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Usually I plant directly. However, some friends who are more particular will still soak the seeds in advance. Soaking seeds is also relatively simple. You can first rinse them with warm water of 50 degrees for a few minutes to achieve a disinfection effect, and then soak the seeds in warm water of about 30 degrees for three or four hours, put them in a damp cloth, and keep the temperature at about 20 degrees , Generally, it takes about two days to see the white head of the cucumber seeds emerge. It's time to sow.
Sowing can be directly sown, and then tick the seedlings. You can also use methods like transplanting after seedlings, both of which are possible. If it is direct sowing, you need to prepare a plot of cucumber seeds or a relatively large flower pot. The soil needs to prepare ordinary garden soil with a certain amount of river sand and farmyard manure. Water properly after sowing to keep the soil moist, and cucumbers will usually sprout within a week or so.
Transplanting: Generally, when the cucumber seedlings grow to two true leaves, transplanting can be considered. If it is directly sown in flowerpots, it can be done by picking seedlings. Generally, two cucumber seedlings can be kept in one flowerpot. Be careful not to damage the root system of the cucumber seedlings during the transplanting process, and pay attention to watering after transplanting. Generally, cucumber seedlings can grow normally about a week after transplanting. Pay attention to good management in the later stage, build shelves in time, and pay attention to watering and fertilization.
growth habit
Temperature: Cucumber likes warmth and is not resistant to cold. The optimum temperature for growth is 10 to 32 °C. Generally, it grows best at 25-32 ℃ during the day and 15-18 ℃ at night; the most suitable ground temperature is 20-25 ℃, and the lowest is about 15 ℃. The most suitable temperature difference between day and night is 10-15 ℃. Cucumbers have poor photosynthesis at a high temperature of 35 °C, high temperature obstacles at 45 °C, and freeze to death at a low temperature of -2 to 0 °C.
Lighting: North China varieties do not have strict requirements on the length of sunlight, and have become sun-neutral plants, with a light saturation point of 55,000 lux and a light compensation point of 1,500 lux. good.
Moisture: Cucumbers have high yields and require large amounts of water. The suitable soil humidity is 60% to 90%. The water in the seedling stage should not be too much, and the soil humidity is 60% to 70%. In the fruiting period, sufficient water must be supplied, and the soil humidity is 80% to 90%. The suitable air relative humidity for cucumbers is 60% to 90%. If the relative air humidity is too high, it is easy to get sick and cause yield reduction.
Soil: Cucumber likes moisture but not waterlogging, and likes fertilizer but not fertilizer. It is advisable to choose fertile soil rich in organic matter. Generally prefer soil between pH 5.5 and 7.2, but pH 6.5 is the best.