Core Insights - The article highlights the role of "watermelon testers" in ensuring the quality of watermelons in Guomiao Town, Anhui Province, emphasizing their expertise in determining watermelon ripeness and the impact on local agriculture [1][4]. Group 1: Watermelon Testing and Expertise - The watermelon tester, Fu Qianyou, can assess a watermelon in an average of 3 seconds using a method of visual inspection, tapping, and listening [1]. - Fu has been invited to serve as a tester for nine other watermelon distribution points, showcasing the demand for skilled testers in the region [1]. - There are over 1,000 watermelon testers in Guomiao Town, distributed across 47 distribution points, indicating a robust local industry [2]. Group 2: Agricultural Practices and Economic Impact - Guomiao Town employs a greenhouse planting model, resulting in thin-skinned, sweet watermelons that are popular among consumers [2]. - The town maintains a stable watermelon planting area of approximately 10,000 acres, contributing to a full industry chain from seedling cultivation to logistics [2]. - The presence of testers has reduced waste by helping farmers accurately identify ripe watermelons, thus enhancing the overall quality and marketability of the local watermelon crop [4].

Core Viewpoint - The article highlights the rising demand for watermelons in the summer, leading to the emergence of the profession of "watermelon testers" who ensure the quality of watermelons sold in the market [1][11]. Group 1: Watermelon Testing Profession - Watermelon testers can quickly determine the ripeness and sweetness of watermelons using techniques such as "look, touch, and listen," achieving a quality assurance rate of over 95% for tested watermelons [1][4][5]. - The profession has become increasingly important in the watermelon market, especially in regions like Nanzhang Town, which is known for its watermelon production [2][11]. - Experienced testers, like Ma Qi, have gained recognition for their skills, which are essential for buyers who may not have the expertise to select high-quality watermelons [5][9]. Group 2: Market Dynamics and Economic Impact - Nanzhang Town has developed into a significant early spring watermelon production area, with a total planting area of 25,000 acres and an expected annual output of 125,000 tons, generating an estimated total value of approximately 370 million yuan [11]. - The daily transaction volume of watermelons in the town has exceeded 200 tons, reflecting the growing market demand [11]. - The income for watermelon testers can reach over 10,000 yuan per month during peak seasons, with daily earnings potentially ranging from 700 to 1,000 yuan [8][13].