Potassium sulfate-based compound fertilizers offer significant benefits, including high nutrient content, minimal impurities, and excellent physical properties. They play a crucial role in balanced fertilization, improving fertilizer efficiency, and promoting higher crop yields and stable production. However, they also have limitations, such as fixed nutrient ratios that may not suit all soil types or crop requirements. Therefore, it's recommended to conduct soil testing before application to understand the field's soil texture and nutrient levels. Combining this with proper unit fertilizer application can yield better results.
According to GB18382-2001 "Labeling of Chemical Fertilizers: Content and Requirements" issued by the General Administration of Quality Supervision, Inspection and Quarantine, and GB15063-2001 "Complex Fertilizer (Compound Fertilizer)", these are two mandatory national standards that apply to production and distribution processes.
The concentration of potassium sulfate-based compound fertilizers varies significantly. It is essential to choose the appropriate concentration based on specific needs. Most compound fertilizers are formulated according to the average nutrient content of local soils and the general requirements of major crops. On the market, there are high, medium, and low concentration options. Typically, total nutrient concentrations range from 25% to 30% for low concentration, 30% to 40% for medium, and over 40% for high concentration. The choice should be based on regional conditions, soil type, and crop requirements. High-concentration compound fertilizers are often used in commercial crops due to their superior quality, lower residue, and higher nutrient absorption rates.
ATAGO’s potassium sulfate concentration meter, PAL-56S, and potassium chloride concentration meter, PAL-49S, are portable and fast tools designed for measuring the concentration of various compound fertilizers. Utilizing refractive technology, these devices are ideal for process control and quality assessment in fertilizer production. They provide accurate data for agricultural research and development, supporting scientific decision-making. With features to prevent external light interference, these meters can be used anywhere for precise concentration measurements. They display mass percentage (Brix), solid content (SD), or refractive index, making them suitable for measuring potassium sulfate and potassium chloride content. Users are welcome to send samples for testing, and ATAGO offers over 200 application solutions across different products.
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