At present, soil testing and formula fertilization are being actively promoted nationwide. However, some regions still hold misconceptions about this initiative. Some people see it as a simple technical task—just testing the soil and producing a large number of fertilizer formulas. They believe that with the right instruments, the process can be completed quickly. These misunderstandings have seriously undermined the scientific nature of the technology and led to confusion among farmers.
First, there is a misunderstanding in how the work is perceived. Experts emphasize that soil testing and formula fertilization is not just a temporary project or a one-time task. It is a long-term, fundamental effort that directly impacts stable grain production, rising farmer incomes, and the continuous improvement of the ecological environment. This is a critical, ongoing responsibility that requires sustained attention and commitment.
Soil testing and formula fertilization is not just a technical job. It requires the active participation of various sectors, each playing its part and contributing their best efforts. The agricultural technology extension system should take charge of soil testing, formulation, and guiding fertilization, while building a strong technical support platform. Soil testing and fertilization stations, fertilizer manufacturers, and sellers must ensure the production and supply of tailored fertilizers, establishing efficient production and marketing systems. Meanwhile, research institutions and academic units should focus on solving key technical challenges, continuously refining and improving soil testing and fertilization methods.
Another common misunderstanding is the relationship between soil testing and field trials. Experts point out that soil testing is not simply about laboratory analysis or “prescribing†fertilizers based on test results. Field trials for different crops are the most direct and effective way to understand the impact of fertilization, crop growth, and nutrient absorption. These trials form the foundation of soil testing and formula fertilization, serving as the primary basis for developing crop-specific fertilization plans. They are essential for creating regionalized fertilization strategies and must be given high priority.
Additionally, soil testing involves selecting representative plots within a certain area to determine nutrient levels and develop appropriate fertilization strategies. It is neither practical nor necessary to test every single plot individually.
Lastly, there is a misunderstanding regarding rapid soil nutrient testing. According to experts, soil nutrient test results are relative values. A reliable recommendation system must be established through matching field trials. Currently, many rapid soil testers lack a comprehensive fertilization indicator system. When only one or two samples are tested, the results may appear "fast," but when a larger batch is tested (more than three samples), the rapid method often compares unfavorably with traditional lab testing. Therefore, in large-scale soil testing and formula fertilization efforts, conventional soil nutrient testing remains the most accurate and effective approach. The widespread use of rapid testing devices should be approached with caution and not over-extended.
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