Phalaenopsis winter tube "five factors"

Phalaenopsis needs to be cultivated in a high-temperature greenhouse in the winter in the north. To create the suitable environmental conditions for the growth of Phalaenopsis, the following major tasks need to be done:

Temperature: Phalaenopsis grows at a temperature of 25°C to 30°C during the day and exceeds 32°C, which is detrimental to growth and flower bud differentiation. At night, 18°C ​​to 20°C, it must not be lower than 15°C. .

Humidity: Phalaenopsis likes higher air humidity and should be maintained at 70%-80% during growth. Therefore, water should always be sprayed into the surrounding space to increase the humidity, but the moisture of the matrix should not be too large. The dried substrate facilitates the growth of new roots.

Illumination: The shading net is opened in time according to the weather conditions in order to promote the photosynthesis of Phalaenopsis. When the temperature is high or the humidity is too high, the skylight is ventilated and ventilated.

Fertilization: Fertilization of Phalaenopsis adheres to the principle of "fat fertilizer application", and 1500 times compound fertilizer can be sprayed with 5,000 times boric acid, and 1500 times compound fertilizer can be applied once every other week. In addition, Phalaenopsis is a fleshy root, to make its roots hypertrophy, the application of potassium fertilizer is more important.

Pest control: In order to prevent the occurrence of pests and diseases, the greenhouse will be disinfected before entering the seedlings, and fungicides will be sprayed on a regular basis, usually once a week, and as far as possible when spraying, choose sunny days.

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