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Vegetable planting technology in Greenhouse

Hank Schrader
2020-07-03 08:28:29
The appearance of greenhouses makes it possible to produce vegetables in different seasons. Because of its good heat preservation performance, it is also loved by farmers. In the greenhouse vegetable planting, we should first pay attention to leveling the land, renovating and weeding, and at the same time add some basal fertilizer. When setting up the shed, find a good position and control the size. The vegetables with strong resistance to shade, disease and humidity are more suitable for growing in the greenhouse environment. Control the temperature well, not higher than 33 ℃. Drip irrigation is the best way to water.

I. land leveling

The first step of greenhouse vegetable planting is to level the land. It is necessary to renovate and weed the land, and at the same time, add some base fertilizer to the soil according to the vegetables planted. Fertilizer should not be too thick, or it will lead to soil hardening and other deterioration.

II. Reasonable shelter

The span of the shed should not be too large, generally not more than 12 meters, and the length is not more than 120 meters. It's better to have walls on all three sides, so as to better heat preservation. At the same time, it is necessary to select appropriate steel vertical frame, which can play a better supporting role. Choose no drop film to cover the shed surface, which can increase the internal temperature

3. Vegetable selection

Due to the characteristics of the greenhouse itself, the selection of vegetables should meet several key points. The first is the low light requirements, the winter itself light time is not long, plus the shelter will reduce the sun access, so we must choose shade resistant vegetables. The second is the strong resistance, the general ventilation capacity of the shed, so the plant must have the ability to resist disease. The third is high humidity tolerance. The humidity in the greenhouse is often very high, and it is difficult to control, so vegetables must be resistant to high humidity.

Greenhouse

4. Temperature control

One of the great advantages of the greenhouse is good heat preservation, so as to provide a growing environment for some vegetables. But the temperature should not be too high, to be controlled below 33 ℃, higher than this temperature to immediately cool down, can open the shed ventilation.

5. Drip water

Due to the high humidity of the shed, it is not suitable to water more, generally drip irrigation is better. Drip irrigation itself can also save water, is a good economic way.

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