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When is the best time to plant broccoli? How to control pests and diseases?

Cauliflower is also known as green cauliflower, leafy stem kale, etc., Cruciferae Aloe Carex genus kale 2-born herbaceous plants, it's like a small flower buds strong swan, nutrient-rich containing vitamins and carotenoids, nutritious into the vegetable vegetables in the vegetables in the cider, but also vegetables in the top of the list, according to the different types of green cauliflower, the law of growth and development, the use of different areas of green cauliflower Spring cultivation, you can extend the The harvest period. China's North China spring, summer and fall 3 seasons can be cultivated in the open ground; in the cold winter, the use of greenhouses, improved sun beds.

The spring cultivation of broccoli should choose adaptable, hardy, more heat-resistant, compact, compact flower bulb medium temperature type medium maturity or medium early maturity varieties, such as the Holy Green, Spring and Autumn No. 4, Spring and Autumn No. 44, Bo Ai No. 1, and so on. Green cauliflower seedlings at the end of January to early February, the end of March planting harvest in late May or early June, green cauliflower, although the soil requirements are not high, but in order to achieve high yields, it is necessary to choose the most suitable soil environment as far as possible.

In the transplanting time to pay attention to the appropriate density, after transplanting to pay attention to field weeding, fertilizer, watering, pest control, these are to enhance the quality of cultivation of broccoli and a key to the yield. Cauliflower is a kind of light-loving and moisture-loving, drought-resistant and fertilizer-resistant plant, with relatively loose requirements for soil. General cultivation of broccoli should choose flat terrain, easy drainage and irrigation, loose and fertile soil, light enough weak acidic or neutral sandy soil plots Broccoli in the process of growing water demand are very large, in the fruiting period if the lack of water will affect the quality of broccoli. The water should not be too much, because too much water will cause disease if the soil is too wet.

Seeding management 15 days after sowing, two cotyledons strong, the true leaves show the heart, can be divided into seedlings, before the seedling bed sprayed with water, seeding can be used in nutrient soil ground seedling two ways. Seedling management during the period is generally see dry and wet, not dry not watering, in the fertilizer management, broccoli's pre-growth, the demand for nitrogen fertilizer is very large, this period to give broccoli supplemented with a large amount of nitrogen fertilizer. Cauliflower growth late until the flowering ball period on the nitrogen, phosphorus, potassium and trace elements elements demand is relatively large.