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Parsley and management technology
Parsley is a kind of celery. It is also known as artichoke and parsley. It is famous for its aromatic volatile oil. Its color is green and rich in flavor. Parsley is similar to celery and has similar characteristics. It is a famous vegetable variety containing vitamin A1, vitamin B1 and B2, which are higher than celery.
Growth habits
The genus Oleaceae is a biennial dwarf vegetable with leaves as roots, green leaves, long petioles, many rims, and some of which are cocked. Parsley is cold, cold-resistant, and has a suitable temperature of 15-20 °C. When the temperature exceeds 25 °C, the plant grows poorly, is susceptible to infection, and can withstand low temperatures of -3 to -4 °C. The adaptability of seedlings to temperature is greater than that of adult plants. The root of the parsley is shallow and the absorption capacity is weak. Therefore, the soil is required to remain loose and moist, so that the moisture is fully supplied.
Cultivation Management
Sowing seedlings and parsley can be cultivated in spring and autumn. Spring is generally in late March, and in autumn in mid-July, two methods of direct seeding or seedling transplanting can be used. The amount of seed used per mu is about 1000 grams per mu, and the seedlings for transplanting seedlings are about 200 grams per mu. After sowing, the water can be covered with corn stalks or shade nets. The seedlings can be removed within 10-15 days. After the emergence, the cover is removed, and then the seedlings are removed 2-3 times, and finally the row spacing is 10X10 cm. When the seedlings are transplanted, they can be colonized when the seedlings grow to 3 to 4 true leaves.
Fertilizer management of parsley has a large demand for nitrogen fertilizer throughout the growing season, followed by phosphate fertilizer and potassium fertilizer. In the preparation of the ground, the base fertilizer should be applied. The base fertilizer is mainly composed of high-quality farmyard manure, combined with diammonium or ternary compound fertilizer, and then intensively cultivated. In the field management, combined with watering, urea 3 - 4 times and decomposed human excrement 4-5 times, the two are applied alternately, in order to avoid root injury, the general top dressing is not carried out. Carnation is sensitive to boron, and boron deficiency is likely to cause cracking of the petiole base. Therefore, it is necessary to apply boron fertilizer 3-5 times in the whole growth period of the parsley.
The harvested parsley can be harvested at one time or harvested in stages. When the carcass body reaches the commercial trait, it can be harvested at the right time. Staged harvesting can draw 15-20 cm long outer leaves from the base, and retain the heart leaves to continue to grow, so that the growth and harvest period of parsley can be extended to increase yield and economic benefits.
Pest Control Peach has a special odor and relatively few pests and diseases. The main pests are caused by aphids, and can be controlled by 50% anti-Pu Wei or 蚜 蚜 fog WP 2000--2500 times. The common disease is early blight, also known as spot disease. When it is used for prevention, 70% mancozeb or methyl thiophanate 400--600 times solution, or 50% chlorhexidine WP can be used.
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