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Grass samples taken by Kemira GrowHow distribritutors in spring 2007 reveal widespread Sulphur deficiency.
Grass samples have been taken from all over Great Britain and sent to Hill Court Farm Research for ananlysis: 84% of theses were Sulphur deficient.
The laboratory utilised the Malate Sulphate test to determine the Sulphur status of the grass and Dr Metchteld Blake-Kalff comments " we know thta su;phur defiency in grass is increassing but have beeen surprised by the extent of the defieciency that
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tGrowHow distributors are continuing to take samples and analysis will continue throughout the year.
The Malate Sulphate test is the most reliable indicator of the Sulphur status of the grass. Distributor fieldsmen take the youngest leaves form aproximately 30 different plants across the field. The leaves are dried if wet and sent to the laboratory for analysis. Deficient samples result in a malate:sulphate ratio of more than 1.5.
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