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What is the control principle of smart greenhouse
Feb 14,2022
How much do you know about the intelligent greenhouse control system? Everyone who builds a greenhouse knows that when planting in a greenhouse, attention should be paid not only to irrigation and fertilization, but also to the temperature, humidity, and light in the shed, as well as to understand the indoor environment and to ventilate regularly. Therefore, a lot of manpower is required for actua...
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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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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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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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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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