Yellow cauliflower, may not have heard of the South, but certainly heard of its alias: golden needles, forget-me-not. Yellow cauliflower it is not only ornamental, and nutritious, but also has medicinal properties. So, do you know how to plant yellow cauliflower? Follow me into the world of yellow cauliflower~

First, propagation time:

Generally in early spring or late fall before the soil freezes to propagate the planting, in the 8-10 years of high-yield and high-quality period, with the age of the plant to increase the gradual reduction of flower buds, shortening of the picking period, the decline in yield must be replaced, more than ten years of old plant in the After the buds are picked, 1/6-1/5 are dug out each year as seedlings and gradually renewed.

Second, cultivation techniques:

1, sowing seedlings: it is not recommended to use this way, the reason: First, is to lead to the degradation of varieties; Second, is the first two years do not bloom in the fourth year to form a normal yield.

2, planting (root) propagation:

Autumn stem and leaves withered or early spring after the land thawed, pick out the mother plant, the old leaves and old roots to remove, with new shoots of the roots and plants one by one to separate each plant with a new shoots, and then 45-60 cm row spacing, plant spacing of 30-35 cm planting, planting 3-5 plants per hole, the next year can be pumped up to the next year, the next year, the second year, the second year, the first year is not flowering in the fourth year to form a normal yield.

3, land preparation and fertilization: yellow cauliflower root system is developed, to deep tilling and land preparation, before planting the soil deep plowing 20-30 cm, full base fertilizer combined with the preparation of the ground 1 times the applicant.

Third, field management:

1, spring seedling fertilizer: in the spring before the emergence of seedlings with nitrogen, phosphorus, potassium with fertilizer for seedling fertilizer, mu of urea 5-7 kg plus 10 kg of calcium superphosphate;

2, moss fertilizer: in the scape is about to be drawn out but not drawn to the moss drawn but not before branching, mu of urea 10 kg plus 10 kg of calcium superphosphate.

3, bud fertilizer: the middle of June after harvesting urea 1 time, mu applied 5 kg, in addition to soil fertilizer, mu with 3 ｛bf｝ calcium superphosphate leaching solution of 60 kg plus 500 g of urea plus 150 g of potash plus 20 mg / kg of gibberellin foliar spray;

4, the cultivation of the soil: the yellow flowers Lai root system from the shortened section of the bottom up, the hair of root The part moves up year by year, in the fall seedlings withered after the start of soil cultivation. Cultivate the soil should be withered first fall seedlings Qi soil cut off, and in the ground before freezing for completion.

Fourth, pest control:

1, leaf spot disease: the onset of the early use of 50 ｛bf｝ Metribuzin wettable powder 800-1000 times, 75 ｛bf｝ Chlorothalonil wettable powder 600-800 times liquid spray.

2, rust: the early onset of sodium dichlorvos and washing powder to 20:1 ratio of 250-300 times the liquid spray.

3, aphids: use 40｛bf｝Lego emulsion 800-1000 times liquid or 2.5｛bf｝Kung Fu emulsion 4000 times liquid spray. The use of this product is strictly prohibited for half a month before picking.

V. Harvesting and processing:

1, harvesting: yellow cauliflower more than in the evening flowering, the next day at noon withering, the system of drying yellow cauliflower buds full, the color of the body golden, buds waiting to be released, that is, 3-4 hours before the opening of the harvest is appropriate, generally more in the early morning or in the afternoon, each one of the time the harvesting of the appropriate. Rainy days buds grow faster, should be appropriate early picking.

2, drying: yellow cauliflower drying method of steaming: the collection of flower buds in a bamboo drawer heating steam, the drawer can be cease fire after the gas; stewed for about 20 minutes to take out, about 7 points can be cooked, the flowers were yellow, overcooked, color easy to turn black.

3, drying: the steamed cauliflower in the bamboo curtain or reed mat spread out to dry, so that the moisture content down to 16 ¨C bf｝ below, sunny days 1 day can be, and then loaded into the box bag in a cool dry place to store.