How to grow Polygonatum

First of all, select the moist and shady plots, turn deeply, apply basic fertilizer and make beds before sowing. Then, choose the appropriate time to sow, you can take the rhizome sowing, you can also take the seed sowing. After sowing, you can do a good job of watering, fertilizing, ploughing, weeding and pest prevention.

I. selection of sites

Choose moist and shady land, and the soil should be loam or sandy loam with loose texture and good water retention. Before sowing, first turn deeply once, combined with land preparation, apply farm manure 2000 kg per mu, turn into the soil as base fertilizer, and then rake fine leveling, make the border, the width of the border is 1.2m.

Second, sowing seeds

If the rhizome is adopted for sowing, the seeds can be sown in late autumn or early spring around the end of March. Select the 1-2-year-old plant rhizome, which is disease-free and pest-free, select the tender part of the tip, cut it into several segments, each section has 3-4 nodes, and the wound is slightly dried. Plant according to row spacing 22-24 cm, plant spacing 10-16 cm, depth 5 cm, slightly suppress and water after covering the soil. Water the soil every 3-5 days to keep the soil moist.

If the seed is sown, it can be sown in late March. According to the row spacing of 12-15 cm evenly spread to the shallow ditch of the border surface, cover soil about 1.5 cm, slightly pressure, watering, cover a layer of grass. Remove the cover grass before emergence, when the seedling height is 6-9 cm, the seedlings can be properly planted in the dense place, and transplant after 1 year.

III. Management

1. Weeding in middle ploughing: weeding should be done frequently, once a year in April, June, September and November, shallow hoe and proper soil cultivation should be carried out, and weeds can be pulled in the later stage.

2. Fertilization: after the first three times of intertillage, 1500 kg of soil miscellaneous fertilizer per mu, 50 kg of superphosphate and 50 kg of cake fertilizer were applied every year, and then ditched and fertilized between rows, and then covered with soil and fertilizer.

3. Watering: timely watering in case of drought or planting in more sunny and dry places, pay attention to drainage in rainy season.

4. Light: Huang Jing likes shade and can be planted under forests, bushes or shady hillsides, or intercropping corn.

5. Pest control: diseases include leaf spot and black spot, and insect pests include grubs. Leaf spot can be controlled with 65% Dysen zinc wettable powder, black spot can be sprayed with 100 Bordeaux, and grub can be controlled with 1000 times of trichlorfon.