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Cornwall Heatwave. Farm tractor kicks up huge dust clouds whilst spreading crushed limestone soil acidity reducer. Nansledan Valley Newquay Cornwall UK

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Heatwave conditions and a hot dry breeze see a Farm tractor create a smoke screen of limestone dust drifting over the freshly plowed fields. The use of crushed limestone in reducing the build up of acidity in farmland has a long history. Crumbling lime kilns going back centuries lie alongside many Cornish creeks and harbours. Cotehele quay on the river Tamar has some fine examples. Treating soil every three to four years with such a product can reduce acidity thus enabling an easier take up of nutrients by plant life. Gains of 40% in crop size can be achieved with a one point reduction in soil acidity. Limestone based improvers cost a relatively modest £25 per tonne. Due to the Ukraine war causing disruption to fertiliser production, and availability and the cost of Natural gas which is part of the manufacturing process, huge price increases have been seen. although prices per tonne are approx £330 currently, they have been very recently almost double this price with catastrophic effects on farming budgets. So dramatic images of smoking fields seen here are not quite to fully organic farming standards but are fairly neutral and sometimes beneficial in ecological effect. Nansledan Valley adjacent to The Duchy of Cornwall New town of the same name.

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