1. Packed in laminated woven bags or plastic woven bags lined with polyethylene inner bags. The net content of each bag is 25kg or 40kg.

2. The organic fertilizer packaging bag should be marked with: product name, trademark, organic matter content, total nutrient content, net content, registration certificate number, company name, and factory address.

3. Organic fertilizers should be stored in a dry and ventilated place, and should be protected from moisture, sun and cracking during transportation.

Substances containing carbon sources can be used as organic fertilizers, including cake fertilizer, compost, biogas fertilizer, bacterial fertilizer, etc.