heydi garcia has been helping the jimenez and other families here diversify their crops.he works for an ngo called defensores de la naturaleza -- defenders of nature. malnutrition is a major problem in guatemala -- it's one reason the child mortality rate is so high. >> we try to do two things. one: bring back vegetables and plants that were once part of traditional farming here, but that have now fallen out of favor. and two: introduce new varieties that are more nutritious, but that nobody here has ever eaten before. the idea is for each family to eventually grow a whole lot of different things on their plot. but isn't that obvious? here beside the rain forest, where everything just grows and grows? apart from corn, that is. >> it's not that it was never like that. but over the course of time, that traditional way of farming somehow got lost. people here have a very close relationship to the earth -- and to corn. so we have to work hard to persuade them to diversify. >> but the effort is paying off. the jimenez family has been harvesting their pinapples. next will be th