Spring radish cultivation is covered with plastic film in the open field, and the seeds are generally sown from late March to early April. Be sure to choose varieties with fast growth at low temperature and strong disease resistance to minimize the risk of early bolting.
Plow the ground deeply 2 to 3 times before planting, and the depth of plowing shall not be less than 20 cm. When plowing the ground for the last time, apply 3000 kg of decomposed organic fertilizer and 30 kg of ternary compound fertilizer per mu. Generally, the border is made according to 1 meter of the ditch, in which the border surface is 0.65 meters wide, and the border surface is formed into a turtle-back shape. The furrow is wide and 0.35 meters deep.
Precise acupuncture is generally used. Sow two rows per border, with row spacing of 0.35 meters, hole spacing of 0.2 meters, and 1-2 seeds per hole. Pour the sole water before sowing, and spray the pre-emergence herbicide to cover the film after sowing. After emergence, the seedlings should be introduced by breaking the membranes in batches in time, and check the seedlings to replenish the seedlings in time around the tenth day. The seedlings should be fixed at the time of "big broken belly".
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