div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=national-geographic-soilb-iaea-na-explore-planet-earth-saving-soil-by-the-numbershtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: NATIONAL GEOGRAPHIC SOILB - IAEA NA · EXPLORE Planet Earth: Saving Soil By the Numbers ASSESSING EROSION USING During the 1950s and 60s nuclear weapons testing released radioactive loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentssitereader035viewer2022070112605903793e467a66151ff805html5thumbnails1jpg width=140 height=200 divdiv