen first as bleaching or chlorosis of the leaf tip of cereals, severe cases result in blind grains due to reduced pollination sites. Yield is greatly reduced.

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Sulphur

Visual symptoms of sulphur shortages are hard to find in the field. It is most evident in grain quality. Low bushel weights and low protein levels in the grain indicate a lack of sulphur.

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Zinc, Boron, molybdenum

We have yet to see symptoms of any of these metals lacking in a cereal crop in the UK. If you think you have it – give us a call we would to have a look!

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