China’s south-to-north water diversion project, expected to start operation in the coming days, will ease the drought that has been plaguing north China, greatly improving grain output, officials and experts have said. About 13 percent of water will be assigned for agriculture every year, which will add six billion cubic meters of water for ecological and agricultural use, a blessing for the thirsty farmland, said E Jingping, director of the South-North Water Diversion Office of the State Council, China’s cabinet…Full Article: The Global Times Oct 2014

Key Point

  • China’s south-to-north water diversion project is expected to roughly triple Henan’s wheat output from 150-200 kg per mu to 400-500 kg per mu (2.25-3 metric tons per hectare to 6-7.5 MTs per ha).

ChinaAg Comments

  • From 2004 to 2011, wheat output has increased an average of 4% annually and yields have increased from 4.3 MTs per ha to 4.8 MTs per ha.
  • Stretching across the Chinese Provinces of Henan and Hubei, the Danjiangkou Reservoir has a 1.7 million cubic meter capacity (9.5 billion cubic meters pumped through each year) and is tasked to supply water to Beijing and Tianjin. A total of 345,000 people were displaced to make room for the reservoir, which was the second largest relocation due to a water conservancy project (Three Gorges Dam being the first).

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