How to plant Rehmannia glutinosa?

How to plant Rehmannia glutinosa? Netizens can help introduce the planting method of Rehmannia glutinosa planting can refer to the following methods: first, Rehmannia glutinosa planting: choose sandy loam with flat terrain, convenient drainage and irrigation, deep soil layer, loose soil, rich in organic matter, and good water and fertilizer conservation. The rotation period is ten years. Second, the variety selection of Rehmannia glutinosa: Beijing No. 1, Beijing No. 3, Jin Jiu. Third, land consolidation: combined with land preparation, applying fully mature coarse and miscellaneous fertilizer 5 square per mu, sulfuric acid-type ternary compound fertilizer 100 kg, deep ploughing 30 cm as base fertilizer, 50% Fumishuang 1.5 ml 2 kg + 1.8% avermectin 0.8 ml 1 kg mixed with 30 kg of fine sandy soil to make poison sand ploughing (rake) soil treatment Control underground pests, nematodes, Fusarium wilt, stem rot and other diseases and insects. 4. Sowing of Rehmannia glutinosa: 1. Soil disinfection of Rehmannia glutinosa planting land: after sowing, along the sowing zone, soil disinfection was carried out with the mixture of agricultural resistance 120 and Guangkuling 300 times to prevent diseases such as Fusarium wilt and stem rot. 2. The suitable planting time of Rehmannia glutinosa: plastic film mulching was adopted in the middle of April to ensure the whole seedling sowing. 3. Rehmannia glutinosa seedlings soaked in 1500 × BG or JK 250x or OS- Stirling solution for 30 minutes and dried for sowing. 4. Rehmannia glutinosa weeding method: chemical weeding of soil closure: from late March to early April, 200 ml field filling was used per mu before sowing, and 45-50 kg of water was used for soil closure treatment (inverted spray, forbidding people and animals to enter the ground within a week, so as not to destroy the film). 5. Field management of Rehmannia glutinosa: 1. Topdressing method of Rehmannia glutinosa: 25 kg N, P K compound fertilizer or 50 kg cake fertilizer per mu was applied after seedling determination, and 0.06 kg N, P K compound fertilizer was sprayed on leaves per mu in the middle and later stage of root expansion. 2. The watering method of Rehmannia glutinosa: after emergence, it is appropriate to water less and keep yellow soil moisture. The principle of watering Rehmannia glutinosa is three watering, three irrigating: drought watering before emergence, watering after fertilization, no rain for a long time, and plants wilting at noon to water in time. Three no watering is: no drought, no watering at noon when the temperature and ground temperature is high, and no watering when the sky is overcast and rainy. Stagnant water after rain or watering should be removed in time. 3. The method of picking buds of Rehmannia glutinosa: remove the flower stem in time to concentrate nutrients for rhizome growth. 6. Prevention and control of diseases and insect pests of Rehmannia glutinosa: 1. Control methods of Fusarium wilt and stem rot: on the basis of seed soaking and soil chemical treatment, at the initial stage of the disease, the root was irrigated with the mixture of Nongkang 120 and Guangkuling 300, 0.2 kg per plant, 4 times in a row, with an interval of 7 min for 10 days. 2. The control methods of leaf diseases such as ring streak and leaf blight: before the disease, spray protection with 1000 times of Guanjinqing or 500times of Longke or 500Mel of JKDK or 500x of OS- Stirling solution was used to protect it. After the onset of the disease, 30% phenylmethyl can be selected. Alternately spraying propiconazole 1500ml 2000 times or JK 300x or OS- Stirling 300x or Zhixin 1500ml 2000x alternately, with an interval of 7mil for 10 days. 3. Methods for prevention and control of virus diseases: spray with a mixture of 500x of JK or 500x of OS- Stirling or 600x of Longke + 1500 times of hero or 0.9% of Zongmike 2000m / 2500x. 4. Red spider control methods: 0.9% mite 2000 / 3000 times or 34% Huifengke mites 1500 / 2000 or Velite 1500 times spray control can be selected. 5. The control method of the ground tiger: 250 grams of trichlorfon was mixed with 5 kilograms of fried wheat bran per mu (hydrated with 500 grams of warm water) to make poison bait, which was sprinkled in the ridges in the evening; or 2.5% kung fu 40 ml or 4.5% cypermethrin 50 ml, 35 kilograms of water in the evening ground spray control. Click to get more planting techniques of Rehmannia glutinosa