Villagers transplant rice seedlings in a field in Tianya District, Sanya, south China's Hainan Province, April 20, 2026.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Chen Wenwu/Xinhua)

An aerial drone photo taken on April 20, 2026 shows farmers weeding onion seed fields in Baixiang Town, Qinyang, central China's Henan Province.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Yang Fan/Xinhua)

An aerial drone photo taken on April 20, 2026 shows farmers applying mulch films in a sugarcane field in Wenshan City, Wenshan Zhuang and Miao Autonomous Prefecture, southwest China's Yunnan Province.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Xiong Pingxiang/Xinhua)

Farmers sow peanuts in a field in Dongxinzhuang Town, Zunhua City, north China's Hebei Province, April 20, 2026.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Liu Mancang/Xinhua)

An aerial drone photo taken on April 20, 2026 shows farmers working in test fields of a local agricultural science institute in Lixiahe area, east China's Jiangsu Province.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Ren Fei/Xinhua)

A villager harvests blueberries at a blueberry plantation in Chengjiang, southwest China's Yunnan Province, April 20, 2026.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Liang Zhiqiang/Xinhua)

Farmers harvest garlic scapes in a field in Xilingsi Town, Suixian County, Shangqiu City, central China's Henan Province, April 20, 2026.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Xu Zeyuan/Xinhua)

A farmer weeds in a wheat field in Mashang Township, Neihuang County, Anyang, central China's Henan Province, April 20, 2026.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Liu Xiaokun/Xinhua)

An aerial drone photo taken on April 20, 2026 shows a farmer preparing paddy fields in Pingbaying Town, Xianfeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Li Weijun/Xinhua)

A tea farmer works in an organic tea garden in Maoping Town, Zigui County, Yichang, central China's Hubei Province, April 20, 2026.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Wang Huifu/Xinhua)

An aerial drone photo taken on April 20, 2026 shows farmers working in a vineyard in Zhoujiazhuang Township, Jinzhou City, Shijiazhuang, north China's Hebei Province.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Liang Zidong/Xinhua)

Flower farmers harvest fresh cut peonies at a peony cultivation base in Yijing Town, Fengfeng Mining District, Handan, north China's Hebei Province, April 20, 2026.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Hao Qunying/Xinhua)

An aerial drone photo taken on April 20, 2026 shows a farmer working in a paddy field in Mala Town, Qianjiang District, southwest China's Chongqing Municipality.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Yang Min/Xinhua)

An aerial drone photo taken April 20, 2026 shows tea farmers harvesting tea leaves in a tea garden in Tuantian Township, Tengchong City, Baoshan, southwest China's Yunnan Province.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Gong Zujin/Xinhua)

An aerial drone photo taken on April 20, 2026 shows farmers harvesting scallions in Duotian Subdistrict, Xinghua City, east China's Jiangsu Province.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Shi Daozhi/Xinhua)

A farmer works in a watermelon field in Xinhua District, Shijiazhuang, north China's Hebei Province, April 20, 2026.

Monday marks Guyu, or Grain Rain, the sixth of the 24 traditional Chinese solar terms, signifying the onset of the rainy season, a favorable time for planting and the growth of crops. (Photo by Chen Qibao/Xinhua)