div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=third-international-congress-of-tropical-agriculturehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Third International-Congress of Tropical Agriculture loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer2022020511575067b01a28ab0f07acaf2dhtml5thumbnails1jpg width=140 height=200 divp©1913 Nature Publishing Grouppdiv