Mike Saull, Author at New Scientist Science news and science articles from New Scientist Fri, 14 Sep 1990 23:00:00 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.4 242057827 Nitrates in soil and water /article/1820657-nitrates-in-soil-and-water/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Fri, 14 Sep 1990 23:00:00 +0000 http://mg12717345.700 1820657