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The varieties used in spring cultivation are Swiss snowball, French cauliflower, Holland spring early, Yeerfu and other varieties. Baifeng, XiaXue 40 and XiaXue 50 varieties are selected for summer cultivation, and Dutch snowballs, Japanese snow mountains and other varieties are selected for fall and winter plants. .
The bed soil was selected to be the sandy soil land near the water source, high ground, ventilation, and the cruciferous vegetables, such as Brassica oleracea. Take fertile pastoral soil 6 pieces, sieved compost 4 pieces evenly mixed and spread 5 cm thick on the seedbed. Per square meter of bed with quintozen benzene and dexamethasone 5 kilograms mixed fine soil 15 kilograms formulated into medicinal soil.
Immersion seed germination seed will be placed in warm water 30 ~ 40 °C soak for 15 minutes, remove and soak in cold water for 5 hours, and then wash with water, remove and leave moisturizing germination at 25 °C temperature conditions. Every 6 hours, wash with warm water at 25°C once, and turn the seeds up and down so that the temperature and humidity are uniform. Generally, the buds can be budded in 2 to 3 days.
Fine seedbed seedbeds poured sole water, sowing 10 grams of soil per square meter seedbed sowing 10 grams. Five kilograms of medicine soil per square meter of seedbed after sowing, 0.5 centimeters thick fine soil, and finally covered with plastic film moisture.
Seedlings managed to keep bed soil wet after emergence. After the appearance of the first true leaf, it was watered 2 times a day, with little or no watering in the rainy days. 1 to 3 leaves during the seedlings, weeding, leaving 1 seedling per pod. Fertilization is applied as appropriate during the growth period. After each time the seedlings are weeded, 0.2% to 0.3% urea solution or 10% diluted human urine is applied in combination with watering. The seedling age is about 20 days. When the vegetable seedlings are in the 3 to 4 leaf stage, they are selected for cloudy days or sunny evenings. The plant spacing is 8 to 10 cm. After easing the seedlings, a thin fertilizer and water is poured. After 15 to 20 days, the seedlings are planted at 6 to 7 leaf stages.
Strong seedlings are standard seedling ages, spring seedlings are about 50 days, and summer seedlings are about 25 days. Seedling height is about 15 centimeters, there are 5 to 6 true leaves, dark green leaves, slightly waxy, large and hypertrophic leaves, short internodes, short petiole, developed roots, fibrous roots, no pests and mechanical damage.
operation.
Cauliflower breeding technology
Cauliflower warm and humid environment, but also resistant to low temperature, spring, summer, autumn open field can be cultivated. Spring flowers are selected from early-maturing varieties in March-April, and planted in May; summer flowers are raised in June-July, and planted in July-August (must have sun and rain protection facilities); autumn and mid-late-maturing varieties are selected In July, seedlings were planted at the beginning of August, and winter plantings were planted 15 days later than autumn cauliflower.