First, seed treatment
Coriander seed germination is difficult under high temperature conditions. Before cultivation, use 1% carbendazim WP 300 times solution to soak for half an hour, remove and wash, then soak in clean cold water for about 20 hours, and then germination at 20-25°C. After farming.
Second, the soil fertigation
Select a land that is convenient for irrigation and drainage, loose and fertile soil, and plunge 20-25 cm in depth immediately after the harvest of the previous crop. Let it dry for 15 days. In order to facilitate the use of shade nets, deep trenches with a width of 120 cm, a height of 20 cm and a groove width of 30 cm were made. Coriander grows for a short period of time, combined with site preparation, and uses 3,500 kilograms of excrement and 150 kilograms of cake fertilizer and 50 kilograms of calcium, magnesium, phosphate fertilizer per acre to make basal fertilizer.
Third, the order of cultivation
Anti-season cultivation of parsley in summer and autumn, generally in mid-May to early July, the amount of 1 kg per acre, both to obtain higher output value, but also to obtain higher prices. In the case of suitable soil moisture, cover 1-2 cm after spreading evenly. Covering the grass, protecting the soil and keeping the seedlings green, it will be removed after 5-7 days, during which time the soil moisture will be maintained.
Fourth, field management
As summer and autumn get higher, it will affect the growth of parsley. Therefore, after the grasshopper has been removed, it will be covered with a shade net in time. The sunshade net should adopt the method of daytime cover and night exposing, strengthen ventilation, prevent seedlings from growing thin and cause diseases. Since parsley is short-lived, weeding, early seedlings, and early recovery of fast-acting nitrogen fertilizers are recommended.
Generally, the seedlings should be planted about 7 days after the seedlings, and 2 true leaves should be seedlings, and the seedlings should be 2-3 cm apart. The water is usually poured about once every 8 days. When the seedling height is 3 cm, the top dressing is started. The top dressing of urea is 10-15 kg and the boron fertilizer is 250 g per mu. In the future, the combined application of carbon ammonia or urea during the sprinkling period will be 2-4 times, and the appropriate amount of potassium dihydrogen phosphate should be added during the late application of leaf fertilizer to promote leaf growth.
V. Pest control
Non-polluted parsley pests should be based on prevention and treatment, supplemented by the principle of governance, combined with a variety of prevention and control methods, the pests and diseases to a minimum extent.
1. Agricultural control is based on species with strong disease resistance, and rotation is carried out to prevent rotation. Timely eradicate diseased leaves in the field and reduce the chance of infection. Strengthen the management of fertilizer and water and improve the disease resistance of plants.
2. Physical and biological control applications such as frequency vibration type insecticidal lamp, sex attractant, Bt powder and other physical control skills.
3. Chemical control diseases mainly include seedling stage damping-off disease, adult stage virus disease, anthrax and spot blight. Five days after emergence, the non-pollution disinfectant was sprayed with 3% oxygenated 800 times liquid for one time. In the future, every 7 days, the oxygen was sprayed 600 times for one time, and sprayed 2-3 times in total to prevent the occurrence of damping off. Anthracnose and spot blight. For the prevention and treatment of viral diseases, insect nets can be used to prevent locusts from flying in; shading can be used to prevent high-temperature and drought conditions and reduce the incidence of worms; and with 20% imidacloprid WP, ​​20 grams of water and 50 kilos of foliar spray to completely control locusts. Prevent the onset of viral diseases. Liriomyza was sprayed with 1% avermectin 1500 times. Http://Content/dbb30a2e-bd73-4a46-81ae-197647a2c5fb?cType=2
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