An experiment was carried out to determine the effect of applied gypsum on the ease of tillage in 3 vertisols of the Gwydir Valley, New South Wales. The soils were classified as 'poor' and 'good' on the basis of past dryland wheat yields and structural of their surface aggregates.Where gypsum had been applied 22 months
In the late 80’s early 90’s periodic failure of canola crops were occurring in NSW. Responses to nitrogen were being seen in canola trials but no responses to the addition of sulphur (Sykes and Colton 1990) were occurring. In 1991 the KCL40 soil test was developed and validated in pastures. Canola crops in southern NSW
Gypsum was used to neutralize the toxic alkaline material spilled into the river Marcal, part of the Danube’s tributary system. Gypsum and acid was continually added to adjust the pH value to a more favourable level to reduce the impact on aquatic flora and fauna. The Hungary’s toxic-sludge spill, killed four and injured more than
REGYP supplies soil sdditives for superior lawn establishment and growth: 1. Mined Gypsum, 2. Super Ag Gypsum (recycled gypsum), 3. Organics (pasteurised organic material) Super Ag Gypsum (Calcium Sulphate) should be applied to all lawn planting areas prior to any cultivation at a rate of up to 2 kg/m², and should be incorporated into the
To ascertain the sulphur content in gypsum you must: - Dry the sample overnight at <40 degC fan forced oven, - Then crushed and sieved to 0.5mm (including paper if recycled) until all sample passed the sieve. It is then mixed thoroughly. - Purity of gypsum is calculated by dividing Sulphur % by 0.186 (i.e.
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