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Dioscorea zingiberensis is a perennial herbaceous vine, which is widely distributed in China. Known as "drug gold." The main points of its cultivation techniques are as follows:
Ginger treatment: Generally, 180-200 kg of ginger should be prepared per acre. Before planting, put the ginger in the room temperature at 20 °C for 1~2 days. After the wound is healed, use the new high-fat film + biological potassium fertilizer or biological fertilizer to mix seeds, which can rid the underground pests and isolate the virus infection. Does not affect the germination and swelling function, strengthen the breathing intensity, and increase the seed germination rate.
Suitable sowing: seeding can be carried out in autumn from September to November, sowing should be carried out on sunny days. After the whole planting, the soil surface is sprayed with 600-800 times of new high-fat film to protect the water-proof evaporation, sun-proof and drought-resistant. Insulation and antifreeze, anti-soil layering, suffocation and isolation of pests and diseases, improve the emergence rate.
Field Management
Spraying new high-fat film at seedling stage to prevent infection of pathogens, improve the ability to resist natural disasters, increase the intensity of photosynthesis, and protect the growth of seedlings. When the fruit is formed, the fruit is fermented, and the nutrient transport conduit of the underground fruit is thickened, the fruit is swollen, the fruit surface is smooth, the fruit shape is strong, and the quality is high. When the turmeric is about 30 centimeters high, the height of the frame is 1 to 1.2 meters, and 1 pole is set for every 2 to 3 nests. After the frame is tied, 3 to 4 pieces are tied together to prevent wind from falling.
Pest control: For the tigers in the seedling stage and the late growth stage, which can harm the underground stem and the ground stem, 200% of the original drug of 90% trichlorfon can be added with appropriate amount of water, and 5 kg of braised bran is mixed to make a poison bait, which is evenly scattered at dusk. In the ground, the poison bait is trapped and killed, and the dosage per acre is 2 to 2.5 kg. For the field of susceptible root rot, roots are applied with roots +70% sodium sulfonate per acre to induce the accumulation of pathogens, and the fungicides surround the harmful bacteria in the roots of the fruit trees.
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