The first is misunderstanding in understanding. Experts believe that soil testing and formula fertilization is different from general “projects†or “projects†and is a long-term and basic work. It is a daily issue that directly affects the stable production of grain, steady increase in farmers’ income, and continuous improvement of the ecological environment. Sex work. Soil testing and formula fertilization is not just a simple technical task. Only the active participation of all sectors of the society, their respective duties, and their best efforts can truly advance the development of the work. The agricultural technology promotion system shall be responsible for the soil testing, formulation, and the core of fertilization guidance, and establish a technology promotion platform; the soil testing and fertilization test station, fertilizer production enterprises, fertilizer sellers, etc. shall do well in formula fertilizer production and supply services, and establish a good production And marketing mechanisms; scientific research and teaching units should focus on solving restrictive techniques or problems, and constantly improve and improve soil testing and fertilizer application techniques. The second is the misunderstanding of the relationship between soil testing and fertilizer field trials. Experts suggest that soil testing and formula fertilization is not just a result of laboratory analysis. It is a simple process to “pick up medicine†by opening a prescription. Fertilizer field trials of different crops are the most direct and effective methods for understanding the effects of fertilizer application, crop growth status, and nutrient absorption processes and results. They are the basis for conducting soil testing and formulating fertilization and are the primary basis for formulating crop fertilization plans and proposals. It is a precondition for the establishment of crop fertilization zoning and must be given high priority. In addition, soil testing is to select some representative plots within a certain range to determine nutrient content, give crop fertilization schemes, and other similar plots are referenced. It is impossible and unnecessary to determine soil nutrients in each plot. The third is the misunderstanding of soil nutrient rapid measurement. According to expert analysis, soil nutrient test results are a relative value. It is necessary to have matching fertilizer field plots to establish a recommended fertility indicator system. At present, most soil nutrient speed testers have not established a sound recommended fertilization indicator. When there are only one or two soil samples, the soil nutrient tester can express “fastâ€; on the contrary, when the sample quantity reaches a certain batch (more than 3), the “quick test†is compared with the routine test of the laboratory. "Slow measurement". Therefore, when carrying out soil testing and formula fertilization in large areas, conventional soil nutrient testing is the best and most effective means to understand soil nutrients. The popularization of soil velocity measuring instruments should be cautious and should not be configured in large quantities.
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There are three misunderstandings in soil testing and formula fertilization
At present, soil testing and formula fertilization is actively organized throughout the country, but some areas still have some misunderstandings in understanding and carrying out this work. It is considered that this is a simple technical task, the soil can be tested, and a large number of soil speeds can be configured. Instruments, etc., have seriously affected the scientific nature of technology and misled farmers.