Top dressing of Glehnia littoralis: Top dressing for 3 times in the growing period. For the first time, after the seedlings are fully grown, dilute human and animal manure water 1500 kg is applied every 667 m2 to promote the healthy growth of seedlings; The second time, after the seedlings are fixed, 2000 ~ 2500kg； of decomposed human and animal manure is applied every 667 m2; The third time was in the growth period of underground root expansion in July.

After the combination, 2000 kg of decomposed manure or compost is applied every 667 m2, 30 kg of calcium superphosphate and 50 kg of fermented cake fertilizer solution are added; Mix the fertilizers evenly, and furrow between rows for fertilization. After application, raise furrow soil to cover fertilizer, water and moisten it to promote root growth.