Inter Press Service: Cuba is facing the challenge of boosting agricultural output under difficult climate conditions and on soils badly deteriorated by erosion, salinity and other problems. And scientists have a strategic role to play, provided they do not sit in their laboratories but get out into the fields where the action is. “To do real science you have to be out there where the crops are growing,” said Sergio Ramírez, the son of a farmer who for the past 18 years has directed a research centre that …