How did early Fijian communities grow taro in the fertile deltas of southeastern Viti Levu?

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In the fertile delta regions of southeastern Viti Levu, early Fijian communities supported large populations by practicing intensive taro cultivation. Unlike the slash-and-burn agriculture common in other areas of Fiji, these settlements utilized complex irrigation systems to grow their crops. These communities were further distinguished by their defensive infrastructure, being protected by massive ring-ditch fortifications.1