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‘White Gold’ Seabird Guano Sustained Life in Ancient Atacama
... is continually cycled among plants, soil organisms, soil organic matter, water, and the atmosphere. While nitrogen is ... effects of using ‘too much’ nitrogen. An article on Gardening Know How discussing the nitrogen cycle says a lack ...
ashley cowie - 25/01/2021 - 16:00
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Ancient Maya citadel discovered in Belize is an anomaly
... excavate it and examine ceramics and do C14 dating of organic materials around the ruins. Ford said it would take ... the traditional Maya agricultural practice of forest gardening, a methodology for sustainability thought to be a ...
Mark Miller - 28/03/2015 - 23:59