Current location - Recipe Complete Network - Dietary recipes - If you want to grow Heart Mist radish in the greenhouse, how to do pollution-free field management?
If you want to grow Heart Mist radish in the greenhouse, how to do pollution-free field management?

Seeding time, the heart of the foggy indoor minimum temperature stabilized above 8 can be sown. Yantai and similar latitude areas of small arch type planting is generally sown in March 10 ~ 20, daylight greenhouse planting in mid to late February sowing. Heart beauty radish sowing time can not be too early, too early, radish seedlings long-term low temperature, easy through the spring flowers early shoots.

It is recommended that land cultivation per mu of rotten organic fertilizer 4000 kg, nitrogen, phosphorus, potassium, compound fertilizer 50 kg. After fertilization, turn the ground 30 cm deep, rake the rake to be fine. It can be planted in Pingyi or on the ridge. If blood or furrow is used, the depth of the blood or furrow is 1.5 ~ 2.0 cm, with 2 ~ 3 seeds per hole, and the spacing between plants is 25 cm, and the spacing between rows is 30 cm. It is best to cover with mulch after sowing. If the temperature in the warehouse is not stable or the seed is sown quickly, you can cover another layer of small arcade in the warehouse.

Plastic greenhouse deep processing management points, after sowing the seeds to try to raise the ground temperature, germination should be timely tearing off the mulch, pull out the saplings. After germination, the temperature should be maintained above 10, is able to tolerate in a short period of time 8 low temperature. Seedling period, the daytime temperature should be controlled at 20 ~ 25. in the heart of the beauty of no flesh root expansion period, preferred cold cold environment, high temperature has the role of promoting the autumn big. Spring planting aesthetic radish, fleshy root expansion machine with the external temperature gradually increased, this time to cool down the main, watering, increase ventilation, the temperature as far as possible to control the temperature of about 20. Choose an uncontaminated plot, break the stumps on the basis of fertilizing the foot base, and in the fall turn over to a depth of 30 cm. Stump obedience plots in the harvest of the previous crop immediately after finishing the land, remove stumps and weeds, per mu of organic fertilizer 1500 ~ 2000 kg, high-quality ternary compound fertilizer 30 ~ 50 kg, pengfei 2 kg, the width of the ridge and furrow 55 ~ 60 cm, the height of the ridge and furrow 25 cm

In order to prevent the underground pests, 50% of the new sulfuric acid oil 52.5 L / hm2 mixed into the poisonous soil, sprinkled in the ridge and furrow In (prohibit the use of highly toxic residual pesticides), the injected organic fertilizer should be fully mature. Otherwise, it is easy to hurt the main root, forming roots and affecting the yield. Fly maggots are the main pests that harm the growth of radish, and have the habit of rotting organic matter, so pay attention to the production.

Large rooted varieties 400 ~ 500 grams per acre; are. 750 ~ 850 grams per acre for medium rooted varieties; yes. 1000 ~ 1200 grams per acre for small rooted varieties. Large-rooted varieties are sown in 4 rows or holes each. Medium rooted varieties are sown in 5 rows or holes each. Small root-type varieties can be sown in stripes or by seeding. There are two methods of sowing: sprinkling and then covering with soil, and sowing and then watering. Seeding is mostly done electronically for cold seasons. High-stripe broadcasting or hole broadcasting is mostly used by the latter, which is suitable for hot periods. Large-rooted varieties plants are 40 ~ 45 cm apart; medium-rooted varieties plants are 20 ~ 25 cm apart; small-rooted varieties can keep plants 10 ~ 15 cm apart.