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amelioration technique

Catalogue: GRDC Media
" Date: 13.12.2013 'Lime bank' deposits a good investment.. The Department of Agriculture and Food (DAFWA) now estimates that soil acidity costs up to $500 million annually in lost production across WA's grainbelt... Researchers including DAFWA's Chris Gazey estimate that 2.5 million tonnes per year of lime is needed for the next decade to recover soil pH to the targets of 5.5 in the surface and 4.8 in the subsurface layers and address ongoing soil acidification...
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