A villager works in a field in Bailiaozhou Village of Rulin Town, in Chengbu Miao Autonomous County in Shaoyang City, central China's Hunan Province, Feb. 28, 2020. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Yan Qinlong/Xinhua)

Villagers works at a greenhouse taking care of grapes in Yangjiatao Town of Yutian County, in Tangshan, north China's Hebei Province, Feb. 28, 2020. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Li Yang/Xinhua)

Aerial photo taken on Feb. 28, 2020 shows villagers working in a field in Guitou Village of Meihua Town in Yongzhou, central China's Hunan Province. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Jiang Keqing/Xinhua)

A villager prunes a cherry tree at a greenhouse in Pangjia Town of Boxing County in Binzhou City, east China's Shandong Province, Feb. 28, 2020. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Chen Bin/Xinhua)

Villagers harvest carrots in a field in Daqiao Town of Binyang County in Nanning, south China's Guangxi Zhuang Autonomous Region, Feb. 28, 2020. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Zhao Jingwu/Xinhua)

Aerial photo taken on Feb. 28, 2020 shows villagers picking up fungus in a field in Rongjiang County, southwest China's Guizhou Province. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Wang Bingzhen/Xinhua)

A villager works at a greenhouse in Tongjing Town of Yinan County in Linyi, east China's Shandong Province, Feb. 28, 2020. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Wang Yanbing/Xinhua)

Aerial photo taken on Feb. 28, 2020 shows villagers working in a field in Qidu Township of Yongfeng County in Ji'an City, east China's Jiangxi Province. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Liu Haojun/Xinhua)

Photo taken on Feb. 27, 2020 shows villagers working in a field in Changshan Village of Shijia Town in Qianjiang, southwest China's Chongqing Municipality. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Yang Min/Xinhua)

A villager works at a greenhouse in Tuanpiaozhuang Township of Zunhua in Tangshan, north China's Hebei Province, Feb. 29, 2020. Farmers have been busy carrying out agricultural production recently as the weather warms up. (Photo by Liu Mancang/Xinhua)

A farmer works in a field in Guiping City, south China's Guangxi Zhuang Autonomous Region, Feb. 28, 2020. (Xinhua/Cao Yiming)

Aerial photo taken on Feb. 29, 2020 shows a villager planting sugarcane at Zhishan Village of Pingshan Town in Luzhai County, Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Feb. 29, 2020. As the weather warms up, Luzhai County has resumed sugarcane planting, a way to help local farmers shake off poverty in recent years. (Xinhua/Huang Xiaobang)