What should we pay attention to when cultivating greenhouse flowers?

There are many people choose to plant greenhouse flowers, greenhouse flowers are not so easy to grow, do you sometimes have to pay attention to when planting? The editor will share it with you.

Flowers in the greenhouse should be protected from frost damage. For cold-resistant flowers, grass curtains should be added at night or small sheds should be set in the shed; you can also dig a storage pool every few meters in the middle of the shed to keep warm; or spread some plant ash on the ground, which can generally increase the ground temperature by 1 ℃-2 ℃.

The flowers in the greenhouse should be protected from dampness. In long-term sealing, when there are many rainy and snowy days, drainage ditches should be opened outside the greenhouse to reduce soil moisture. In addition, some plant ash can be sprinkled on the basin surface or the ground to absorb heat and increase temperature, absorb moisture and reduce humidity. At the same time, we should pay attention to tightening the greenhouse film and strictly prevent the roof from stagnant water and leakage.

Flowers in the greenhouse should be protected against gas damage. Mature organic fertilizer should be applied in the greenhouse to reduce the amount of chemical fertilizer as much as possible. In sunny and windless weather, it should be ventilated and ventilated in time to exhaust harmful gases from the shed.

Flowers in the greenhouse should be protected from diseases. The air humidity in the greenhouse is high, so special attention should be paid to prevent the occurrence of diseases such as powdery mildew, black spot, anthrax and so on. Anthracnose can be sprayed with 75% chlorothalonil at the initial stage of the disease, powdery mildew can be sprayed with 1: 1: 140 Bordeaux liquid, and black spot can be sprayed with 1000 times of methyl topiramate. Medication in the shed should avoid sunny noon high temperature period, flowering period.