Cultivation techniques of cut rose for export
1. Soil management
In order to obtain the high quality, high yield and high benefit of exported cut rose, it is necessary to improve the soil before planting and keep the soil with good physical and chemical properties during cultivation. Soil improvement is through deep ploughing and applying a large amount of organic matter to improve and maintain the soil permeability and water and fertilizer retention for a long time, and promote the long-term good root growth of cut rose.
2. Cultivation mode and planting density.
The broken branch cultivation method is mostly used in cut rose, and the cultivation method is single-row and double-row cultivation, with plant spacing of 13-15 cm, row spacing of 50-60 cm, and 4500-4800 plants per mu. The planting choice is cloudy and cold weather, which is best in the morning and evening. When planting, plant in a straight line to ensure that the seedlings are straight after planting. When planting, pay attention to the incision of the grafted seedling to the border, the scion of the grafted seedling is 2-3 cm higher than the border surface, prevent the scion from sending out adventitious buds, and the main bud of the cutting seedling is parallel to the soil. Generally from March to September, the slow seedling period of summer planting is short and the survival is fast, while the winter planting slow seedling period is long and the survival is slow.
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Key points of cultivation techniques of cut rose in greenhouse
Cut rose is one of the most important species of fresh cut flowers, with more than 8000 varieties cultivated all over the world. With the development of economy and the improvement of people's living standards, the production of fresh cut rose will have a bright future. Rose belongs to the rose family Qiang Wei genus, spiny shrubs, branches erect leaves alternate, odd-pinnate compound leaves, flowers solitary stem top, petals, double petals, colorful flowers. Monthly like warm, sunny, can not bear high temperature, like loose, fertile, well-drained soil, soil slightly acidic or slightly alkaline can grow normally.
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Winter production of cut rose in northern China
The out-of-season production of rose requires that the flowering period is from September to April of the following year, so there should be both summer control and greenhouse management in winter. You can choose varieties with strong adaptability, such as Velcro, Sabensa and so on. 1, fertilization and density requirements: rose should be fully fertilized before planting, generally 5 square farm manure and 2 chicken manure should be applied in each shed, mix well and turn into the ground and rake flat. Make the border in the north-south direction, the width of the border is 1 meter, and the length is limited to the width of the shed. Two rows can be planted in each row, with a row spacing of 0.4 meters and a plant spacing of 0.3 meters, which is generally suitable for 7 trees per square meter.
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