About 100 reapers prepare to set out to take part in harvesting wheat in Huangxian County of Anyang City, central China's Henan Province, May 23, 2014. China's wheat production areas have entered into a wheat harvest season. (Xinhua/Liu Xiaokun)

About 100 reapers prepare to set out to take part in harvesting wheat in Huangxian County of Anyang City, central China's Henan Province, May 23, 2014. China's wheat production areas have entered into a wheat harvest season. (Xinhua/Liu Xiaokun)
About 100 reapers prepare to set out to take part in harvesting wheat in Huangxian County of Anyang City, central China's Henan Province, May 23, 2014. China's wheat production areas have entered into a wheat harvest season. (Xinhua/Liu Xiaokun)

About 100 reapers prepare to set out to take part in harvesting wheat in Huangxian County of Anyang City, central China's Henan Province, May 23, 2014. China's wheat production areas have entered into a wheat harvest season. (Xinhua/Liu Xiaokun)

Reapers take part in a ceremony before setting out to harvest wheat in Huangxian County of Anyang City, central China's Henan Province, May 23, 2014. China's wheat production areas have entered into a wheat harvest season. (Xinhua/Liu Xiaokun)

A reaper pastes a number on his farm machine before setting out to take part in harvesting wheat in Huangxian County of Anyang City, central China's Henan Province, May 23, 2014. China's wheat production areas have entered into a wheat harvest season. (Xinhua/Liu Xiaokun)

A farmer stands by a reaper before setting out to take part in harvesting wheat in Huangxian County of Anyang City, central China's Henan Province, May 23, 2014. China's wheat production areas have entered into a wheat harvest season. (Xinhua/Liu Xiaokun)