1. Broccoli grow strong seedlings
Cultivating strong seedlings is one of the key technologies for high yield and efficient cultivation of broccoli.
(1) Seed setting
Select fertile land with good drainage and irrigation conditions, and arrange nursery beds with a nursery area of ​​40 square meters per 667 square meters. 400 kg of fine rot, 5 kg of compound fertilizer, and 30 grams of carbendazim were used to disinfect and kill soil by deep-rotating and leveling.
(2) selection of varieties
Varieties of green broccoli include Lilv, Tokyo Green, Zhongqing No.1 or Green Wang. White broccoli can be selected from Fujian Wenxing 60 days, 80 days, early snowball or dragon card for 60 days and 80 days.
(3) Determination of sowing date
It can be planted from early June to early July. 667 square meters with 50 grams of species.
(4) sowing
The seedbed is first irrigated with water, and the dried seeds are sown in a straight line. The uniform thickness is 1 cm thick, and shade covers such as shade nets or weeds are used. The seedlings can emerge in 6-7 days.
(5) Seedling management
After the emergence of the shading nets and shadings were revealed, a small arch shed was erected and a shade net was placed. After the cotyledons were unfolded, weeds were used for seedlings and the seedlings were 5-6 cm apart. Seedlings grow 1 true leaf and can pour water once, but they cannot flood with water. After 2 true leaves, combine watering 40 square meters with 500 grams of urea. 5-6 true leaves 5-6 true leaves can be planted. 3 to 5 days before planting, cut into pieces and transplant them with nutrients. This period should also pay attention to the treatment of pests.
2. Cauliflower Fertilization Site Preparation
667 square meters of soil-fertilizer 4-5 tons, ternary compound fertilizer 50 kilograms. Ploughing leveling, according to the width of 1.2 meters wide, the width of 30 cm in diameter for planting.
3. Cauliflower colonization
It is planted in late June-late July. According to the line spacing 5040 cm or so to plant a planting hole, 667 square meters planted about 3,000. Choose strong seedlings, raise the seedlings with the earth, and pour enough water after the planting. Cover the net with a small arch or large shed.
4. Cauliflower field management
(1) Appropriately control the fertilizer and water before planting to the center of the screw, adhere to no drought and no watering, and plough up the soil several times to carry out the seedlings.
(2) Rapid growth after entering the rosette period. We must diligently water to keep the soil moist, and 667 square meters of urea should be traced to 15 kg before budding.
(3) Before the formation of flower bulbs, spray 0.5% urea solution or increase production spirit for foliar dressing 1-2 times.
(4) The beginning of the ball start spraying the 0.2% borax solution 2-3 times. Stop watering before harvesting.
(5) During the growth period, attention should be paid to the control of aphids, cabbage caterpillars, diamondback moth, beet armyworm, Spodoptera litura and downy mildew, and black rot.
5. Cauliflower harvesting
By the end of August and early September, when the top bulbs are fully inflated and the buds have not yet spread out, the lower part of the bulbs will be cut with 10 cm of flower stems and 3-4 young leaves, and the flower bulbs will be cleaned with clean white paper. Packaging into the shipping and sales.
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