María Falcón, Geoambiente This Spanish language documentary (with English subtitles) features the USDA Tropical Agriculture Research Station (TARS) in Puerto Rico. Meet the TARS scientists. See the germplasm collections including banana and plantain in vitro collections as well as crops grown in the field: rambutan, mamey sapote, carambola (star fruit), cacao, sorghum, soybean, and more. Learn about the research from resistance to insect pests and diseases, drought tolerance, and more.