सयाबिन नेरसोनफोरनि रेदिअकार्बन खालार-थिखालामनाया गुदि मुमुन समफारि करियानि अकबां थिलियाव जावखांनाय समफारियाव गोजावनायनि गेजेरजों मोनफिननाया प्राय 1000-900 बि सि इआव खाजा फसल हिसाबै आबाद-मावजानायखौ इसारा-होदोंमोन।
Radiocarbon dating of soybean samples recovered through flotation during excavations at the Early Mumun period Okbang site in Korea indicated soybean was cultivated as a food crop in around 1000–900 BCE.