The application of soil nutrient analyzer has the following points:
After several years of development, the application areas of soil nutrient analyzers mainly include:
1 Soil testing and fertilizing services at county and township agricultural technology promotion stations 2 Promotion services of fertilizer manufacturers and their distribution units 3 Investigation of soil fertility in soil fertilization departments, guidance of fertilization 4 Formulation of fertility indicators for fertility testing in rural areas 5 Rural grass-roots villages Self-testing service for farms and technology demonstration sites 6 Crops Nutrition diagnosis in hospitals 7 Compound fertilizer manufacturers monitor nutrient content in fertilizers 8 Soil testing and soil fertility determination in scientific research 9 Identification of true and false chemical fertilizers
The typical product of soil nutrient rapid measurement technology is soil testing and formula fertilization instrument. Soil nutrient speed measurement is a faster, lower cost, and simpler test equipment than conventional analytical techniques. The core of soil nutrient testing technology required for soil testing and fertilizer application is to reduce the cost of soil testing. Due to the high cost of routine analysis (typically 30 to 50 yuan per project), our country's field is usually very small. The uneven fertility of fields and the area of ​​soil surveying are often only a few acres. The investment in soil testing often exceeds the output of soil testing. This has become a limiting factor in the promotion of soil testing and fertilizer application in China. Because of this, when fertiliser manufacturers perform agrochemical services, soil testing and investing often exceeds revenue from sales of fertilizers. According to China's land conditions and our practices, it can be assumed that the cost of soil testing must be reduced to 4-5 yuan per project, and soil fertigation should be conducted. There will be internal development momentum, and rapid measurement technology will be produced and developed to adapt to this economic law.
Since rapid measurement is based on the premise of economical satisfaction under the premise of satisfying the test accuracy requirements of a certain application, it is not based on the assumption that the accuracy of the technical premise is as high as possible. The accuracy of the test and evaluation must be based on routine analysis and therefore it does not have It is impossible to have judge authority, which limits its application. Because speed measurement is a kind of technology developed in recent years, it also has time to establish its own complete fertility indicators and technical data system. In some cases, the data obtained from rapid test must be converted into routine data, using routine analysis. The technical indicators and data systems guide fertilization. This is also a constraint factor in the promotion of speed-side technology.
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