1, insulation and cold. Precocious cultivation of pepper generally adopts the method of greenhouse sheds to provide protection against cold, cover the sheds and other insulation materials on the shed.
2, ventilation and light management. Colonization is not ventilated before replanting, in order to maintain high temperature and humidity and promote early root-feeding. After the seedlings should be ventilated in a timely manner, the greenhouse temperature 20 ~ 25 °C during the day, 15 °C at night is appropriate. Regardless of whether it is sunny, cloudy or rainy days, it is necessary to peel off the shed film in the shed during the day to prevent the lack of light. When the nighttime temperature exceeds 15°C, it can be ventilated overnight.
3, fertilizer and water management. Plant enough water after planting. The temperatures in March to April are relatively low and generally do not water. After the end of April to May, depending on the soil moisture and plant growth conditions, watering should be carried out as appropriate. Dropping and irrigation can be performed conditionally. Prematurely cultivated peppers are dominated by basal-fertilizers, and they are not top-dressed in the early growth stage. If necessary, they are top-hatched with 0.2% urea and 0.3% compound fertilizer. After the middle and late period, the film can be peeled off for top-dressing. After each harvest, the fertilizer is applied twice, and each time, 10 kg of compound fertilizer is applied per acre. Tung Lo should be strengthened after fertilization to prevent harmful gases such as ammonia. According to the soil moisture, topdressing combined with watering, or drip irrigation fertilizer. Appropriate increase in the amount of fertilizer in the fruit period, 20 kg of Mushi compound fertilizer.
4, flowers and fruits. In early spring, the temperature is low, and peppers pollinate and fertilize poorly, resulting in serious drop and fruit drop. Excessive use of nitrogen fertilizer, plant length, or over dense planting, lack of light, or flowering greenhouse temperature is too high, in addition to enhancing ventilation and light transmission, plant growth hormone can be used to protect flowers, that is, in February to mid-April, with The 2,4 D dilutions for 2010?6 were spotted; the flowering period was sprayed with 3010?6 anti-droplet flowers (not more than 2 times to avoid injury).
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