First, soil fertilization radish should choose a deep soil, fertile texture, loose air permeability of sandy loam is better, but do not choose cruciferous vegetable mouthwash. Radish is based on basal fertilizer, supplemented by topdressing, combined with site preparation, Mushi rotted 3,000 kg of high-quality farmyard manure, and is equipped with appropriate quantitative fertilizer. The land preparation must be meticulous, so that it can be ploughed, smashed, and flattened to make the soil more practical.
Second, the appropriate sowing autumn radish should be planted in the end of July to mid-August, sowing before high ridge, ridge width 30 cm, height 15 cm, groove width 20 cm. Because the survival rate of transplanting is very poor, generally adopt the live-spot method, seed spacing 50 cm, plant spacing 25 cm, sowing depth 1.5 cm, 3-5 seeds per hole. When the seedlings appear 2 true leaves when the thinning, the thinning pay attention to weak and strong, leaving 2-3 per hole seedlings, seedlings 4-5 true leaves when the Dingmiao.
3. Field Management Autumn radish is in the early stage of high temperature and rainy season, and should be ploughed in time. The principles of shallowness, shallow depth and shallowness should be mastered in the cultivator. The first cultivator should be shallow after the stipulation, and the ground can be cut and the cultivator can be used later. Properly deepen, but not hurt the roots, prevent rot or cracks. Top dressing with irrigation, apply 15-20 kg of ammonium sulfate per acre, apply to 10 cm of seedlings, and then drip human urine after 15 days.
2 times, each 1000 kg/mu. Seedlings of 4-5 true leaves appear to “broken bellyâ€, and watering should be reduced before breaking the belly to promote straight roots. The top of the root is usually exposed and the fertilization and irrigation should be paid attention to when the thickness is nearly 2 cm. The lack of water at this time will appear hollow, hard and spicy, and reduce production. Stop irrigation 5-6 days before harvest.
Fourth, pest control and treatment of rootworms can be used 90% of crystal trichlorfon 500 times Irrigation root killing; Cai Pan, Pieris can be used 50% phoxim EC 1000 times or 20% Triazophos EC 700 times and other control The vegetable masher can be controlled with 70% chlorbenazolone WP 2000 times solution, and can be used for the prevention of downy mildew and other diseases such as 65% mancozeb WP wettable powder 500-600 times.
Fifth, the appropriate harvest radish generally full of fat after the root is harvested for the appropriate period of harvest, ready to store the autumn radish should be timely harvest before freezing.
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