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Detailed Explanation of Key Cultivation Techniques for African Roselle (Red Peach K)

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"Red Peach K", whose proper name is roselle (Hibiscus sabdariffa), is a plant of the genus Hibiscus in the Malvaceae family, native to Africa. "Red Peach K" has been introduced and cultivated in China, with a fruit yield per plant reaching as high as 5 kg, a yield per mu (1 mu = 667 sq m, the same below) exceeding 3000 kg, and an output value per mu reaching over 30,000 yuan. The "Red Peach K" fruit is actually the calyx of roselle. The calyx and bracteoles are used to make fruit pulp, beverages, extract pigments, etc. "Red Peach K" also has pharmacological functions such as lowering blood pressure, quenching thirst, promoting bile secretion, aiding digestion and enriching the blood. After several years of cultivation practice, we have explored

"Red Peach K", whose proper name is roselle (Hibiscus sabdariffa), is a plant of the genus Hibiscus in the Malvaceae family, native to Africa. "Red Peach K" has been introduced and cultivated in China, with a fruit yield per plant reaching as high as 5 kg, a yield per mu (1 mu = 667 sq m, the same below) exceeding 3000 kg, and an output value per mu reaching over 30,000 yuan. The "Red Peach K" fruit is actually the calyx of roselle. The calyx and bracteoles are used to make fruit pulp, beverages, extract pigments, etc. "Red Peach K" also has pharmacological functions such as lowering blood pressure, quenching thirst, promoting bile secretion, aiding digestion and enriching the blood. After several years of cultivation practice, a set of effective cultivation techniques has been explored.

1. Site selection "Red Peach K" is drought-tolerant, not waterlogging-tolerant, and highly light-demanding. It can be planted on mountainous land, hills and flat land. It is advisable to choose a plot facing south with fertile soil, deep soil layer, loose texture, good drainage and sufficient sunlight for planting.

2. Seedling planting "Red Peach K" seedlings must be planted in a plot with high and dry terrain. Before planting, generally apply 500-600 kg of decomposed organic fertilizer and 50-60 kg of nitrogen, phosphorus and potassium compound fertilizer per mu, and deep-plow the soil to 30 cm. After the land is leveled, plant with a row spacing and plant spacing of about 100 cm each, planting about 667 plants per mu. The suitable planting time is from late April to early May, and harvest and utilization begin in early November.

3. Fertilizer and water management "Red Peach K" has a well-developed root system and requires more nutrients. Fertilization should be mainly organic fertilizer, with base fertilizer accounting for 70% of the total annual fertilization amount. Topdressing is mainly concentrated in three stages: first, after the seedlings are planted, apply a topdressing of mainly nitrogen fertilizer to promote greening; second, after pinching, apply a heavy application of nitrogen, phosphorus and potassium fertilizer as a branching fertilizer; third, after bolting, apply a topdressing of mainly phosphorus and potassium fertilizer to promote flowering and fruit retention.

4. Pinching and pruning After "Red Peach K" plants have been planted for 40 days, when new shoots sprout from the lower leaf axils, pinching should be carried out to promote vigorous growth of branches at the lower nodes. When the branches reach 10 cm in length, timely pruning is needed to promote the development of flowering branches and increase the fruit retention rate.

5. Timely harvesting When the fruit maturity rate of the fruiting branches of "Red Peach K" reaches 10%, harvesting can be carried out in batches according to market demand, which helps improve fruit quality and the plant's fruit yield, and increases economic benefits.

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