Do soil preparation to choose the leeward sunny, deep fertile soil, well-drained sandy soil land as a seedbed. Apply 2000-3000 kg of acre per acre, deep plowing, spraying general tree maintenance and disinfection, reduce the source of pathogens, after the site preparation to do, and 1 meter wide. Seed treatment prickly ash seeds hard, with oily, waxy, impervious, germinating more difficult, degreasing treatment before sowing. Soak the seed in alkaline aqueous solution (1 kg of seeds with 25 g of alkaline powder, add water to submerge the seed for the degree), remove the empty seed, soak for 2 days, then wash off the oil on the seed coat, remove and spray to dry The lipid film is sown 800 times. Drilling can be sowed from the end of autumn to the soil before freezing. Each ditch has 4 to 5 rows, with a ditch depth of 5 cm and a seeding rate of 10 to 12 kg per mu. After sowing, cover 2 to 3 cm thick fine soil cover species, and then spray 800 times the new high-fat film to protect the water evaporation, evaporation, sun protection drought, thermal insulation, anti-freezing, anti-soil compaction, suffocation and isolation of pests and diseases, improve the emergence rate . In the early spring, the spring of the following year will be suppressed at the beginning of spring and the seeds will be closely connected with the soil so as to facilitate seed water absorption and seedling emergence. Take care of the nursery and do not let people trample inside. In the early spring, when drought occurs, it must be watered. A few days after watering, keep it moist and keep it moist.
Anthocyanidins is a kind of water-soluble natural pigments widely existing in plants in nature. They are colored aglycone obtained from the hydrolysis of anthocyanins. Most of the main colorants in fruits, vegetables and flowers are related to them. Under the condition of different PH value of plant cell vacuoles, anthocyanidins make the petals colorful. The main functions about anthocyanidins are antioxidant and free radical scavenging function, nutritional fortifier in food and natural pigment.
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