Planting method of Platycodon grandiflorum seed

Platycodon grandiflorum seeds can be sown in spring or summer. Soak the seeds in water for about eight hours before sowing, then cover them with wet sacks and wait for them to sprout. After sprouting, spread the seeds evenly in the arranged ditch, cover with fine soil or fire ash, and water and moisturize after sowing in arid areas. During the emergence period, attention should be paid to loosening the soil and weeding, as well as interseedling and replenishment. Then how to manage the Platycodon grandiflorum seeds after they are planted? Let's get to know it with the editor of Tuliu.com.

Field management techniques of Platycodon grandiflorum

1. Raising seedlings

As the emergence of Platycodon grandiflorum seedlings is slow, so cover protection measures should be adopted in production. Among them, plastic film with a width of 2 meters can be used to cover the sown Platycodon grandiflorum field. The surrounding soil is compacted to prevent it from being damaged by the wind; the surface layer of Platycodon grandiflorum field can also be covered with wheat straw, rice straw and other agricultural straw. The specific coverage method is selected according to the actual situation.

two。 Weed

Before and after the Spring Equinox, 50% Acetochlor EC was applied after sowing or transplanting fields as beds and before weeds were unearthed 7-10 days before transplanting. When using herbicides to control weeds, we should combine manual weeding, which can remove weeds that are resistant to herbicides and better ensure the growth of Platycodon grandiflorum.

3. Water and fertilizer

Platycodon grandiflorum not only needs to eat enough base fertilizer before sowing, but also needs three times of topdressing. One is to eat urea in two pairs of true leaves of Platycodon grandiflorum seedlings, the other is to apply urea and potassium dihydrogen phosphate before and after the Beginning of Autumn, and the third is to eat soil fertilizer, urea and potassium dihydrogen phosphate in winter after growing for one year. Fertilizing Platycodon grandiflorum is best combined with irrigation. Platycodon grandiflorum should be drained in time in cloudy and rainy weather and irrigated in time in drought.

4. Pest control

The common diseases in the planting process of Platycodon grandiflorum are root rot, powdery mildew, root nematode disease, anthracnose and so on.

The above is about the planting method of Platycodon grandiflorum and the technical introduction of field management in the later stage. I hope I can help you.