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  • How to prevent early bolting in Angelica sinensis? Detailed control methods

    Angelica sinensis is native to high-cold mountain areas and is a low-temperature long-day plant. During its individual development, the transition from vegetative growth to reproductive growth requires passing through two developmental stages: the vernalization stage (requiring a low temperature of 0-5°C) and the photoperiod stage (requiring a long-day photoperiod of more than 12 hours). Therefore, artificial cultivation requires growing seedlings in the first year (raising seedlings), harvesting the roots for medicinal use in the second year, and collecting seeds from bolting, flowering and fruiting in the third year. However, in production practice, Angelica sinensis often bolts and flowers abundantly during June-July of the second year of cultivation, with the bolting rate in normal years ranging from 10-30%

  • Key Points of High-Yield Cultivation Techniques for American Boltless Garlic

    In 1998, Dawangzhuang Village, Yaogezhuang Town, Gaomi City, together with Weifang Changjiang Agricultural Products Development Co., Ltd., jointly introduced American boltless garlic and conducted high-yield and high-quality cultivation trials. Through 4a of production practice, they worked out a set of high-yield and high-quality cultivation techniques suited to this variety. I. Characteristics and traits American boltless garlic does not bolt, or the bolt is extremely thin and weak. Plant height is 68.4cm, stem diameter 1.8cm, leaf length 47.2cm, leaf width 3.9cm, and total leaf number 11. The bulb has a total of 15 cloves and belongs to

  • Cultivation Technical Points for the Dual-Purpose Bolt and Bulb Garlic Variety Fengsuan No. 1

    Fengsuan No. 1 garlic has characteristics such as early maturity, cold tolerance, disease resistance, early bolting, large bulbs, high yield and good quality. It is a dual-purpose bolt and bulb garlic variety for autumn cultivation in the Huang-Huai River basin. The variety has a whole growth period of 215 days, with 12-14 leaves, and 6-7 leaves at overwintering; plant height 60-70 cm, pseudostem height 25 cm, diameter 1.5-2 cm; garlic bolt length 60-80 cm, red bracts, single bolt weight 23-30 g, easy bolting, crisp and tender texture with good flavor; garlic bulb skin with slight purple stripes, transverse diameter 5.3-7.2 cm,

  • Detailed Explanation of High-Yield Cultivation Techniques for American Boltless Garlic

    In 1998, Dawangzhuang Village, Yaogezhuang Town, Gaomi City, together with Weifang Changjiang Agricultural Products Development Co., Ltd., jointly introduced American boltless garlic and conducted high-yield, high-quality cultivation trials. Through 4a of production practice, they developed a set of high-yield, high-quality cultivation techniques suited to this variety. I. Characteristics: American boltless garlic does not bolt, or the bolt is extremely thin and weak. Plant height is 68.4cm, stem diameter 1.8cm, leaf length 47.2cm, leaf width 3.9cm, with a total of 11 leaves. The bulb has a total of 15 cloves and belongs to

  • Detailed Explanation of Key Points for High-Yield Cultivation Techniques of Bolting Garlic

    Bolting garlic is grown for the purpose of producing garlic scapes and garlic bulbs as vegetables, and it holds relatively high value in vegetable cultivation. Its high-yield cultivation techniques are described as follows: 1. Land preparation and fertilization: Bolting garlic is suitable for planting in loose, fertile sandy loam or loose-textured plots. During land preparation, deep plowing and fine harrowing should be carried out to achieve depth, fineness, thoroughness, firmness and levelness. Garlic has a high fertilizer demand, and heavy fertilization is the foundation for high yield. Generally, per 667 sq m (1 mu), apply 4000-5000 kg of fully decomposed organic fertilizer, 50 kg of diammonium phosphate, 30 kg of potassium sulfate, 3 kg of iron fertilizer,

  • Key Points of Cultivation Techniques and Detailed Management Methods for Bolt Garlic

    I. Land preparation and fertilization: Bolt garlic is suitable for planting in loose, fertile soil. When preparing the land, plow deep and harrow fine. Apply 4000-5000 kg of fully decomposed barnyard manure, 50 kg of diammonium phosphate, 30 kg of potassium sulfate, 3 kg of iron fertilizer, 2 kg of zinc fertilizer and 2 kg of boron fertilizer per 667 sq m (1 mu). Apply them together with the plowing and turning of the land. II. Variety selection: Choose Cangshan garlic, which is dual-purpose for bolts and bulbs, vigorous in growth, highly adaptable, cold-resistant, high-yielding and good in commercial quality, as the cultivar. Select cloves that are large, white, sterile and undamaged

  • Why does lettuce bolt? Causes and control methods

    Causes of lettuce bolting and control methods