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https://www.abc.net.au/news/2023-09-03/feeding-the-world-but-at-what-cost-fertiliser-challenge/102756764 “there are concerns – particularly in the case of #nitrogen – that fertiliser use comes at cost to the environment.
"There are #GreenhouseGas emissions of both pre-farm, on-farm, and also through post farm activities, including through waste distribution … #environmental impacts, which include eutrophication of waterways, that's increased nitrogen in waterways, which can increase #algal blooms, and sometimes acidification of soils associated with fertiliser application,"
“#nitrogen fertilisers contribute less than 3 per cent of Australia's #GreenhouseGas emissions each year.
"In Australia,.. [that's] about 14 million tonnes of #CarbonDioxide equivalence a year. So that's a few per cent of our total emissions … it's significant, but it's not a massive contributor like say, our electricity system,"
"[With] other fertilisers such as #phosphate fertilisers, you don't get those same greenhouse gases on farm, but they still have an energy footprint.“