Excavations at the site of ancient Larsa have yielded a rare archive of 150 cuneiform tablets dating to the Old Babylonian period. Unlike typical administrative or legal texts, these documents focus entirely on what researchers call 'experimental botany.' The tablets detail specific efforts by royal scribes to breed salt-resistant varieties of barley and date palms in response to the increasing soil salinity that plagued southern Mesopotamia nearly four millennia ago.
The archive provides a fascinating record of early scientific observation, including measurements of water quality and the success rates of various grafting techniques. One tablet even describes a 'sacred nursery' where foreign plant species from the Indus Valley were being acclimated to the local environment. This discovery provides the earliest known evidence of state-sponsored agricultural research and development aimed at mitigating the effects of environmental degradation.