How to effectively control pests in Codonopsis pilosula cultivation?

        The main underground pests harming Codonopsis pilosula are white grubs, cutworms and mole crickets; the above-ground pest is the red spider mite.         Underground pest control methods: use poisoned soil and poisoned bait to trap and kill them. Poisoned soil preparation: use 0.5-1.5 kg of 35% endosulfan per mu, 15 kg of soil, mix and spread around the seedling roots; poisoned bait preparation: use 1 kg of roasted fragrant cake powder per mu, add 35 g of trichlorfon, mix well with water, and scatter it on the bed surface, beside the beds, in the furrows or on the ridges.         Above-ground pest control method: the above-ground pest of Codonopsis pilosula is the red spider mite, which generally occurs in July and can be killed by spraying with a 1000-1500 times dilution of 40% dimethoate emulsion.