Core Insights - The article highlights the cultivation of "Haihong rice," a unique variety of rice that thrives in brackish water, requiring minimal human intervention for growth and pest control [3][4] - The economic significance of "heachong" (a type of aquatic insect) harvested from the rice fields is emphasized, as it provides a substantial income for local farmers, surpassing the revenue from rice production [4] - The introduction of a new rice variety, "Haihong fragrant rice," developed through 28 years of research, shows promise with higher yields and market acceptance, contributing to local agricultural innovation [5][6] Group 1 - "Haihong rice" is cultivated in tidal areas where brackish water naturally supports its growth, with a height of over two meters and a harvest period from October to November [3] - The cultivation process is largely self-sustaining, relying on natural tidal movements for pest control, and has historical roots dating back over 460 years [3] - The economic model in Tunnan Village involves cooperation between farmers and cooperatives, where rice production is secondary to the more lucrative harvesting of "heachong" [4] Group 2 - The new "Haihong fragrant rice" variety has a yield of 300-400 kg per mu, significantly higher than traditional varieties, which yield only 100-150 kg per mu [5][6] - The market price for "Haihong fragrant rice" is around 50 yuan per kg, indicating strong consumer demand [6] - The agricultural practices in the region are evolving, with a focus on sustainable methods and crop rotation, enhancing both rice and sweet potato production [6][7]