What are the environmental conditions suitable for the growth of Panax notoginseng
1. Temperature: temperature is the main factor affecting the normal growth and development of Panax notoginseng. It requires warm winter and cold summer, small temperature difference in four seasons, and the annual average temperature is 18-19 ℃.
2. Moisture: the growth and development of Panax notoginseng needs a humid environment, afraid of drought and waterlogging, the soil moisture is generally maintained at 25%-30%, and the air relative humidity is 70%-80%.
3. Lighting: Panax notoginseng is a negative plant, sensitive to light, avoid direct light, and the growth and development requires a cool environment with weak sunshine. Therefore, cultivation requires a shade shed, and the degree of gloom is 40% 60% in spring and autumn and 60% 70% in summer.
4. Soil: Panax notoginseng is suitable to grow in loose and deep soil, and the sandy loam with more humus is better, and the pH is 5.5-7.0.
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Teng Sanqi
1. How to identify Panax notoginseng? Panax notoginseng is also known as sunflower, sunflower potato, rattan panax notoginseng, Sichuan ginseng and so on. It is a perennial vine plant of the genus Abelmoschus, which is cultivated in Yunnan, Sichuan, Hubei, Taiwan and other provinces of China, and feeds on buds and leaves. Panax notoginseng is a fleshy vine with round stems and green stems. It becomes brown after growing up, and adventitious roots are easy to occur in internodes. Leaves alternate, fleshy, heart-shaped, smooth and glabrous, with short stalks, similar to white sunflower (that is, Auricularia auricula) in appearance, and different from sunflower in
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What is the grading standard of Panax notoginseng seeds?
First-class seeds: 1000 seeds are more than 105 grams, water content is less than 60%, vitality is more than 85%, purity is more than 98%. Second-class seeds: 1000 seeds weigh between 100g and 105g, water content is more than 60%, vitality is more than 80%, purity is more than 97%. Third-grade seeds: 1000 seeds weigh between 9500g and 100g, water content is more than 60%, vitality is more than 75%, and purity is more than 90%. Panax notoginseng seeds laterally flattened or triangular-ovate, seeds 5-7 mm long, 4-6 mm in diameter, yellowish white
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