1 selection and land preparation
Artificially planting gold and iron locks, it is necessary to choose sunny slopes with sufficient sunshine and convenient irrigation; the soil is selected to be rich in organic matter and slightly acidic sandy loam.
Before the soil preparation, the residue of the former crops was removed, and the soil was deeply turned over 30 cm on sunny days, and after 30 days of deep turning, the soil was refined. The diameter of the refinement soil is less than 3cm, and then the width of the concrete is 120cm, the height is 25~30cm, the width of the groove is 30~40cm, and a horizontal drainage ditch is opened every 15m. After good management, apply 30t/hm2 of farmyard manure and 750kg/hm2 of calcium fertilizer in the noodles. Stir the fertilizer and soil evenly after fertilization.
2 film
A black mulch having a thickness of 0.08 mm and a width of 1.2 m was used to laminate the film on the kneading surface. After the film is coated, a layer of fine soil of 1 to 2 cm thick is uniformly applied to the film.
3 sowing
The best sowing period is from March to May. When planting, the seed is mixed with the organic fertilizer 1:100 according to the gold iron lock seed, and planted according to the plant spacing 10cm10cm. 6-8 seeds were placed in each well at the time of planting, and the seeding amount was 30 kg/hm2. After the seeding is completed, cover with a pine leaf or a sunshade with a sunshade rate of 90% to ensure the seedling rate.
4 field management
4.1 Water Management
During the emergence of Jintie Lock, the soil moisture requirement is high, and the topsoil should be kept moist. About 20 days after sowing, when the golden iron lock grows 3 to 4 pairs of new leaves, the number of watering can be appropriately reduced to prevent root rot caused by excessive moisture, and water is accumulated in time on rainy days.
4.2 Fertilization management
Jintiesuo fertilization follows the principle of “basic fertilizer, moderate amount of topdressingâ€; after 30 days of emergence, the compound fertilizer diluted by 200 times (15:15:15) 150kg/hm2 is applied, and the leaves are cleaned with water after fertilization; 25~30 days later For the second fertilization, 120 times diluted potassium dihydrogen phosphate 120kg/hm2 and potassium sulfate 75kg/hm2 were applied; after 30 days of the second fertilization, the fertilization type and fertilization amount and method were the same as the second time; On sunny or early morning, it is forbidden to fertilize in high temperature environment to avoid fat damage.
4.3 Field weeding
After the gold iron lock emerged, the weed height did not exceed 5 cm, and the first weeding was carried out. When weeding, it is necessary to prevent the roots of the golden iron lock seedlings from being damaged when the weeds are removed, and water is poured once after weeding.
5 major pest control
5.1 Land Tiger
Harm: The larvae endanger the roots of the golden iron lock, causing the death of young plants in severe cases.
Control measures: remove weeds in the field and eliminate eggs; use the tendency of adult tigers to sweet and sour, black light, use black light or sweet and sour liquid to trap; larval stage spray beta-cypermethrin 800 times or kill 800 with enemy Double liquid for prevention and treatment.
5.2蛴螬
Harm: The larva damages the roots of the gold lock, reducing yield and quality.
Control measures: remove weeds in the field and eliminate the overwintering eggs; spray 40% phoxim emulsifiable concentrate 1000 times solution at the time of onset, or use 80% trichlorfon soluble powder 800 times solution to control roots.
5.3 root rot
Harm: Mainly harm the roots and rhizomes of the gold iron lock, causing the whole plant to wither and turn yellow to death.
Control measures: When the disease occurs, the diseased plants should be removed in time, and 65% of the WP can be used at 1000 times, or 50% of the WP can be sprayed or poured with 1000 times.
5.4 Stem-based rot
Harm: Mainly infringe on the base of the gold iron lock stem.
Control measures: use 72% ke WP 600 times solution, or 72% cream urea Mn-Zn WP 600 times solution spray control.
6 harvest
Jin Tie lock can be harvested after sowing and planting for 2 years. When the stems of the golden iron locks on the ground are withered, they choose to dig the roots along the surface in sunny days.
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