Kale is what is commonly referred to as cabbage, and the part that is eaten is mainly the leaves, the young stems are also edible, kale is a leafy vegetable. Kale is also called cabbage, cabbage, lotus white, big head cabbage, cabbage, cabbage, cabbage, cabbage, cabbage, cabbage, cabbage, lotus cabbage, wrinkled leaf kale and so on.
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Kale is a plant of the Cruciferae family, Brassicaceae.
A biennial herb, pinkish frosted. Dwarf and stout annual stems are fleshy, unbranched, green or gray-green. Basal leaves numerous, thick, wrapped in layers into globules, oblate, 10-30 cm or more in diameter, creamy white or light green; biennial stems branched, with cauline leaves. Basal and lower cauline leaves oblong-obovate to orbicular, to 30 cm long and wide. Apical part rounded, base narrowed into a very short broadly winged petiole, margin undulate obscurely serrate; upper cauline leaves ovate or oblong-ovate, 8-13.5 cm long, 3.5-7 cm wide, base clasping; uppermost leaves oblong, ca. 4.5 cm long, ca. 1 cm wide, clasping.
Racemes terminal and axillary; flowers yellowish, 2-2.5 cm in diameter; pedicels 7-15 mm long; sepals erect, linear-oblong, 5-7 mm long; petals broadly elliptic-obovate or suborbicular, 13-15 mm long, veins conspicuous, apically emarginate, base abruptly narrowed into a claw, claw 5-7 mm long. Long-horned fruit terete, 6-9 cm long, 4-5 mm wide, slightly compressed on both sides, midvein prominent, beak conical, 6-10 mm long; fruiting pedicels thick, erectly spreading, 2.5-3.5 cm long. Seeds globose, 1.5-2 mm in diam. Fl. April, fr. May.
Kale is not too strict on the soil requirements, sandy loam, loam, clay soil can be cultivated; there is no strict requirements for soil acidity and alkalinity, adaptability is relatively wide. But in order to get high yield, should choose the soil organic matter content is high, deep soil layer, water retention and fertilizer retention of strong light sandy loam or loam, the previous crop is best for non-cruciferous vegetables. In order to achieve high yield and high quality products, cultivation should choose loose and fertile loamy soil, light sandy loam, the previous crop is not a cruciferous field, preferably the previous crop is a grain crop stubble road. Prohibit kale continuous crop.
Water and fertilizer management: for ease of management, every planting is connected to drip irrigation, drip irrigation time should be mastered in about 2 hours. Production should be determined in accordance with the drip irrigation pressurization equipment, in principle, the soil on the ridge should be fully permeable to water, slightly under the ridge water overflow prevail. About 15 days after planting, the 1st fertilizer irrigation, drip irrigation with water balanced water-soluble fertilizer 5 kg / mu. Later appropriate water control squatting seedlings, when the ball leaves began to hold together when the end of squatting, and the second fertilizer irrigation, fertilizer 6 kg / mu. Thereafter, every 10 days 1 time water, in the period of bunting for the 3rd fertilizer, fertilizer amount with the first. Watering should be stopped 10 days before harvest to prevent cracking the ball for harvesting and transportation.
Kale is rich in nutrients such as high-quality protein, fiber, minerals, vitamins and so on, eat kale can supplement nutrition, strong body. As a vegetable and fodder. The concentrated juice of the leaves is used to treat gastric and duodenal ulcers.