Understanding the soil nutrient status is the basis for scientific fertilization. Previously, the main method for soil nutrient testing was routine laboratory analysis. This method is suitable for large-scale sample analysis that conducts large-scale nutrient investigations and recommended fertilization, and lack of experiments in grass-roots rural areas. Room conditions, laboratory analysis methods cannot be used, so the soil nutrient fastness tester was developed on the basis of the needs of grassroots rural soil testing. It can diagnose a small amount of soil samples and can be detected online and at any time.
Soil nutrient rapid measurement refers to rapid and convenient testing techniques and methods, which are relative to conventional analysis. In terms of test speed alone, automated analysis technology based on conventional analysis has the fastest test speed, and the shortest test cycle required for sample processing and laboratory analysis is a rapid test in a broad sense, representing the direction of test technology development. It has been widely used in the West with advanced technologies, sample collection, transportation, and information feedback systems. It is suitable for testing and mobile service in the field and in the field. It is simple and convenient to use, which is commonly referred to as portable soil nutrient fast measurement technology.
Portable soil nutrient fast testing requirements in the grass-roots villages and even outdoors open field, field head, relatively poor environmental conditions, so there are high requirements in the following areas: field field measurement, equipment, reagents, drugs, high integration, easy to carry; fresh Sample measurement, the sample does not require air drying, grinding process; test speed, low cost; simple operation, easy to grasp; test accuracy to meet the basic requirements of nutritional diagnosis, recommended fertilization.
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