Small water radish, also known as small radish, season radish. The fleshy root is edible, mostly red and white meat. Can be cold, stir-fried, soup, is a popular fast-growing winter and early spring. Small water radish like cold, the seeds can germinate at 4 °C, germination suitable temperature 15 °C - 35 °C, more than 40 °C germination, fertility optimum temperature 15 °C - 20 °C, 4 °C below malnutrition, can withstand 0 °C low temperature. The fleshy root grows well at about 15°C, and it is unfavorable for growth at temperatures above 25°C. Low temperature can cause flower bud differentiation, and should avoid prolonged exposure below 12°C in production to prevent premature convulsions. Small water radish does not require strict soil requirements, but clay with strong water retention and fertility is appropriate. The requirements for light are sufficient. If the light is insufficient, the petiole becomes larger, the leaf color becomes lighter, the growth is weaker, and the lower leaves yellow off, and the roots of the flesh are not expanded well. Although small water radish has strong water absorption capacity, due to underdeveloped lateral roots and limited water absorption, the optimum soil moisture is 60%-80% of the field water capacity. When moisture is insufficient, fleshy roots are small, yield is low, and lateral roots are increased. Affect quality. Severe rough skin, coarse fibers, spicy and cruel, excessive water or dry and damp, easy to cause cracking of fleshy roots. Cultivation techniques Fertilization Site preparation and sowing. Mushi high-quality farmyard fertilizer 2500--3000 kg, mixed with 20--30 kg of DAP Pu Shi ground, deep turning fine, and then made of 1 meter wide rake or 25-30 cm away from the ridge. When the soil moisture is not good, they must make 2-3 days before sowing. Each pod should be planted with 4- to 5-lines. Each ridge should be sown and drilled. After sowing, the cover soil is 2 cm thick. When the surface soil is dry, it is slightly suppressed. Post-broadcast management. The first is seedling management. Keep 20 °C - 25 °C during the day and 10 °C - 13 °C at night. After emergence, maintain 15°C--20°C during the day and 8°C--10°C at night, not less than 4°C. After the true leaves are unfolded, the seedlings are divided into two sub-seedlings. According to different cultivars, the spacing is between 10 and 15 cm. The second is water and fertilizer management. About 15 days after sowing, it enters the period of “break bellyâ€, and then follows 15 acres of ammonium nitrate or 20 kg of ammonium sulfate. After top dressing, it is watered. After 15 days, water is poured again. China Agricultural Network Editor
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