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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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Cooling solutions for the African greenhouses
May 07,2024
Intelligent fixed roof vents continuous PE film greenhouses are specially designed for the African market to produce year-round, with the advantage that the climate inside the greenhouse can be regulated by the cooling system. How can the cooling system of our greenhouse be lowered to the temperature of normal plant growth? Today Jamie from Xiamen Wellgain Greenhouse Engineering Co., ...
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Study on substrate of lettuce seedling in subtropical hydroponic culture
May 13,2024
The experiment was carried out on hydroponic lettuce seedlings by using three seedling substrates, namely phenolic foam, sponge and mixed substrate, to explore the influence of different substrates on the seedling emergence and biological yield of lettuce seedlings.。 The results showed that the effects of different substrates were significantly different: At the seedling stage, The emergence rate ...
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Effects of calcium on photosynthetic characteristics, yield and quality of celery in hydro culture
Jun 07,2024
Celery is an annual or perennial herb, rich in vitamins, minerals, flavonoids and volatile oil compounds, is one of the important edible and medicinal vegetables. In facility cultivation, the development of celery industry is restricted by diseases, lack of nutrients and high residue. Soilless cultivation can provide a good growing environment for crops, reduce the occurrence of pests and diseases...
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Analysis of common problems in the use of agricultural films
Jun 12,2024
1. Ageing Usually we do a hand tear test to determine whether the film has aged. In addition, we can test different places to see whether it is local aging or overall aging. The most common problem is that farmers use sulfur or halogen ( Cl, Br , etc.), which makes the UV stabilizer added to the film lose its effectiveness, thereby accelerating the aging of the film. When the fi...
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