1, selection of land preparation
Select high terrain, ventilation and cool, convenient drainage and irrigation plots. After the harvest of the previous crop, every 667 square meters (1 acre) of rotted high-quality circle fertilizer 5000 kg, the whole ground for the border.
2, sowing seedlings
Before sowing, watering 1 time, after the water seeped down, sprinkle 1 layer of fine soil, and then evenly spread the seeds. The amount of seed sown is about 4 grams per square meter. Immediately after sowing, mulch 1 cm, to prevent mole crickets damage, bed spray 1200 times phoxim. Then cover 1 layer of mulch or black film to maintain the humidity of the border.
3, planting
Select the seedling age of about 40 days, 6-8 true leaves strong seedlings, in the cloudy or sunny evening for planting, row spacing 55 cm, plant spacing 35-40 cm, mu planting 3000-3500 plants.
4, field management
Cultivation of planting after slowing down the seedlings, generally small water irrigation, water with the application of urea 15 kg or so. With the rising temperatures, into the rosette late bag heart pre, increase fertilizer, rosette end of the appropriate control of watering, timely plowing and weeding. Attention to drainage after rain.
5, disease and insect pest control
Kale disease is less, mainly aphids and cabbage greenfly. Aphids: can be utilized to prevent and control by spraying 50% Mephistopheles emulsion 1000 times, cabbage greenfly: can be used to prevent and control by spraying 20% Permethrin emulsion 2,000-3,000 times.
Extended information
Collard greens growth habit:
1, collard greens like mild moist, sufficient light.
2, more cold hardy, also has the ability to adapt to high temperature. Growing temperature 15-20 ℃. Fleshy stem expansion period, such as more than 30 ℃ high temperature fleshy easy to fibrosis.
3, the choice of soil is not very strict, but should be planted in humus-rich clay loam or sandy loam.
4, kale seedlings must be 0-10 ℃ through the vernalization, and then in the long sunshine and moderate temperatures under the draw, flowering, fruit.
Distribution: Native to the Mediterranean coast, now commonly cultivated in China.
Baidu Encyclopedia - Kale
Baidu Encyclopedia - Kale