High yield cultivation methods and techniques of konjac

1. The soil should be selected in the shady or creek side of the forest, moderate in soil, loose in soil, medium in fertility, well-drained and not cultivated with konjac, and not in thin soil, hard-soiled soil and strong acid yellow. Planted in soil.
2. Seed selection and treatment Selection of 0.2-0.5 kg buds and sprouts, buds just germinated, smooth skin, no damage to the pests of the tubers as a kind of pod, planting pods before drying 1-2 days, until the water is slightly dry, Use 50% carbendazim 400 times solution and Green Hunter No. 1 3000 times solution to soak seeds for 15 minutes. Allow to dry after sowing.
3. The fertilizing performance of the fertilizing konjac fertilization is strong. The base fertilizer should be organic fertilizer, but no chicken manure should be used. One mus of mature manure or soil miscellaneous fertilizer 4000-5000 kg, superphosphate 50 kg, sulfur-containing compound fertilizer 50kg, turned into the soil, the soil full and smooth, deep sorghum cultivation, sill width 130cm, ditch width 40cm, around the open drainage ditch, smashed on the pesticide to kill the underground pests, and use 70% pentachloro nitrate The benzene was soil-sterilized.
4. Plant the spring equinox to plant before and after Ching Ming. Plant spacing is 30cm, spacing is 50cm, and the depth of seeding is 15cm. When planting, shoots are slightly tilted upwards. When the konjac buds grow, they first penetrate through the soil and then break out of the soil. Upright seeding will cause dental lining stains. Water causes bad shoots. The use of plum-shaped staggered cultivation to interpenetrate the size of the species is conducive to the full use of land and sunlight. After the pods have been placed, spread a layer of nutrient soil made from manure and fertilizer, and evenly cover 5cm thick fine soil to cover the dry thatched grass, which will help increase the soil temperature, prevent surface compaction, and inhibit the growth of weeds. Prevent rain wash.
5, about 30 days after sowing, most of the bud breaks with the first cultivator weeding when the soil is broken and dewy, and topdressing the seedlings once again, 1000 kg of livestock manure per acre, or 5-10 kg of urea, 1000 kg of water, Do not contaminate the scales with fertilizer solution to avoid causing fertilizer damage. When the real leaf is stretched, the second dressing is carried out. One mus of urea applies 4 kg of water to 1000 kg of water, or the third generation of sprayed poem is 5000 times liquid. After the leaves are unfolded, no liquid fertilizer can be applied, and manure and ash fertilizers can be applied on the surface. Tuber enlargement period, during the high temperature of August and September, 300 mu of human excrement and 1,000 kg of geothermal soil are spread on the surface of mussels in an acre of land, combined with soil weeding, reuse of potash, and topdressing 2-3 times. . From leafing stage to heading stage, from the sealing line to the early stage of bulbous expansion, 600-800 times liquid thinning agent can be used to increase the yield and enhance the disease resistance of Konjac.
6, pay attention to drought: Konjac does not tolerate drought, such as the discovery of drought and water loss, can cover more weeds, and timely watering, keep the soil moist, promote tuber enlargement, prevent plants withered. In order to prevent drought and shading, the konjac grow normally and develop well. Intercropping corn or soybeans and other high stalk crops can be interplanted. However, after the white dew, the temperature drops, and the intercropping corn stalks and surface coverings should be promptly removed to make the soil. Absorb more light and heat, and top-up 1-2 times fast-acting fertilizer to prevent premature aging of leaves and stems. During the cultivation and management process, the leaves cannot be cut, otherwise the bulbs will be rotted, and the roots of the surface layer will not be damaged during weeding and weeding.
7, pest control: 7-9 months, high temperature, rain, but also value konjac expansion period, prone to soft rot, epidemic disease and white Juan disease, to strengthen the prevention and treatment of early sickness, in July can be combined with fertilization with green Hunter No. 2 3000 times solution to irrigate roots, apply lime from August to September, and use 3000 times solution of Greenhenge No. 2, 40% special effects to sterilize 800 times of the king's solution, 800 times solution of root to cure, and basically control the disease. occur. Insect pests mainly include red spider, sweetpotato hornworm, snail and cockroach, Red spider can use 40% killing special 1000 times, 30% quencher emulsion 800 times liquid, killing sweep 1500 times liquid spray, sweet potato hawk moth with 90% The crystal trichlorfon 800-1000 times liquid or 30% of the insecticidal king 1500 times liquid spray, and the snail and snail can be applied to the plant leaves and stem base.
8, can not be excavated in time before the excavation frost, to wait until the stems, leaves withered after 20 days excavation, try to avoid digging or excavation. Dig a broken wound, avoid exposure to the air, so as to avoid oxidation of the enzyme browning or moldy rot in the event of contamination. After digging, they are graded and stored in the cellar in time.

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