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 temperature 15 °C -35 °C, more than 40 °C mal 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. quality. Severe rough skin, coarse fibers, spicy and cruel, excessive water or dry and damp, easy to cause cracking of fleshy roots.
Cultivation Techniques
Fertilizer 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 into a 1 meter wide rake or a ridge 25-30 cm apart. When soil moisture is not good, 2-3 days before planting, pods should be planted in 2-3 rows, each row should be sown in one row, drilled and sown, and the cover soil should be 2 centimeters thick. When the topsoil is dry, slightly suppress it.
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 between the seeds is between 10-15 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.
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