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Arable Farming
Cropping
Gypsum
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<blockquote data-quote="Wastexprt" data-source="post: 1860726" data-attributes="member: 5826"><p>Personally, I don't think that 1t/ac would have much effect on soils. Currently the EA pretty much accept up to 6t/ha without too much hassle. Higher rates need more justification as PTE levels can start to creep up and analysis can be very variable due to material inputs. Many years ago we used to put Tioxide 'gypsum' at 10t/ac, with some heavy coastal plain land at 20t/ac, which used to have a fairly quick response. Please bear in mind that the S in recovered plasterboard is only about 2% available.</p><p></p><p>And as said above, gypsum is around 20 -25% Calcium.</p></blockquote><p></p>
[QUOTE="Wastexprt, post: 1860726, member: 5826"] Personally, I don't think that 1t/ac would have much effect on soils. Currently the EA pretty much accept up to 6t/ha without too much hassle. Higher rates need more justification as PTE levels can start to creep up and analysis can be very variable due to material inputs. Many years ago we used to put Tioxide 'gypsum' at 10t/ac, with some heavy coastal plain land at 20t/ac, which used to have a fairly quick response. Please bear in mind that the S in recovered plasterboard is only about 2% available. And as said above, gypsum is around 20 -25% Calcium. [/QUOTE]
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