The planting of hot peppers in greenhouses is a very common problem. Generally, the flowering rate can reach 40%-50% and the fruit drop can be as high as 10%-20%. It is of great significance to reduce the falling and fruiting of the peppers. There are many reasons for falling flowers, but in the aggregate, they are mainly caused by malnutrition, unfavorable climatic conditions, and pest and disease damage. 1. Malnutrition Due to unfavorable cultivation and management measures, such as excessive planting density or excessive nitrogen fertilizer application, the plants are lengthy, the vegetative growth and reproductive growth are unbalanced, and the pepper and fruit nutrition are insufficient and fall off. In the cultivation of greenhouses, the peppers are easier to grow, so falling flowers and falling fruits are common phenomena. 2. Unfavorable climatic conditions In winter and spring, greenhouses often suffer from lack of light, and the temperature is low (less than 15°C), affecting pollination. Even pollination, the fruits are not stunted and fall off easily. This shows even more in cloudy and rainy days. prominent. In the late spring and early summer and early autumn, high temperatures above 35°C often occur in greenhouses, which can cause incomplete development of pepper flowers or dry stigma, and can not pollinate the flowers. Poorly ventilated greenhouses, when the humidity is too large, resulting in pepper powder can not be normal, so that fertilization is difficult to complete fertilization caused by falling flowers. Chili peppers are afraid of earthworms. The accumulation of water in the field can suffocate the roots for several hours, yellow leaves off, plants fall and fall, and the whole plant is dead. 3. Diseases and Insect Hazards After the onset of hot pepper, virus diseases, anthracnose, and leaf blight, etc., can easily cause flowering and fruit drop. If infected with virus disease, often appear dead top phenomenon, resulting in falling flowers and falling fruit; tobacco insects, cotton bollworm fruit capsule; also easy to fall off. To prevent falling flowers and falling fruit, we should start with strengthening cultivation management, mainly to cultivate strong seedlings, timely planting, rational close planting, and scientific fertilization. After the planting, the ventilation and dehumidification were strengthened. The daytime temperature in the shed was maintained at 25-28°C, 15-18°C at night, and the minimum period was 15°C. The shed promotes irrigation under the membrane. Do not flood the reservoir. Through scientific cultivation and management, improve the plant's resistance to stress, pay attention to pest control. In addition to the above measures, 40-50ppm tomato spirit, 5Oppm nicotinic acid spray, dip flowers, or 20-3Oppm 2,4-d can be used to apply flower stalks.
Automatic tracking is divided into three types: one is through embedded video encoder, also known as intelligent visual server; the other is PC software; the other is to directly write the tracking algorithm to DSP chip, and then design the DSP chip as a hardware circuit on the high-speed ball motherboard, and the high-speed ball is directly read. Among the three types, the third type is used most in the current market.
The intelligent vision PTZ automatic tracking and monitoring system consists of an intelligent vision server (responsible for intelligent analysis and command) and a high-speed spherical camera (responsible for tracking targets). The automatic PTZ intelligent tracking function enables the camera to automatically PTZ drive its own PTZ and zoom lens, and automatically control the PTZ camera to rotate the PTZ in all directions and zoom the lens, and perform visual oriented automatic tracking for the locked moving target, so as to ensure that the tracking target continues to appear in the center of the lens with a close-up image, so that the security personnel can see the information more clearly, It can also be used for obtaining evidence afterwards. The automatic PTZ tracking module makes up for the narrow field of vision of fixed camera monitoring, which is an essential function of a perfect security monitoring system.
The intelligent vision PTZ automatic tracking and monitoring system has the target analysis function, and is equipped with a high-resolution camera, a large magnification optical zoom lens and a high speed PTZ, which can automatically capture suspicious targets quickly and accurately. By setting the preset position intelligent vision PTZ automatic tracking monitoring system, the preset position scanning, automatic cruise and other functions can be realized, and many special requirements of intelligent monitoring can also be realized. In addition, the intelligent vision PTZ automatic tracking and monitoring system also has the advantages of beautiful appearance and strong concealment, so it is very suitable for public security intelligent monitoring applications in airports, squares, rail transit, villas, government administrative units, military regions, museums and other types of places.
What is Indoor PTZ Camera
PTZ: In the security monitoring application, it is the abbreviation of Pan/Tilt/Zoom, representing the pan tilt omnidirectional (up and down, left and right) movement, lens zoom and zoom control.
PTZ: In the security monitoring application, it is the abbreviation of Pan/Tilt/Zoom, representing the pan tilt omnidirectional (up and down, left and right) movement, lens zoom and zoom control.Automatic tracking is divided into three types: one is through embedded video encoder, also known as intelligent visual server; the other is PC software; the other is to directly write the tracking algorithm to DSP chip, and then design the DSP chip as a hardware circuit on the high-speed ball motherboard, and the high-speed ball is directly read. Among the three types, the third type is used most in the current market.
The intelligent vision PTZ automatic tracking and monitoring system consists of an intelligent vision server (responsible for intelligent analysis and command) and a high-speed spherical camera (responsible for tracking targets). The automatic PTZ intelligent tracking function enables the camera to automatically PTZ drive its own PTZ and zoom lens, and automatically control the PTZ camera to rotate the PTZ in all directions and zoom the lens, and perform visual oriented automatic tracking for the locked moving target, so as to ensure that the tracking target continues to appear in the center of the lens with a close-up image, so that the security personnel can see the information more clearly, It can also be used for obtaining evidence afterwards. The automatic PTZ tracking module makes up for the narrow field of vision of fixed camera monitoring, which is an essential function of a perfect security monitoring system.
The intelligent vision PTZ automatic tracking and monitoring system has the target analysis function, and is equipped with a high-resolution camera, a large magnification optical zoom lens and a high speed PTZ, which can automatically capture suspicious targets quickly and accurately. By setting the preset position intelligent vision PTZ automatic tracking monitoring system, the preset position scanning, automatic cruise and other functions can be realized, and many special requirements of intelligent monitoring can also be realized. In addition, the intelligent vision PTZ automatic tracking and monitoring system also has the advantages of beautiful appearance and strong concealment, so it is very suitable for public security intelligent monitoring applications in airports, squares, rail transit, villas, government administrative units, military regions, museums and other types of places.
The automatic PTZ tracking and monitoring system integrates optics, electronics, machinery, information processing and network, and is composed of camera, power transmission, motion control device, image analysis, recognition, compression and communication based on high-speed parallel processing. It has the functions of video camera, position control, orientation and lens preset, moving object detection, recognition and tracking, flame and smoke detection and alarm, etc. It can be widely used in buildings, banks, airports, stations, customs, transportation, power, factories and mining enterprises and other security monitoring occasions.
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