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In 2018, researchers used satellite imagery to identify 81 ancient earthwork sites in the Amazon, providing evidence of pre-Columbian settlements- In 2018, scientists added up to 15 tons of cacao-shell biochar per hectare to degraded tropical soil; maize yields improved over several growing seasons
- A Lost Civilization Under the Rainforest? LiDAR Is Rewriting Amazon History
- NGOs forum to run parallel with world food summitDozens of non-governmental organisations and small farmers' groups plan a forum in Rome next week to coincide with an international summit ...30 May, 2008, 10.11 PM IST
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