Boosting Maize Production in China: New Research Reveals Key to Sustainable Agricultural Development

Strategic Insights -

New research conducted by scientists at the Chinese Academy of Agricultural Sciences has shed light on the key factors limiting maize production in China. According to the study, factors such as solar radiation, temperature, water, soil resources, and extreme weather events currently hinder the yield and resource use efficiency of maize production. The research also highlighted the importance of optimizing maize population structure, cultivar selection, and fertilizer application to increase grain yield and resource use efficiency.

Key Takeaways:

  • Maize is the most productive and widely planted food crop in China, with the highest yield potential among different crops.
  • The key limiting factors for maize production in China are solar radiation, temperature, water, soil resources, and extreme weather events.
  • Unsuitable cultivar selection, low planting density, and inappropriate fertilizer application are major problems in the process of maize production.
  • The maize population was optimized on the basis of quantitative design principles to match crop planting density with solar radiation levels, population structure with appropriate cultivars, and plow layer-root system-canopy functions with grain yield.
  • This approach can significantly improve maize production, reduce production costs and environmental burdens, and provide a scientific basis and technical support for realizing sustainable agricultural development in China.
  • The research was conducted by a team of scientists led by Huaxiang JI from the Institute of Crop Sciences, Key Laboratory of Crop Physiology and Ecology (Ministry of Agriculture and Rural Affairs), Chinese Academy of Agricultural Sciences.
  • The study included additional authors such as Guangzhou LIU, Wanmao LIU, Yunshan YANG, Xiaoxia GUO, Guoqiang ZHANG, Zhiqiang TAO, Shaokun LI, and Peng HOU.

Statistics:

  • Maize is the most productive food crop in China, accounting for a significant proportion of the country's agricultural output.
  • The global population is increasing, leading to a pressing need to address issues related to food security.
  • The study highlighted the importance of optimizing maize production to increase grain yield and resource use efficiency.
  • The research showed that optimizing maize population structure, cultivar selection, and fertilizer application can improve maize production by up to 30%.
  • The study also demonstrated that reducing production costs and environmental burdens can have a significant positive impact on the sustainability of agricultural development in China.

Sources:

  • "Quantitative design and production methods for sustainably increasing maize grain yield and resource use efficiency." Frontiers of Agricultural Science and Engineering, 2025, 12(3): 465-477. (Frontiers of Agricultural Science and Engineering - http://engineering.cae.cn/fase)
  • Huaxiang JI, et al. (2025). Quantitative design and production methods for sustainably increasing maize grain yield and resource use efficiency. Frontiers of Agricultural Science and Engineering, 12(3), 465-477.
  • NewsRx. New Agricultural Science Research from Chinese Academy of Agricultural Sciences Described (Quantitative design and production methods for sustainably increasing maize grain yield and resource use efficiency). China Weekly News. September 2, 2025; p 215.