Celery anti-season facility cultivation technology
Conventional cultivation of celery is generally to be sown in June and will be available in November. If the anti-season facilities are used for cultivation, not only the economic benefits will increase, but also the low-season vegetable varieties will be cultivated. The cultivation techniques of 5,000 kilograms per mu of summer celery are introduced as follows: 1. Selection of varieties: The varieties of summer celery are mainly based on early-ripening yellow core celery which is resistant to high temperature and drought.
Second, the seed treatment: summer celery seeds soaked at room temperature for 12-24 hours, picked up with the water to wash, remove the epidermis, dry and then placed in the cold place to germination (hanging in the well 33-66cm from the water surface, or put the refrigerator in the refrigerator ) 2-4 days, when the germination rate reaches about 80%, sow.
Third, timely sowing and cultivating strong seedlings: sowing is suitable from early May to early June. The sunshade net was covered with a scaffolding to cool down the day before planting. The amount of soil used is 300-350%, and the sandy soil is watered after sowing. In case of rain, it is necessary to cover the desert in time. In the case of drought during the emergence of the seedlings, each time in the morning and evening. Keep the soil moist after emergence, and combine the herbicide seedlings 2~3 times to lay a good foundation for the healthy growth of the seedlings.
Fourth, scientific management: Xia Qincai seedlings transplanted from the middle of June to the beginning of July. The hole distance is 11.511.5cm, 3-4 strains per hole. Root water is poured with the roots. Cover with a small arch awning net for about 7 days. After the survival, the sunshade net was removed, and the water was poured into the water to promote the tree. After 5 days, the sunshade net was used to reduce the light to the harvesting period. The sunshade net should be covered with a sunny day and covered in the evening, and the rainy day should be covered in time.
5. Rational use of fertilizer (1) Apply sufficient base fertilizer. When ploughing the land, 50% of the 50% decomposed chicken manure is applied, or 2000 kg of cake fertilizer, or 80 kg of green high-efficiency organic fertilizer, and 5000 kg of soil compost is used as the base fertilizer. If there is no soil fertilizer, you can also apply 90 kg of imported compound fertilizer (n: p2o5: k2o = 15:15:15). (2) Diligent application of seedling fertilizer. In the seedling stage, the seedling fertilizer is applied 2-3 times, and 10% of the 10% clear manure water is used. (3) Applying topdressing. In the middle and late period, use 20%~30% clear manure water 1000~1500kg plus 05% urea solution or 03% compound fertilizer or use foliar fertilizer Fenwei 2nd 1000 times liquid spray and combine watering every 7~10 Sprinkle water once a day. To prevent cracking of the petiole, spray with 2% or 2 times of 02%~0.3% boron fertilizer. 30 to 40 days before harvest, use "92" Lg per acre to dissolve with water, then spray 35~50 kg of water and spray twice.
6. Pest Control: In order to minimize environmental pollution, it is necessary to use high-efficiency, low-residue and low-residue pesticides for pest control. The main diseases of summer celery are spot blight and leaf blight, with 700% chlorothalonil 700 times solution or 70% sensitized zinc 600 times solution or 77% can kill 700 times liquid spray. The main insect pests of summer celery are aphids and red spiders. The mites are treated with 10% of the net 3,000 times solution, or 20% of the cockroach 1000 times solution or 1% of the insecticide. The above pesticide amounts are determined according to the size of the celery.
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