What are the fertilization techniques for fertilizers produced by flat die granulators?

Fertilizers produced by flat die granulators require specific fertilization techniques to ensure optimal effectiveness and healthy crop growth.

Before Fertilization

1. Understand Crop Needs: Different crops have varying nutrient requirements at different growth stages. Determine the appropriate amount and timing of fertilization based on the crop type, growth stage, and soil fertility.  

2. Choose the Right Fertilizer: Flat die granulators can produce various types of fertilizers, such as organic or compound fertilizers. Select the appropriate type and formula based on soil conditions and crop needs.  

3. Check Fertilizer Quality: Before application, inspect the fertilizer for uniformity, particle strength, and moisture content. Poor quality—such as uneven particles, low strength, or excessive moisture—can affect fertilization results, storage, and transportation.  

During Fertilization

1. Control Application Rate: Fertilizers from flat die granulators typically have high nutrient content. Follow recommended application rates strictly to avoid over- or under-fertilization.

2. Ensure Even Distribution: For uniform crop growth, spread the fertilizer evenly in the soil. Large-scale farming can use machinery like fertilizer spreaders, while small-scale plots may rely on manual broadcasting.  

3. Adjust Application Depth: Fertilizer should be applied to the soil layer where crop roots are concentrated for better absorption. Depth varies by crop and soil type—such as 10–20 cm for grain crops and 30–50 cm for fruit trees.  

After Fertilization  

1. Cover with Soil: After application, cover the fertilizer with 3–5 cm of soil to reduce volatilization and nutrient loss, improving efficiency.  

2. Irrigate Properly: Water the field promptly after fertilization to help dissolve and absorb nutrients, but avoid excessive irrigation that could wash away the fertilizer.  

Mastering these techniques for fertilizers produced by flat die granulators can enhance nutrient utilization, promote healthy crop growth, and increase agricultural yields.