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Using sub-block root as a seed
Before the annual “winter solsticeâ€, the Chinese azolla (Achyranthes species) is selected for harvesting (aconite seedlings are known by the local drug farmers as "aesthetic herbs"). The thick rooted, non-injured, uninjured, and intact individual roots are selected for growth. Remove the roots of the sub-blocks and spread them in a cool dry place for 3 to 5 days. It is advisable to plant aconite during the "winter solstice" to "little snow." Ting-shaped dimples were planted in rows, with a spacing of 17 cm 17 cm and 12,000 litters per 667 m2. After the nesting is completed, the selected Chinese medicinal herbs are graded as large, medium and small, and are planted back to back in the nest. The medium and large seed roots are planted in each litter and the small seed roots can be planted in two litters per litter, and each litter can be planted with more litters as appropriate for the lack of litter. When planting, the buds are upward and their mouths are lower than their mouths. Then the roots are shaved and the trenches are opened at 27 cm. The dirt in the Gong ditch is placed on the cover and the thickness is about 7 cm to cover the buds. can.
Select plot
Aconite's sub-blocks are long and enlarged, and the root swelling is faster. It is better to choose the soil with deep layers, loose texture and fertile soil, and no accumulation of water. The oil-sand loam or semi-sand semi-mud land with good exhaust gas permeability is best for aconite cultivation. After a good selection of soil, plunge about 30 centimeters deep and smash. Then press 95 centimeters to open the car for a squat. The car's surface should be made into a tile-shaped back to facilitate drainage.
Rational fertilization
Aconite is a fat-tolerant plant. Applying basal fertilization, reasonable top-dressing is an important measure to increase tuber yield, and top-dressing is usually performed several times. First of all, before turning the ground, use 150 kg of oil per 667 square meters, and compost fermentation with 3,000 to 4,000 kg of livestock manure. Spread it evenly on the ground and use it as a base fertilizer. Start fertilizer in mid-February the following year. About 6 cm in height, there are 2 to 4 leaflets. First, in the line of ditch or open nest into decomposing human and animal manure, every 667 square meters with manure and livestock manure 2000 ~ 2500 kilograms into the nest, manure water dried after the cover soil; after weeding, clearing every 667 square meters With human and animal waste water 1000 ~ 1500 kg, urea 4 ~ 6 kg, mix well after the rhizosphere pouring; in the cultivation of roots, every 667 square meters with urea 15 ~ 20 kg, human and animal waste water mixing pouring, after Once every 20 days, the type and amount of fertilizer used are the same as before. The above fertilizers are mixed, and ditch or open hole is applied beside the plants and soil is applied after the application to promote the growth of the roots. In addition, during the period of 3 to 6 months, depending on the dryness and humidity of the soil and the weather conditions, irrigation can be performed intermittently for 7 to 10 days to maintain the normal humidity of the soil so as to improve root growth and development, thereby increasing yield.
Erosion ridge clearing, weeding, rooting
1. Erosion, ridge clearing and weed control: After the emergence of the aconite from the “spring†of the Jubilee to the “rainwater†festival, except for the weeds in the ridge, the large clay blocks in the ridge surface or the overly thick mud will be dredged into the ditch. , together with the fine soil in the ditch to the ridge surface. The diseased plant was immediately removed and brought out of the field for destruction. The diseased litter was sterilized with lime powder. Seen there was a defect, and the strong seedlings were planted on site to ensure that the seedlings were fully grown.
2. Planing roots: Aconite plants grow too many roots, often due to the lack of concentration of nutrients, so that the sub-block roots are not large, affecting the yield and quality. Therefore, aconite is usually rooted twice in the growth period. For the first time, before and after the festival, when the seedlings grow to 14-17 cm in height, they are first stripped of the leaves, and the soil near the plants is peeled open to expose the attachments (sides attached to the aconite) and the mother roots. , Shave out the superfluous and tiny aconite and leave one or two big aconite for each plant. After each root is repaired, cover the mouth with the previous piece of soil. The second time the root is built before and after the beginning of summer. The method is the same as the previous one. This time the rooting is to leave the roots of the thicker growing sub-branches left for the first time, and to remove them, so that the nutrients are concentrated on the roots of 1 to 2 sub-blocks to increase the yield.
Picking axillary buds
When the aconite stalk grows to about 20-25 cm, when the leaves are 10-12 pieces, it is necessary to promptly pick out the apex buds in order to prevent lodging and promote the growth of the roots; when the axillary buds grow about 4 cm, timely removal In order to prevent excessive consumption of nutrients, so as to facilitate the accumulation of nutrients in the roots of the sub-block, and increase production.
Disease prevention and treatment
Prior to planting, the seed was treated with trehalose-tribolium or carbendazim from 800 to 1000 times per 667 square meters to kill germs on the seeds of the aconite; when it occurred in early summer, the Bordeaux mixture, lime sulfur or Carbendazim control; In the second time of rooting, 1.5 kg of Xi Lisheng and 1.5 kg of lime powder per 667 square meters were mixed in the ridge to prevent the occurrence of root rot and the root rot was found. It should be immediately removed and destroyed. Lime dust should be sprinkled around the sickle's nest and 250kg of silage, 50kg of lime and 15kg of gypsum powder should be sprinkled on the rows with 50kg of ash.
High-yield cultivation techniques of Fuzi
Aconite, after processing, is also known as aconite. It is an important traditional Chinese medicine, which is in great demand and is increasing year by year. The key points of its high-yield cultivation techniques are described below.