Dong Zhaobin (2nd L), general manager of local agricultural cooperative, explains the field management techniques for the walnut with red kernels as his colleagues listen in Luonan County, Shangluo, northwest China's Shaanxi Province, Aug. 5, 2019. The variety of walnut with red kernels was brought in to Luonan at the end of 2015 and now 1200 mu (80 hectares) of standardized farming demonstration base has been set up to help local low-income families get out of poverty. (Xinhua/Tao Ming)

A villager displays walnuts with red kernels in Luonan County, Shangluo, northwest China's Shaanxi Province, Aug. 5, 2019. The variety of walnut with red kernels was brought in to Luonan at the end of 2015 and now 1200 mu (80 hectares) of standardized farming demonstration base has been set up to help local low-income families get out of poverty. (Xinhua/Tao Ming)

Photo taken on Aug. 5, 2019 shows walnuts with red kernels in Luonan County, Shangluo, northwest China's Shaanxi Province. The variety of walnut with red kernels was brought in to Luonan at the end of 2015 and now 1200 mu (80 hectares) of standardized farming demonstration base has been set up to help local low-income families get out of poverty. (Xinhua/Tao Ming)