A farmer harvests rice at a planting base in Taiyang Township of Lin'an district in Hangzhou, East China's Zhejiang province, Oct 17, 2018. Over 500 mu (33.33 hectares) of rice fields at the base have entered the harvest season recently. The rice fields here combine the nurturing of soft-shell turtles, bullfrogs and ducks with the planting of paddy rice, generating sound economic benefits. [Photo/Xinhua]

A farmer harvests rice at a planting base in Taiyang Township of Lin'an district in Hangzhou, East China's Zhejiang province, Oct 17, 2018. Over 500 mu (33.33 hectares) of rice fields at the base have entered the harvest season recently. The rice fields here combine the nurturing of soft-shell turtles, bullfrogs and ducks with the planting of paddy rice, generating sound economic benefits. [Photo/Xinhua]

A farmer harvests rice at a planting base in Taiyang Township of Lin'an district in Hangzhou, East China's Zhejiang province, Oct 17, 2018. Over 500 mu (33.33 hectares) of rice fields at the base have entered the harvest season recently. The rice fields here combine the nurturing of soft-shell turtles, bullfrogs and ducks with the planting of paddy rice, generating sound economic benefits. [Photo/Xinhua]

A farmer harvests rice at a planting base in Taiyang Township of Lin'an district in Hangzhou, East China's Zhejiang province, Oct 17, 2018. Over 500 mu (33.33 hectares) of rice fields at the base have entered the harvest season recently. The rice fields here combine the nurturing of soft-shell turtles, bullfrogs and ducks with the planting of paddy rice, generating sound economic benefits. [Photo/Xinhua]

A farmer harvests rice at a planting base in Taiyang Township of Lin'an district in Hangzhou, East China's Zhejiang province, Oct 17, 2018. Over 500 mu (33.33 hectares) of rice fields at the base have entered the harvest season recently. The rice fields here combine the nurturing of soft-shell turtles, bullfrogs and ducks with the planting of paddy rice, generating sound economic benefits. [Photo/Xinhua]

A farmer harvests rice at a planting base in Taiyang Township of Lin'an district in Hangzhou, East China's Zhejiang province, Oct 17, 2018. Over 500 mu (33.33 hectares) of rice fields at the base have entered the harvest season recently. The rice fields here combine the nurturing of soft-shell turtles, bullfrogs and ducks with the planting of paddy rice, generating sound economic benefits. [Photo/Xinhua]