What role does soil play in flower growth and development:
Soil is an important substrate for cultivating flowers, the material basis for flowers to survive, and the main source of water, fertilizer, gas and heat needed for flower growth and development. This is because the soil is composed of minerals, organic matter, soil moisture and soil air. Minerals are the most basic substances that make up the soil. They provide the various nutrients needed for flowers. Organic matter not only supplies nutrients for flower growth, but also plays an important role in improving soil physical and chemical properties and soil aggregate structure as well as water retention, water supply, ventilation, and temperature stability. Soil moisture is an indispensable material condition for flower reproduction. Soil air is the source of oxygen required for flower root absorption and microbial life activities. It is also an important condition for further mineralization of soil minerals and conversion of organic matter to release nutrients. Scientific experiments have shown that the soil suitable for plant growth accounts for about 38% of minerals, about 12% of organic matter, and about 15% to 35 % of soil air and soil moisture. According to the data, the most suitable water content for flower plant growth is 25% of soil volume, and air also accounts for 25%. Some people do not understand the above reasons, when cultivating potted plants, they will not change pots and soils for a long time, resulting in deterioration of soil physical and chemical properties, poor air permeability and lack of nutrients, resulting in poor flower growth, yellow leaves, less flowering, and even no flowering. Therefore, to raise potted flowers, you must pay attention to changing pots at the right time. Linyi Fertilizer Network Copyright
What kind of soil is used for potted flowers: Linyi Fertilizer Network
Potted flowers, because their roots can only be moved within a small soil range, the requirements for soil are more stringent than those of open-field flowers. On the one hand, the nutrients are required to be as comprehensive as possible, and the nutrients required for flower reproduction are included in the limited potting soil; on the other hand, good physical and chemical properties are required, that is, the structure should be loose, the water holding capacity should be strong, the pH should be appropriate, and the fertilizer should be good. . Because of this, when planting flowers, try to choose a good agglomerate structure, loose and fertile, good water and drainage performance, and also contains neutral or slightly acidic soil rich in humus. The soil is light in weight, large in pores, airy in circulation, and rich in nutrients, which is conducive to the development of flower roots and the robust growth of plants. If the flowers are planted in sticky soil with poor air permeability and poor soil, or in pure sand with poor nutrition, poor water retention and fat retention, or planted in alkaline soil, it is easy for most flowers. Growth is weak, and even death. But the soil conditions mentioned above are not available in any kind of natural soil. Therefore, for potted plants, it is necessary to use artificially prepared culture soil. This kind of culture soil is based on the different growth habits of flower plants, and two or more kinds of soil or other matrix materials are mixed in a ratio to meet the needs of different flower growth. Linyi Fertilizer Network Copyright
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Industrial Sectional Door
Industrial sectional doors are the most durable and longest lasting doors to ensure circulation at the areas of the factory entrance and exit of goods, loading and unloading areas.
The body of sectional door is forming by 40 mm sandwich panels. These panels provides sound and heat insulation due to the intense doped polyurethane insulation was injected between galvanized steel sheet. (50 kg/m3).
Industrial sectional door systems provide space-saving with opening parallel to the ceiling.Any opening can be used clearly . and produces in accordance with the transition range and the height in the factory buildings or warehouses.
Doors is working sliding by be the most appropriate the gap between the top level of the gate with a ceiling height within the side rasils. The door can be mounted in different ways according to the gap distance (standard, low, highlift and vertical track systems).
Industrial sectional doors can easily be opened automaticly by 230-380 V-AC/50 Hz electric motor or manualy thanks to torsion spring system that balances the weight of the door.The galvanized springs are made to be durable of 25.000 door cycles.Motor with emergency chain All the drive systems have a mechanical back-up system fitted to the reduction gearbox of the electric motor, so that the sectional door can be opened if the power fails. The reduction gearbox can then be powered using the chain.
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