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Second, the propagation method uses seed propagation. In July and mid-July, suitable sowing date. Before sowing, the seeds are soaked in water at 30°C for 6 to 12 hours, and they are left to dry until they are loose. In the entire well, the ditch was set at a spacing of 30 cm, the seeds were evenly spread in the ditch, and the cover soil was covered with no seeds. The amount per mu is 500 to 700 grams. After sowing, the field should maintain a certain humidity, and a thin layer of chaff can also be sprinkled on the surface to facilitate emergence of seedlings.
Third, field management
(1) Keep seedlings, seedlings, and make-up seedlings. The seedlings are weak in the early stages and should be watered in time to protect the seedlings in case of dry weather. When the seedling height is 5 to 7 centimeters, the first time the seedlings begin, weak and strong, keep the seedling distance 6 to 7 centimeters. When the height of seedlings is 15 to 17 cm, the seedlings are planted at a spacing of 15 cm 15 cm. In the absence of seedlings, select cloudy days to make up the seedlings.
(b) Cultivated weeding and topdressing. Usually combined with cultivator weeding, fertilization 4 times. After Qi Miao, the first weeding was carried out, and 1,000 kilograms of ash were mixed between the thin manure and livestock manure per acre. The second time after Dingmiao, in combination with cultivator weeding, applying 1 manure, livestock manure mixed with mixed fertilizer, the amount of 1500 kg per mu. The third time in early September, 2000 kilograms of human and animal manure water plus 50 kilograms of superphosphate were used per mu. After several days of stacking, ditching was applied between rows, and the cover soil was applied after the application. For the fourth time, topdressing once in October, the same amount and fertilization method used for the third time.
(three) row, irrigation. In early August, water should be controlled to push down the main root. When the main root no longer elongates, the irrigation volume can be larger. After heavy rain, drainage should be drained in time.
Chinese herbal medicine Achyranthes breeding method
First, the selection of ground Achyranthes is preferred for the cultivation of sandy loam with deep soil, loose fertility, good drainage, and low groundwater level. After the harvest of the former crop, the soil was deep-spilled over 60 cm, and the water was poured to make the surface soil sink. After slightly drying, 2500 kg of cooked manure, 50 kg of superphosphate, and 20 kg of cake fertilizer were used as base fertilizer per acre. Make a 1.3-meter-wide stilt with a 40-cm deep ditch and open a good drainage ditch around.
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