DATE:2017-11-16 SOURCE:Xinhua News Agency

Photo taken on Nov. 5, 2017 shows a cow breeding farm in Pingdingshan City, central China's Henan Province. As an effort to promote the recycling farming, the cow dung works well as a fertilizer for local farmers. The animal husbandry plays an important role in the green and efficient development of agriculture in Pingdingshan. (Xinhua/Li Xin)

A worker drives a machinery to dry the cow dung in Pingdingshan City, central China's Henan Province, Nov. 5, 2017. As an effort to promote the recycling farming, the cow dung works well as a fertilizer for local farmers. The animal husbandry plays an important role in the green and efficient development of agriculture in Pingdingshan. (Xinhua/Li Xin)

A farmer picks peanuts at the Chunxiao recycing farming demonstration garden in Pingdingshan City, central China's Henan Province, Nov. 5, 2017. As an effort to promote the recycling farming, the cow dung works well as a fertilizer for local farmers. The animal husbandry plays an important role in the green and efficient development of agriculture in Pingdingshan. (Xinhua/Li Xin)

Farmers pick vegetables at a planting base in Pingdingshan City, central China's Henan Province, Nov. 5, 2017. As an effort to promote the recycling farming, the cow dung works well as a fertilizer for local farmers. The animal husbandry plays an important role in the green and efficient development of agriculture in Pingdingshan. (Xinhua/Li Xin)

Photo taken on Nov. 6, 2017 shows the agricultural wastes disposal station of Kanglong Group in Pingdingshan City, central China's Henan Province. As an effort to promote the recycling farming, the cow dung works well as a fertilizer for local farmers. The animal husbandry plays an important role in the green and efficient development of agriculture in Pingdingshan. (Xinhua/Li Xin)

Red cows are seen at a breeding center in Jiaxian County of Pingdingshan City, central China's Henan Province, Nov. 6, 2017. As an effort to promote the recycling farming, the cow dung works well as a fertilizer for local farmers. The animal husbandry plays an important role in the green and efficient development of agriculture in Pingdingshan. (Xinhua/Li Xin)

A farmer irrigates the walnut fields with water full of fertilizer in Pingdingshan City, central China's Henan Province, Nov. 6, 2017. As an effort to promote the recycling farming, the cow dung works well as a fertilizer for local farmers. The animal husbandry plays an important role in the green and efficient development of agriculture in Pingdingshan. (Xinhua/Li Xin)

Photo taken on Nov. 6, 2017 shows the biomass block produced by the agricultural wastes disposal station of Kanglong Group in Pingdingshan City, central China's Henan Province. The biomass block, made of straw and peanut shell, can be used as fertilizer after the burning. (Xinhua/Li Xin)

A facility works automatically to clear the cow dung at a breeding farm in Pingdingshan City, central China's Henan Province, Nov. 5, 2017. As an effort to promote the recycling farming, the cow dung works well as a fertilizer for local farmers. The animal husbandry plays an important role in the green and efficient development of agriculture in Pingdingshan. (Xinhua/Li Xin)