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.(Xinhua/Xu Yu)

Aerial photo taken on Oct. 17, 2018 shows a view of a rice planting base in Taiyang Township of Lin'an District in Hangzhou, east China's Zhejiang Province. 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.(Xinhua/Xu Yu)

A farmer shows ducks raised in rice fields 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.(Xinhua/Xu Yu)

A farmer operates a reaper to harvest 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.(Xinhua/Xu Yu)