Ginger is a perennial grassy vine that is widely distributed in China. With low input of turmeric, high yield, and quick results, the effective saponin content can reach 12%. As a Chinese medicinal material, it has very important medicinal value and economic value. It is called “medicine goldâ€. The main points of its cultivation techniques are described below:
First, soil fertigation
Yellow ginger can be cultivated in the soil with a 15 cm mountain, gentle slope, and Sichuan-Chongqing land. Choose a land with strong water retention and fertility, convenient drainage and irrigation, and no turmeric. Plant 20-30 cm deep before planting and pulverize soil. Blocks, nets, stone, weeds, combined with a one-time 667 square meters (1 acre) application of urea 5 kg, 30 kg of plant ash, phosphate fertilizer 50 kg, quality decomposed farmyard fertilizer 1500 kg as a base fertilizer.
Second, selection and treatment
1. Seed selection: Select 1 year ginger block without mildew, no frost damage, strong vitality, strong germination force to grow ginger, cut into 3~5 cm long pieces, and keep 2~3 robust latent buds. Immediately use the plant ash to disinfect the section after the delivery and store it for later use.
2. Ginger treatment: Generally, 180 to 200 kilograms of ginger should be prepared per 667 square meters. Before sowing, the ginger shall be kept open at room temperature of 20°C for 1 to 2 days. After the wounds heal, they shall be soaked with potassium permanganate 200 times for 10 to 20 minutes, then dried, and then used for every 667 square meters. Kilo biological potassium fertilizer or biological fertilizer dressing, and then sowing.
Third, the appropriate sowing
Seeding can be sowed in spring in early March or in autumn in September-November. Autumn is the best choice. Sowing should be done on a sunny day, planting a depth of 8 to 10 cm, planting 6000 to 8000 plants per 667 square meters. The planting method is based on ridges. The ridges are laid at intervals of 60 cm. The ridges are about 15 cm high (or covered with a plastic film to keep warm), and the ridge width is 40 cm. Each ridge was planted in two rows with a row spacing of 20 cm and a spacing of 28 to 37 cm. The plants were triangularly asymmetrically planted.
Fourth, field management
1. Top dressing watering: 667 square meters topdressing urea 8 ~ 10 kg seedlings, expansion of 667 square meters topdressing urea about 10 kg, with each top dressing for watering. In dry conditions, watering is usually performed every 5 to 7 days to keep the soil moist.
2. Weeding: Before the emergence of yellow ginger, every 667 square meters with 10% glyphosate aqueous solution 0.75 kg plus 50% butachlor EC 200 ml water 50 kg spray; in the growing season of yellow ginger, 10.8% per 667 square meters High-efficient straw can spray 10 kg of water in 10 ml, which can not only inhibit the growth of weeds, but also help increase production.
3. Racking: When the turmeric is about 30 centimeters high, the height of the frame is 1 to 1.2 meters. Every 2 to 3 wocks a pole, after tying it, 3 to 4 ropes are tied together to prevent wind resistance. inverted.
4. Insect and pest control: For the turmeric roots and late growth stages, the ground floorworm and above-ground stalks of the groundworm can be used 90% trichlorfon 200g plus appropriate amount of water, mixed bran 5 kg bran made bait, at dusk Evenly spread on the ground for bait trapping, using 2 to 2.5 kg per 667 square meters. For the roots that are prone to root rot, irrigated with 70% of sodium sulphonate-soluble powder 25 g and 30-50 kg of water per 667 m2.
Fifth, timely harvest
In Baoji City, Shaanxi Province, artificial cultivation of turmeric has entered the harvest period after the third year of planting, and harvesting is usually timely at the end of autumn (November). At this time, the harvested turmeric has high yield, good quality, good commercial quality, and is resistant to storage.
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