1. Grasp the warming and cold protection work inside and outside the greenhouse. The most suitable temperature for cucumber long-hanging fruit is 25-30°C during the day and 13-16°C during the night, and the minimum shelf temperature must not be lower than 8°C. Otherwise, it will cause a large number of cold-fallen fruits and even wilting. Therefore, before the arrival of the cold spell, we must add a double-layer film around the plastic shed and add double-layer grass curtains between the two films facing west and north to prevent cold air. At the same time, a layer of fresh, dry wheat straw was placed inside the large planting line to increase the temperature. In addition, rain and snow days must also be covered with a layer of agricultural film or tarpaulin that is the same size as the shed, to prevent the rain and snow from soaking the straw curtains and reduce the insulation effect. The conditions are as good as possible at night. Between the additional 2 to 3 layers of shade net, so that the effect of cold and warm better. 2, enhance and adjust lighting. In the case of ensuring that the greenhouse temperature will not be excessively reduced, the grass and shade nets will be released early to make the plants as bright as possible. In order to increase the transmittance of the film, the film should be cleaned once a week. In case of rain and snow, we must also pull grass curtains at midday rain and snow suspension to make the plants see the light for a short time. We must not pull the straw curtain for a few days. In the event of continuous long-term rainy weather, the grass curtains should be gradually separated, so that the plants gradually see the light, must not be exposed after a long period of rain, snow, and rain, and the full explosion of light, at the same time, try to create conditions in the fall and winter seasons Reflective screens, etc., can also significantly improve and increase lighting conditions in the greenhouse. 3, strengthen fertilizer and water management. Generally, the soil moisture in greenhouses is irrigated every 10 days and a half months. Before and after about 10 am, the water temperature and the ground temperature are adjusted to a difference of 2 to 3°C. When watering, do not ignore the time and place, do not watch the lyrics, and do not follow the seedlings. Affected by the size of the flood irrigation, it is advisable to adopt submerged furrow irrigation, hole irrigation and drip irrigation. In the case of sufficient basal fertilizer, it is not necessary to add fertilizer in late autumn and winter. When fertilizers need to be added according to the growing trend, urea can be applied with irrigation of 15 to 25 kg per mus, and potassium sulphate of about 10 kg. Every 15 to 20 days can be combined spraying, foliar spray fertilizer, such as spraying photosynthetic fertilizer or 0.2% potassium dihydrogen phosphate and urea mixture.
Fiberglass Grating
The fiberglass grating also named FRP grating & fiberglass grid, and the fiberglass grating panels can be made into FRP grating cover, fiberglass walkway grating, fiberglass trench grating and so on.
The fiberglass grating is light in weight and has good elasticity, so it can be cut freely during the installation process, without using lifting equipment, and only a small amount of labor and cutting tools are required. Because the FRP grid is made of non-metallic materials, the corrosion resistance of the FRP grid is very good. The FRP grid will not rust and rust under the chemical medium, nor will it damage the structure of the material.
Beyond that, the color of fiberglass grating including yellow, gray, green and as your demands.
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