2.4. Pelletization of SBE-based bio organic fertilizer
The SBE-based bio organic fertilizer (bio materials) was pelletized via a modified pelletizer involving steps such as feeding, pelletizing, and separation, drying and packing. The bio materials were fed manually to the pelletizer which was equipped with dies of 2 sizes (4 and 6 mm) rotated by a belt system. The pelletizing process was conducted at an ambient temperature to