Accurate Quantitative Rice Cultivation Technology is a pioneering initiative led by Professor Ling Qihong, a renowned rice cultivation expert in China. This technology integrates the rice leaf age model and population quality cultivation theories, aligning with modern rice farming trends. Over the past few years, it has been widely tested and promoted across multiple provinces, including Jiangsu, Jiangxi, Hubei, Anhui, Yunnan, Guizhou, Liaoning, and Heilongjiang, achieving significant success.
Recently, the Ministry of Agriculture's Crop Management Department and the National Agricultural Technology Extension Service Center jointly organized the National Accurate Quantitative Rice Cultivation Technology Promotion Ceremony in Guiyang, Guizhou. At the event, Xie Jianhua, Deputy Director of the National Agricultural Technology Extension Service Center, emphasized that provinces aiming for high-yield rice should prioritize this technique as a key method for increasing production. He encouraged the selection of demonstration counties, the establishment of pilot bases, and enhanced technical support.
It was also reported that the Ministry of Agriculture will form a steering group led by Professor Ling Qihong, with Professor Zhang Hongcheng from Yangzhou University as a consultant. Technical implementation teams will be set up nationwide to develop tailored plans, conduct training, and carry out demonstrations to ensure effective adoption of the technology.
Professor Ling Qihong delivered a special presentation on the technology, highlighting that since 2005, in various regions such as Yunnan, Guizhou, Henan, Jiangxi, Guangxi, Sichuan, Anhui, Liaoning, and Heilongjiang, different rice types and planting methods showed yields over 10% higher than traditional practices under the same variety and fertilization levels. The technology has proven beneficial for farmers at all levels.
High yield, quality, efficiency, ecological sustainability, and safety have become the core goals of China’s rice production. Achieving these goals largely depends on accurate quantitative rice cultivation. This technique not only improves resource utilization and economic returns but also helps optimize inputs like nitrogen fertilizer.
For example, in Jiangsu, precise nitrogen application tests showed that using about 20 kg per mu increased yield to around 700 kg, compared to 500–600 kg with conventional methods. If the target is 600 kg per mu, nitrogen use can be reduced to 16 kg, demonstrating both cost and labor savings.
High-quality rice requires precise quantification as well. Factors like grain ratio, chalkiness, gel consistency, protein content, and cooking quality are significantly influenced by cultivation techniques. Standardized approaches based on scientific principles ensure consistent, high-quality output.
Efficiency in rice farming also benefits from accurate quantitative methods. By adjusting sowing dates, seeding rates, fertilizer timing, irrigation, and pesticide application based on soil conditions, climate, and variety characteristics, farmers can achieve precision in every stage of growth. This reduces waste, saves time, and enhances productivity.
Safe rice production involves controlling harmful substances within acceptable limits. Precise timing and dosage of inputs prevent damage and ensure that rice meets safety standards. This promotes clean and sustainable agriculture.
Lastly, ecological farming relies on accurate quantification to balance nutrient use, reduce chemical overuse, and promote environmental harmony. Returning straw, managing fertilizers, and maintaining soil health contribute to a more sustainable and eco-friendly rice industry.
In summary, Accurate Quantitative Rice Cultivation represents a modern, science-based approach that supports high yields, quality, efficiency, safety, and environmental protection—making it a vital tool for the future of rice farming in China.
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