Plant Nutrient Deficiency

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Sulphur Deficiency

SULPHUR DEFICIENCY
Similar in appearance to nitrogen stress, low sulphur status induces a pale yellow chlorosis of the entire plant. Plants produce smaller leaves with lower chlorophyll and slower growth rates. Sulphur deficiency can lead to elevated leaf concentrations of free nitrogen, which can increase insect and disease pressure. Low sulphur status reduces nitrogen metabolism, leaf expansion and plant development
SIGNIFICANCE
As mobility within the soil is very high, sulphur demand is not often met without supplementation. Low sulphur status will restrict plant response to nitrogen, influencing growth rates, senescence and disease resistance. Sulphur stress is often worse in cold, wet, compacted soils.
ACTIONS
Check soil status and correct if necessary. Apply sulphur with nitrogen fertiliser. Foliar feed sulphur during times of rapid growth, peak stress or high disease pressure.

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Sulphur
Sulphur

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