Cherry tomato seedlings are generally transplanted into greenhouses from late November to early December, and harvested from January to March of the following year. Mainly do the following management techniques after transplanting:
Temperature and humidity management At the initial stage of planting, in order to promote slow seedlings, do not let the wind, maintain a high temperature and high humidity environment, 25℃～30℃ during the day and 15℃～17℃ at night. After slowing the seedlings, start to release air to adjust the temperature and humidity at 20℃～25℃ during the day and 15℃～17℃ at night, and the air humidity should not exceed 60%. After each watering, the air should be released in time to prevent the occurrence of diseases due to excessive humidity.
After the water and fertilizer management slow down the seedlings, the planting should be supplemented with small water once, and then the seedlings should be squatted. After the first and second flower spikes have bloomed and set fruit, stop squatting the seedlings, watering a small water, and topdressing with biogas liquid fertilizer. Water again after a week, and then water in time depending on the soil, weather and seedling conditions, keep the soil dry and wet, chase urea once after 1-2 watering, 10-15 kg per mu.
The plant adjusts single stem pruning and removes branches in time. Use nylon rope to hang the vine. Because of the long harvest period, the nylon rope must be firm and not easy to age. According to the cultivation requirements, pick the core every 8-10 spikes, or drop the seedling rods at any time to make it grow indefinitely. Remove the old leaves at the bottom in time and insist on thinning flowers and fruits. Plants per panicle can hold up to 20 to 25 fruits, the fruits are neat and grow uniformly, so no more than 25 fruits are retained per panicle, and the small flowers in front of the panicle should be cut off in time.
Hormone-preserving flowers using 15 mg/kg of 2,4-D for dipping flowers or 40 mg/kg of anti-falling elements for spraying flowers is an effective way to prevent flowers from falling before the flowers. But you must be careful not to dip the flowers repeatedly, and it is forbidden to spray flowers on cloudy and rainy days, especially if the concentration is gradually reduced as the temperature rises. Hormone treatment is performed throughout the growth period, otherwise empty ears or extra small fruits are easy to form.
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