Recently, the research results of the "Study on the Methods of Soil Nutrient Supply Strength and Proportional Fertilization Theory," led by Dr. Qi Qinghe, a researcher at the Shanxi Academy of Agricultural Sciences, have successfully passed expert evaluation. The expert review panel, headed by Academician Zhao Qiguo from the Chinese Academy of Sciences and a leading authority in soil science and sustainable agriculture, concluded that the findings represent international-leading achievements in the study of nitrogen and phosphorus ratios under fertilization, as well as marginal yield and optimal potassium conditions. These breakthroughs offer new opportunities for crop breeding across China and hold great significance for the continuous increase in grain production.
In field fertilizer experiments, Dr. Qi Qinghe discovered that crop yields are not only influenced by the existing nutrient levels in the soil but also by the quality and composition of the fertilizers applied. By applying this theory to real-world scenarios, researchers in Minqing River identified patterns in soil nutrient types and the ideal fertilizer ratios. They found that crop yield is not solely determined by the maximum amount of fertilizer used, but more importantly by the optimal balance between different nutrients. Based on this theory, fertilization trials conducted on crops such as corn, wheat, rice, tobacco, and potatoes in various regions and soil types have resulted in an average yield increase of around 30%.
This innovative research moves beyond traditional empirical fertilization methods by introducing the concept of the optimal fertilizer ratio. It clarifies the importance of the maximum fertilization amount and its close relationship with high crop yields. Additionally, it presents a new technology for determining the nitrogen yield potential of seedlings based on their nitrogen content. This advancement offers a more precise and scientific approach to fertilization management.
The outcomes of this project are expected to lead to a better understanding of issues like declining fertilizer efficiency and reduced product quality. Applying the knowledge of soil nutrient types and optimal fertilization ratios can significantly improve the economic returns of fertilization practices in China while reducing environmental impact and enhancing the quality of agricultural products. This research marks a major step forward in sustainable and efficient agricultural development.
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