Ma Xinshi, the national model worker of agricultural labor and the president of the Shaanxi Provincial Professional Farmers Association, recently made a field guidance for the majority of vegetable farmers in the Yangling Professional Farmers Innovation and Innovation Park in Shaanxi Province. He proposed different irrigation techniques during the different growth stages of the greenhouse cucumber fruiting period.
Spring greenhouse cucumber fruit management
1. The period of early management is also called the root period. The first female flower of cucumber is open to the first melon harvesting period: 1 time to avoid the abduction; 2 to ensure temperature and light: the temperature should be maintained at 12 to 18 °C during the day, to grasp the coverage and uncovering time of the covering; 3 pay attention to the application of fertilizer water: to keep the soil dry and moderate, the principle is not to dry or not. At the same time, nitrogen fertilizer is applied in combination with watering.
2. Mid-term management This period is the period of the melon, also known as the waist-canow period, which is a crucial period for obtaining stable production and high yield. Pay attention to the management: 1 Increase the temperature and humidity, keep 25 to 30 °C during the day and 15 °C at night. At the same time, it is necessary to increase the amount of irrigation and watering to keep the soil moist; 2 to prevent high temperature hazard: generally, when the temperature reaches 30 °C in the morning, it is necessary to strengthen the ventilation. When the temperature drops to about 28 °C in the afternoon, gradually close the small vent; 3 strengthen the topdressing: Topdressing should be diligent, and the amount should not be too much. Urea or compound fertilizer can be applied.
3. Late management Most of the waist melons have been harvested during this period, and both temperature and ground temperature have increased. In this period, it is necessary to protect the melon and prolong the melon period. 1 sunny day can be a big release; 2 timely topping to promote the growth of the back of the melon; 3 appropriate application of fertilizer water, strengthen foliar fertilization.
Linked greenhouse cucumber watering has tips
1. Pay attention to the sensation of the soil. If the soil in the greenhouse is not dry, it is not conducive to raising the ground temperature, but it is also easy to cause the soil permeability to deteriorate, resulting in the lack of oxygen in the roots, causing roots and yellow leaves.
2. Note that the weather must be watched before the watering, choose to water on sunny days, to ensure that there are 2-3 days of sunny after watering. In the first two days after the cloudy weather, it is not suitable for watering. The shed temperature and ground temperature should be raised first, so that the cucumber in the greenhouse can be restored to normal and then watered.
3. Note that the average daily ground temperature for greenhouse growth in greenhouses is about 22 °C, and the ground temperature in the greenhouse is mostly between 15 °C and 20 °C. The low temperature watering is best carried out after the grass is opened in the morning.
4. Pay attention to the watering after the management of watering, the temperature rise to 40 °C at noon on the first two days, and the shed for 1 hour to increase the ground temperature in the shed. Then increase the amount of ventilation to reduce the humidity in the shed. In order to reduce the incidence of pests and diseases, it is easy to treat cucumbers in greenhouses.
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