Seed propagation: in late autumn or the following spring, take out the seeds for sowing. Drilling is adopted, and the ditch is ditched according to the row spacing of 20cm. The seeds are scattered in the ditch, and the soil is covered to see the seeds.
field management
1. Shade: Plant seedlings like shade. After cuttings, they should be properly shaded or other economic crops should be interplanted for shade to promote the growth of seedlings.
2. Intertillage and weeding: Weeds are removed frequently in early spring. The soil is easy to harden after rain, so it is advisable to loosen the soil frequently to facilitate plant growth.
3. Drainage and irrigation: keep the field moist often, which is beneficial to the survival of the plants. After the survival, water less, especially in the rainy season, drainage work should be done to prevent impregnation and rot.
4. Fertilization: Before flowering, 2500kg of dilute human manure and superphosphate solution should be applied per mu. In the spring of the following year, trenches should be opened between the rows, and 1500kg of soil and miscellaneous fertilizers or 20-30kg of superphosphate and 10-15kg of sulfuric acid should be topdressed per mu. Ammonium.
5. Set up brackets: When the height of the seedlings is 30cm, brackets should be set up to facilitate the growth of stems and vines.
