Shanghai Huang Xinqin
Characteristics: the leaf cluster is erect, the plant height is 60-65 cm, the spreading degree is 16-20 cm, the leaf is double odd-pinnate, each leaf has 2-3 pairs of leaflets, the leaflets are nearly round, and the leaves are dark green. The petiole is long and thick, light green, yellow-white after softening, less fiber, strong fragrance and high yield. It is more hardy and bolts late in spring, so it is suitable for cultivation in late autumn, winter and spring. Key points of cultivation: sowing seedlings in spring from mid-February to mid-March; sowing seedlings in summer cultivation in June; early autumn cultivation in early July-early August shading seedlings; late autumn cultivation in mid-August seedlings; winter cultivation in late August to early September seedlings. The seedling age is about 45 days.
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Physiological diseases of garlic bolts: carbon dioxide toxicity
In the later stage, the carbon dioxide content of garlic bolts packaged in thin film bags is too high, which often leads to poisoning, showing yellow spots on the stalks, gradually sinking, connection, tissue necrosis, water-stained rot, and finally garlic bolting broken strips, sometimes bolting bud necrosis, giving off alcohol smell, accompanied by stench. Seriously, the whole bag of garlic vines rotted away, which has become an important disease in the storage of garlic bolts. Garlic bolts controlled atmosphere storage, general carbon dioxide should not exceed 5%, should be regular ventilation, later carbon dioxide more than 13% will be poisoned.
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How to prevent one-headed garlic
1. Cultivate the land immediately after harvest of autumn garlic, till the depth of more than 28 cm, intensively rake and level the ridge. The width of the ridge is 1.5~2 meters, and the length of the ridge is generally not more than 30 meters. For the convenience of watering, it is better to 20~25 meters. Garlic is a shallow root crop with shallow root system and weak absorption fertility. It has high requirements for base fertilizer quality. It is necessary to select full-effect and high-quality organic fertilizer and apply it fully at one time. Dung bogey with raw dung, before application to fully decomposed, mashed down evenly, in case of fermentation in the field, causing garlic maggot damage, affecting the growth and development of seedlings.
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