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First, the requirements of the environment
Parsley is a cold-tolerant vegetable, requiring a cooler and moister growing environment, poor growth under high temperature and drought conditions, proper temperature of germination of about 20°C, minimum temperature of 4°C, maximum temperature of 28°C, optimum temperature of plant growth 15-20°C, 10 °C at night; stem and leaf growth period requires sufficient lighting conditions; weak root absorption capacity, strict requirements for moisture and nutrients, drought tolerance and drought tolerance, suitable for organic matter rich in soil, loam or sandy loam soil with strong water retention and fertility; Nitrogen, phosphorus, potassium, trace elements combined application, easy to crack stems when boron is missing.
Second, species selection
There are four types of parsley: wrinkled leaf, slat leaf, celery leaf, and fern leaf. At present, the type of wrinkled leaf is popular, and there are varieties such as “Pelarma Wentao†and “Zhongliâ€, and the seedling cultivation method uses about 20 grams per acre.
Third, the planting season
At present, parsley is a special dish in the domestic market, which is required for the whole year, and the quantity is not large. Moreover, the product is fresh and intolerant to storage and transportation, and must be planted in small areas to reach the annual supply. The export determines the planting area and season according to the order.
1, autumn and winter cultivation of the need for cultivation in mid-July to July; planting in September; harvested from October to next June.
2. The planting in spring and summer in protected fields needs to be planted from November to December; planting from January to March; harvesting from March to July.
3. Seedlings planted in open fields in the cool regions from February to April; planted in April to June; harvested from June to October.
Fourth, cultivation technology
The parsley seed skin is thick and hard, and contains oil glands, which are difficult to absorb water and germinate slowly and unevenly. Soaking seeds for 12-14 hours, then gently removing the old skin and placing it at 20°C for 4-6 days, Dew after sowing. Plastic seedlings are used to raise seedlings, and peat and vermiculite are used as the substrate. In the winter, heat preservation and cold-proof are adopted, and the sun is cooled and rainproof in summer. There are 5-6 true leaf colonies.
Apply 2500 kg of organic fertilizer and 800 kg of active organic fertilizer per acre. After deep plowing, make a corrugated sorghum 70-80 cm wide, 15 cm above the surface of the ground, store a silver-gray mulch, and plant 2 rows per plant. 20-30 cm, 6000-8000 strains per mu.
After easing the seedlings, the cultivator will be 1-2 times tilled to combine weeding; the seedlings will be watered for 15 days or so, and the soil shall be kept wet in accordance with the principle of pouring in small waters; the seedlings shall be applied after the seedlings are finished, and the fertilizer shall be applied every 15-20 days after harvesting. Once, each acre point Shi special brand vegetable fertilizer 15-20 kg. The leaves were sprayed once every 10 days and sprayed 3-6 times. 0.3% urea and 0.3% potassium dihydrogen phosphate were mixed and sprayed. In the morning and at night, the ventilation and ventilation of the protected area and the temperature at any time will be adjusted. The shade net will be cooled at noon in the summer and the air outlet will be sealed with insect nets. Carbon dioxide fertilization measures are used to increase photosynthesis in the protected areas in spring and autumn.
V. Harvesting
After planting for about 30 days, when it grows to 15 leaves, the outer leaves can be plucked one after another. Each time, 2-4 leaves of old and tender are harvested, so that the heart leaves can continue to grow. The petioles can be gently sheared with scissors, leaving 1 at the base. -2 cm.
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Non-pollution cultivation of parsley
Parsley also known as "French parsley", "Parsley", "Potato", its edible parts are tender stems and leaves, has a special aroma, rich in vitamins, proteins and minerals, especially high levels of selenium , containing 3.89 mg per 100 grams, regular consumption can enhance the body's immunity and prevent the occurrence of cancer. Parsley makes spices, dishes, and seasonings for cooking fish and shrimp. In the past two years, ordinary consumers also served as shabu-shabu, raw food, and soup. As a popular variety exported to Europe, America, Japan and other countries, parsley is one of the special vegetable varieties with high yield in the Beijing suburbs.