deyner, keyli, lecci und deyli jimenez live close to the stream.ll six kids in the family help with the chores -- well, almost all. and there is a lot to do. which is good. there is always something to harvest on the family's plot of land, and they have enough to eat. it wasn't always that way. >> all we used to think about was growing corn. unfortunately, the soil here is not really suited to that. now we grow a range of crops. and thank god it has been going well. heydi garcia has been helping the jimenez and other families here diversify their crops. she 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 diff