First, ginger sowing time
Ginger sowing time - from late April to early May.
Ginger should be selected before the sowing, and the mildew, rotten, and dried ginger should be removed. Ginger should choose 50-100 grams of ginger with 1-2 strong buds. Too much ginger can be sown but it needs a large amount and high cost. It can be cut with a knife or hand, but it hurts. â–¡ Use grass ash or lime to disinfect and then broadcast.
Before sowing, the ginger is best soaked with seeds and germinated. The method is to spread the ginger for 1-2 days and then soak it with Bordeaux mixture of 1:1:120 for 10 minutes, then remove the ginger and then layer it with tidal sand. The stacking code is covered with a film, the thickness is about 30-40 cm, the temperature is kept at 20-30 degrees Celsius, and the sprouting can be carried out in 8-10 days, and the seeding is reported according to the size and strength of the bud. The amount of seed per acre is 300-500 kg.
Second, the cultivation conditions of ginger
1. Temperature: Ginger is native to tropical China and East India. It is warm and warm, and the roots (ginger) need to grow at a higher temperature. At 16 to 18 degrees Celsius, it can germinate. At 20 to 27 degrees Celsius, the ginger is developing rapidly. The average monthly temperature is 24 to 29 degrees Celsius. It is most suitable for roots and branches. It stops growing below 15 degrees Celsius. When it reaches 40 degrees Celsius, the germination still has no hindrance. . But below 10 degrees Celsius, the ginger pieces are prone to decay.
2, lighting: ginger is resistant to the shade and not strong sunshine, the requirements for the length of sunshine are not strict. Therefore, when planting, you should set up a shade shed or use appropriate crops to shade, avoiding strong sunlight.
Ginger planting time
3. Moisture: The root system of ginger is not developed, and the drought-tolerant and anti-caries properties are poor. Therefore, the requirements for moisture are particularly particular. During the growth period, the soil is too dry or too wet, which is unfavorable for the growth and expansion of the ginger block, and it is easy to cause the disease to rot.
4, soil nutrition: ginger like fertile loose loam or sandy loam, planting poor growth in sticky heavy wet lowland, growing poorly on poor soil water retention. Ginger has the most need for potassium fertilizer, followed by nitrogen fertilizer and phosphate fertilizer.
Autumn is the time when ginger needs the most fertilizer. Therefore, in production, formula fertilization according to the fertilizer requirement of ginger, timely application of nitrogen fertilizer can help increase production. The fertilization of ginger is divided into base fertilizer and top dressing. The principle of “applying sufficient base fertilizer and timely fatning†should be adopted.
The base fertilizer is divided into organic fertilizer, cake fertilizer and chemical fertilizer. The organic fertilizer is applied in combination with the ground preparation before planting. Generally, 5~8 cubic meters of high-quality decomposed chicken manure is applied per acre, and tillage is applied after application; cake fertilizer and fertilizer are concentrated in the ditch, which will be crushed before sowing. The cake fertilizer and fertilizer are concentrated into the seeding ditch, generally 75~100 kg of cake fertilizer per acre, 50 kg of nitrogen, phosphorus and potassium compound fertilizer or 25 kg of urea, superphosphate and potassium sulfate.
In addition to applying the base fertilizer, it is generally carried out three times. The first top dressing is carried out when the seedling height is about 30 cm and there are 1 or 2 branches. This time, the topdressing is mainly based on nitrogen fertilizer, and 20 kg of ammonium sulfate or diammonium phosphate can be applied per mu.
Before and after the beginning of the autumn, Jiang Miao was in the period of three scorpions. This is the turning point of ginger growth and the turning point of nutrient absorption. This topdressing is very important for the formation of ginger. Since then, plant growth has accelerated and a large amount of nutrient accumulation has been formed. Product organ. Therefore, the demand for fertilizer and water is increasing. In order to ensure high yield of ginger, the second top dressing is carried out in combination with the removal of ginger grass or the removal of ginger shed before and after the fall.
This top dressing plays an important role in promoting hair growth and rhizome enlargement. It requires a large amount of fertilizer, a comprehensive nutrition, and a long-lasting fertilizer effect. This time, the topdressing fertilizer should be combined with the fertilizer fertilizer with long-lasting fertilizer and quick-acting fertilizer.
Use 70~80 kg of crushed cake fertilizer per acre, or 500 kg of decomposed high-quality manure, plus 25~50 kg of compound fertilizer. Open a fertilization ditch at the base of the plant at 15-20 cm from the base of the plant. Into the ditch, and mix with soil and fertilizer, then cover the soil, seal the soil, and finally pour the water.
Ginger likes warm and humid environment conditions, is not resistant to low temperature frost, starts sprouting above 16 degrees Celsius, seedling growth temperature is 20~25 degrees Celsius, stem and leaf growth temperature is 25~28 degrees Celsius, 15 degrees Celsius below the growth, so the ginger planting time - From late April to early May, the low-calorie valley area is suitable for the upper and middle of March. It can be prematurely germinated or cultivated with plastic film.
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