The main problems currently exist are:
3. Plant protection spraying drone the training and after-sales service are not in place, and the buyer does not dare to fly, and it is regarded as a decoration.
4. Insufficient knowledge of special medicines, and individuals blindly blending medicines are prone to problems such as excessive pesticide residues and poor pest control effect.
5. The market demand is large, the entry threshold is not high, and the level of specialization is difficult to improve.
