Greenhouse cucumber watering six note

Pay attention to the growth of cucumbers in greenhouses. Usually, when cucumbers in greenhouses are short of water, the leaves will be wilting, growth will be weakened, and more diseases will occur. At this time, moisture should be added in time.

Pay attention to the situation of soil moisture, if the soil is not watered when the cucumber is in the greenhouse, it is not only unfavorable to increase the ground temperature, but also easily leads to the deterioration of the soil permeability, resulting in the lack of oxygen in the roots, resulting in rooting and yellow leaves.

Pay attention to the weather, choose sunny watering, ensure that there are two or three days of sunny days after watering to avoid rainy weather after the water, resulting in increased humidity in the greenhouse, lower ground temperature, and multiple diseases.

Note that the suitable daily average soil temperature for cucumber growth in ground-temperature greenhouses is about 22°C, and the ground temperature in the shed is often 15°C to 20°C. If the watering is excessive or the timing of watering is wrong, the ground temperature drops rapidly, resulting in root injury and endangering plant parts. The growth, therefore, the low-temperature watering is best carried out after pulling the grasshopper in the morning.

Note that covering the film with plastic film can not only reduce the evaporation of ground water, maintain soil moisture, reduce the number of watering, reduce air humidity, reduce the occurrence of diseases, but also increase the temperature and speed up the growth rate of greenhouse cucumber.

Pay attention to the water management after the watering, warming up to 40 °C at noon the first two days, dwelling shed for an hour to improve the shed temperature. Then increase the ventilation and reduce the humidity in the booth. In response to the easy incidence of cucumber in greenhouses, spraying prevention to reduce the occurrence of pests and diseases.

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