Double Layer Film Greenhouse For USA Market

Double layer film tunnel greenhouse for USA market to grow cannabis

Greenhouse function:

1) hot dip galvanized tunnel arch type frame, 200G/M2-275G/M2

2) covering po film, outside is clear film, inner is balck white panda film with 100% black light

3) this kind of greenhouse is blackout light , 100% shading system black in the greenhouse

4) with cooling fan and water pad to control the temperature in the greenhouse

5) with side wall ventilation system use manual rolling up film roller to let the fresh air into the greenhouse

The film tunnel greenhouse refers to a greenhouse with a hot-dip galvanized steel frame and a film as a lighting material. The main structure of this type of greenhouse is simple and practical, and the cost is low. The top can be covered with double-arch double-film or single-layer film, and the surrounding can be covered with double-layer film, single-layer film, pc board or glass, which can realize automatic control, optional supporting facilities, external sunshade system, internal sunshade system, fan water curtain Cooling system, top opening window, ventilation system, supplementary light system, seedbed raising system, spraying system, computer control system, etc.

Covering material: The top is covered with 12-15 silk po film, and the surrounding is covered with po film, glass, and sun panel. Span: 6.4m/8.0m/9.6m, eaves height: 2.2m-6.0m, column spacing: 4m, top window: The film rolling device opens the window for ventilation, and the side window: rack valgus window, sliding window, electric vertical sliding window, rolling shutter.

Film tunnel greenhouse parameter:

1: Covering material: po film, PE film, diffuse scattering film, sun panel, glass

2: Span: 8m per span, 9.6 meter per span

3: Eaves height: 3m-6m, 4 meter is best for the greenhouse

4: Column spacing: 4m/8m , gable width is 8m, bay column is 4 meter

5: Ventilation system: top roll film ventilation or surrounding roll film ventilation: manual or automatic

6: Cooling system: fan water curtain and cooling big fan

7: Shading system: inner and outer shading net, shading rate is 60%, 75%, 85%, 90%, 100%

8: Insulation system: inner insulation quilt to keep warm 

1. Reduce the humidity in the greenhouse without lowering the ground temperature: when the greenhouse is watered by drip irrigation, it will not form the surface runoff when flooding the crops because it directly wets the crops locally. It can reduce the humidity in the shed, and at the same time, because drip irrigation is used to evenly transport the water to the roots of the crops at the same time, it will not cause the ground temperature to drop, and it can also effectively maintain the ground temperature.

2. It can improve the utilization rate of fertilizers and reduce the fertilization effect: the use of drip irrigation in greenhouses can directly transport the fertilizers required by crops to the roots of plants evenly with water. Therefore, it will not cause uneven water and fertilizer to waste fertilizer as in the case of flood irrigation. Using drip irrigation can save 40% to 50% of fertilizer and about 50% of water.

3. Reduce the pests and diseases in the greenhouse and reduce the use of medicine stars: Various diseases in the greenhouse are mainly caused by excessive humidity. The use of drip irrigation can reduce the humidity in the greenhouse. Therefore, the probability of disease occurrence and the conditions for disease occurrence are reduced, and the amount of medication is correspondingly reduced.

4. It can increase the yield and mature earlier: the application of drip irrigation in the greenhouse can create a suitable environment for the development of plants, which can promote the normal growth and metabolism of crops, and reduce the slow growth or leggy phenomenon caused by improper water use. Thus, to a certain extent, the crops are matured early and the star yield is improved.

5. Prevent the spread of soil-borne germs: The use of drip irrigation is to directly wet crops locally, and germs in the soil will not spread with water like in the case of mixed irrigation with flood water.

6. Activating the soil and enhancing the permeability of the soil: The traditional flood irrigation will cause soil compaction, poor permeability, and excessive water saturation, so that the root system is in a state of hypoxia. Causes root retting or root injury. But using drip irrigation will not cause this to happen.

7. Save labor, effort, and improve work efficiency: When using drip irrigation, you only need to open the valve and lift the switch. There is no need to manually change the watering in the greenhouse, so that you can also engage in other agricultural activities while watering. It is necessary to master the watering time and shut down at the right time.

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