First, adjust the suitable growth environment
In spite of the increase in temperature during the beginning of summer, the temperature varies greatly. It is necessary to timely regulate the temperature and air humidity suitable for growth and development according to the external climate change and different crops. The physiological activity of cucumber is different from that of tomato and eggplant. The method of temperature adjustment in four stages should be used. The photosynthate production is mainly in the sunny morning. Therefore, at least 4-6 hours in the morning, the indoor temperature is kept at 25°C-30°C. Down 3 °C -5 °C, suitable temperature in 20 °C -23 °C; afternoon temperature 26 °C -23 °C; 9:00 pm around the plant to produce nutrients distributed during the day, room temperature in the 18 °C -20 °C, midnight to midnight The temperature is 15°C-16°C. If the night temperature is too high, nutrient consumption will increase. Celery and other cool and cool crops, the suitable temperature during the day at 20 °C -22 °C, night at 10 °C -12 °C. At night, it is necessary to decide whether or not to put the insulation and open and close the tuyere according to the outside temperature. If the night temperature exceeds 15°C, cold-resistant vegetables such as leaves and roots should be left at the tuyere to avoid excessive nighttime temperatures. According to different crops to adjust the different indoor air humidity. Crops such as tomato and eggplant are kept at 40%-50%; melon crops such as sweet pepper and cucumber are between 60%-80%.
Second, strengthen watering, top dressing
According to the weather conditions, plant growth and soil conditions to top-dressing fertilizer to meet the growth needs, top-dressing should vigorously promote the integration of water and fertilizer technology to drip irrigation with nutrient comprehensive, reasonable ratio of soluble fertilizer is appropriate. Different crop fertilization ratios should be different, tomatoes should be applied during the expansion period of high nitrogen and potassium compound fertilizer 5-8 kg per mu; can also be applied with water, nitrogen, phosphorus and potassium comprehensive alginic acid or humic acid organic liquid fertilizer; Water pouring, each time the amount of water per acre 8-10 square, to avoid flood irrigation, to prevent excessive soil moisture and affect the root growth normally absorb water, nutrients. A 20-bag carbon dioxide gas fertilizer is suspended per acre to increase the carbon dioxide concentration in the room and increase the efficiency of photosynthesis, which can increase production and improve quality.
Third, plant management
Timely management of vines, vines, loquats, pruning, and snoring was performed. Cucumbers and tomatoes were continuously used to extend the results of the plants and remove yellow leaves, old leaves and diseased leaves in time; tomato was first The ear fruit grows to the green ripening stage (when whitening is no longer growing up), the lower leaves are knocked out, and the dark green leaves of the lower part of the cucumber are also promptly knocked out to prevent infection of downy mildew due to poor ventilation. Tomato and cucumber are suitable for retaining about 16 functional leaves per plant in order to ensure the plant growth and the requirement for photosynthetic products with fruit enlargement.
Fourth, fruit management
It is necessary to strengthen supplementary pollination and fruit thinning and sparse fruiting; tomatoes and eggplants adopt natural pollination methods to maintain flavor and quality, and may adopt pollination-pollinator-assisted pollination, or release two boxes of bumblebee-assisted pollination per acre; "Fengjing No. 2" and other growth regulators, such as silk flowers or spray flowers, should be prepared at different concentrations according to different room temperature to prevent the formation of malformed fruits. Tomatoes should be sprayed with a vibrating pollinator or regulator when they are open to 3-4 flowers per panicle. If the flowers are sprayed just after opening 1-2 flowers, the fruit of the panicle will only bind 1-2 and affect the yield. . Remove excess flowers and fruits as soon as possible. Cucumber does not need to artificially pollinate the normal melon, and it is forbidden to use hormones to promote flowering of the young melon.
V. Harvesting fruit in time after ripening
It can not only increase the product rate, but also prevent fruit from falling and affecting the results of the plant. It is advisable to harvest every morning in the morning to increase the nutrient content, taste and flavor of the fruit. Cucumbers, sweet peppers, and eggplants are cut with scissors to prevent the plants from being torn when hand-picked and susceptible to disease. Take care when picking, avoid damage to the fruit and reduce product quality. If bamboo baskets or Vitex baskets are used, they should be covered with soft paper or agricultural film to prevent them from stinging; they must also be classified according to fruit size.
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