Dry or Wet? Evaluating the Initial Rice Cultivation Environment on the Korean Peninsula

The origins and development of rice cultivation are one the most important aspects in studying agricultural socio-economic innovations, as well environmental change, East Asian prehistory. In particular, whether wet or dry was conducted is an consideration its impact on societies environment across different periods places. this study, carbon nitrogen stable isotope analysis charred crop remains from archaeological sites dating Early Bronze Age (ca. 1.1 k BC) to Proto-Three Kingdoms 0.4 AD) clarify: (1) if there were any shifts around 1500 years after adoption previously hypothesized (2) difference values between fields crops excavated same context understand environment. result show that grains have not changed significantly for years. Moreover, possessed higher than all periods. While other potential factors could influenced 15N-enrichment soils crops, reasonable explanation bacteriologic denitrification anaerobic paddy soil where grown.