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Greenhouses should release air reasonably in summer
Mar 11,2022
In summer, the temperature is getting higher and higher, especially for saw tooth type greenhouse, so it is necessary to carry out effective air release to ensure the smooth "inhalation" of the greenhouse, and release the air layer by layer. When the greenhouse is closed for 1 hour or the temperature of the greenhouse reaches 20 degrees, a little breeze needs to be released, and the air outlet is ...
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Installation points of Cooling Pad &Fan System
Jun 17,2022
As the optimum temperature for most crops is usually below 30 degrees, the internal temperature of agricultural plastic greenhouse for tropical crops should not exceed 35 degrees, and that for hardy or shade-loving crops should not exceed 25 degrees. But for most of the country's low sea wave areas after May the temperature will be more than thirty degrees, intelligent greenhouse green...
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Hydroponics technology of leaf vegetable pipes
Oct 09,2022
Hydroponic vegetables refer to vegetables that are cultivated under the traditional soil cultivation form, in which most of the roots grow in the nutrient liquid layer and only provide water, nutrient and oxygen through the nutrient liquid. Hydroponic leaf vegetables have the characteristics of short growth cycle, clean product, good taste and good benefit. The varieties of hydroponic vegetables a...
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Cultivation techniques of lettuce
Oct 27,2022
the technology of growing seedling Sowing was carried out in the greenhouse. Coconut bran matrix was placed in a 72-well hole dish, and then placed on a tidal Greenhouse seedbed. Nutrient solution (EC: 1.6 mS/cm, pH: 7.4) was poured to saturate the substrate with water absorption. The seeded hole plates are placed in a centralized manner according to the varieties, and the varieties and sowing dat...
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How do seedling trays grow seedlings
Oct 28,2022
Before seedling, put the seeds into warm water at about 50℃ to soak for a period of time. After the seeds are white, they can be evenly spread into the soil. After that, the seeds can be seeded into the soil dish one by one, and watered properly to protect moisture. Seedling tray method of seedling raising The substrate should be prepared first when using the seedling tray. Plant ash,...
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What is Tunnel greenhouse? The simplest vegetable greenhouses can also be done very practical
Oct 31,2022
To say that the field of greenhouse cost is the cheapest form of Plastic Single Span greenhouse, then it is inserted in the vault. It is a form of direct insertion into the ground with the curved sides of a circular tube. This kind of greenhouse is used a lot in central China and South China, and is favored by ordinary growers because of its low cost. First, Tunnel greenhouse data parameters ...
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Analysis of greenhouse steel pipe generally have what kind?
Nov 14,2022
As the growing area of greenhouses is larger and larger, it means that the number of greenhouses should increase. If the service life of the greenhouse is long enough, the quality of the main steel pipe must be better. Today, I will introduce to you what kinds of greenhouse steel pipes there are. 1. Welded pipe: It is made of steel plate or strip steel as raw materials, first rolled and formed, an...
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Comparison of the advantages and disadvantages of flat cultivation and A-frame hydroponic systems
Feb 07,2023
NFT is the abbreviation of Nutrient Film Technique, which is one of the important hydroponic technologies capable of commercial production. The principle behind the NFT hydroponic system is simple. It can maintain a thin water film in the NFT planting tank throughout the life cycle of the crop, and the plant roots absorb the nutrient solution flowing in the tank to obtain the required nutrients an...
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How to control the light time in the smart greenhouse?
Apr 14,2024
In fact, in the production of smart greenhouses, the lighting time is generally controlled according to the type of plants, and can also be adjusted by intermittent supplementary light or shading. By appropriately reducing the light intensity, prolonging the lighting time, increasing the proportion of scattered radiation, and alternating intermittent or weak light, the light utilization efficiency...
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