A rice crop experiment on saline soil has beaten expectations, laying the foundation for commercialization, according to Chinese scientists Thursday [28 September 2017]. Four types of rice registered an estimated output of between 6.5 to 9.3 tonnes per hectare, at Qingdao saline-alkali tolerant rice research and development center…Full Article: Xinhua Sept 2017

Key Point

  • In the spring of 2017, research scientists in Qingdao, Shandong Province, planted more than 200 types of rice. The rice paddy fields were then fed seawater from the Yellow Sea that was diluted to a salinity of 0.3%. Afterwards, the rice crop was then fed seawater with a ~0.6% salinity composition.

ChinaAg Comments

  • In April 2017, the sea rice center will plant 2 hectares of sea rice on an experimental plot situated north of Jiaozhou Bay (Qingdao), Shandong Province.
  • As of late 2016, China had more than 1 billion mu (~66.6 million hectares) of saline-alkali soil that was not being cultivated, including 10 million mu (~666,666 ha) of intertidal zone (i.e. seashore) soil.
  • In October 2016, Qingdao Sea Rice Research and Development Center was founded and will reportedly use gene sequencing technology to breed new strains of sea-rice.  The center received CNY 100 million (USD 14.8 million) as initial funding, with total funding expected to reach CNY 2 billion (USD 295 million) in the future.
  • In January 2014, Hainan University researchers announced they had cultivated (~2.5 MTs per acre) a high-yield, salt-resistant rice variety along the coast of Yancheng City, Jiangsu Province. At the time, China had approximately 13.3 million hectares of saline-alkali soil (10% of its farmland).
  • planted 18 salt-resistant varieties on saline-alkali land along the sea coast in the city of Yancheng in China’s eastern Jiangsu province and identified one variety matching the output of varieties growing on normal farmland,
  • In 1991, Chen Risheng identified ‘Sea-rice 86’ as a new species of seawater rice that could grow in saline-alkali soil along coastal areas. It was estimated that China has 100 million hectares of saline-alkali soil.
  • In 1986, China’s Chen Risheng (Zhanjiang Agriculture College alumnus) discovered a wild rice variety with high saline-alkali tolerance in Suixi County, Guangdong Province.

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