Although the bean varieties suitable for greenhouse cultivation are not strict with the requirements of the light hours, the light intensity requirements are relatively high, especially during the flowering and sitting pods, if the light is insufficient, the beans will fall into the pods. Because the growth of the bean seedlings is in a low temperature and low light environment. Planting a new high-fat film and watering it to prevent infection of the bacteria and increase the photosynthesis intensity. Then paddle and cover the entire film.
After the bean vines are inserted into the frame, all the scorpions below the first ear flower can be erased. When the main vine climbs to the top of the frame, the heart is picked, and the later side pedestal pods are also topped. The main vine picking promotes the growth of the side branches, and the smearing and side branching promote the growth of the beans.
The suitable growth temperature of the beans is 20 ° C ~ 25 ° C. During the flowering period of the beans, the daytime temperature and the nighttime temperature and the temperature difference between day and night should be mastered. The standard of the bean buds in the pods is shed at 17 °C, and the stalks are sprayed on the beans to grow the pollen. Fertilization quality, improve fruit yield and quality, reduce the rate of fruit drop, reduce the incidence of cracked fruit, stiff fruit, and abnormal fruit, so that the fruit and fruit can be produced in succession.
Field management should be strengthened during the bean growing season. Appropriate close planting, ventilation and light transmission, increase the application of phosphorus and potassium fertilizer, improve the disease resistance of the plant, spray the targeted agent on the early stage of the disease to prevent and control the bean worm, and then cooperate with the new high-fat film to inhibit virus replication and improve the control effect, interval 7- 10 days, continuous spraying 2-3 times.
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What is Battery Mini Camera
Micro camera is a product of modern high-tech, also known as micro monitor. It has the characteristics of small size, powerful function and good concealment.
Micro cameras are widely used in aviation, commerce, media, enterprises, institutions, families and other industries. The appearance of micro cameras has brought convenience to people's lives, and at the same time, some phenomena related to corporate secrets and personal privacy have also emerged A9 Mini CameraWireless
Wireless equipment is used stably in domestic wireless environment. The micro wireless surveillance camera has the characteristics of high stability, high speed, long distance and multi-point testing. It can play a huge role in the fields of environment, energy, construction, transportation, medical treatment, industrial machine condition monitoring, etc., especially when the cabling is complex, the cabling cost is high, the long-distance and large-scale transmission of data and the mobility demand is high. Secret Video camera
The main structures and components of the camera can be listed from the working principle of the camera:
1. LENS
Lens structure, consisting of several lenses, including plastic lens or glass lens
2. Image sensor
It can be divided into two categories:
CCD (charge couple device): charge coupled device
CMOS (complementary metal oxide semiconductor): complementary metal oxide semiconductor
3. Digital signal processing chip (DSP)
There are many DSP manufacturers, such as VIMICRO 301P/L, SONIX 102/120/128, ST (Logitech LOGITECH's DSP provider), SUNPLUS (SUN+focuses on the development of CIF and VGA for single chip, but the image quality is average), PIXART (original phase), PAC207, SQ930C, etc.
4. Power supply
Two working voltages are required inside the camera: 3.3V and 2.5V. The latest process chip can use 1.8V.
Some cameras also use video transmission lines for synchronous power supply without external power lines.
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Shenzhen Fuvision Electronics Co., Ltd. , https://www.outdoorsolarcamera.com