Cotton verticillium wilt is the best prescription
1. The consequences of rotation are good. The use of clinical theory and superstitious experiments have confirmed that one year can increase the incidence of disease by 20%, increase the incidence of disease by 30% in 2 years, and increase the incidence of disease by 45% in 3 years. Aggravate 65% of the disease in 4 years.
2. Potassium fertilizer is very effective. The rate of Verticillium wilt in cotton fields with potash fertilizer and inorganic fertilizer was significantly lower than that of the control. Therefore, in the application of nitrogen, phosphorus, trace fertilizer basically, moderate fertility plot Mushi pure potassium 10 kg, farm inorganic fertilizer 2 square, can increase the production of Verticillium wilt.
3, site formation disease light. Smooth cotton fields, eliminate dead areas, fill in trenches and waves, and improve drainage systems. To avoid the accumulation of water in the cotton fields after the rain is one of the ways to prevent cotton verticillium wilt from neglecting negligence.
4, choose the original species have a guarantee. The national trials and provincial trials introduced by the scientific research section are usually selected through the disease nursery and are resistant to disease. Planting cotton seed is one of the most economical and useful ways to prevent Verticillium dahliae in cotton.
5, delay sowing disease resistance. Insect-resistant cotton is mostly a medium-early-maturing species, and harvesting should not be premature. The early stage of harvest is low, the flowering buds are early, the harvest is quicker, the seedlings are stronger, and the disease resistance can be strengthened.
6, remove the film for a short time to mention resistance. The mulch cotton should be uncovered from the bud to the early flowering period, and the mulch cotton usually enters the budding period on June 20th. During this period, the uncovering film can promote the root barrow and improve the resistance and disease resistance of the cotton. At the same time, cultivating soil through the process to complete the drought can be poured, can be arranged.
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How do WiFi Camera Work ?
Monitoring cameras can also be installed without a network, but some functions cannot be used, such as remote monitoring. In order to make it easier for you to understand the knowledge related to the surveillance camera, I will use popular language to popularize science for you.
1: Camera introduction
Camera is an intelligent device that can capture and record video and monitor the environment in real time. It can not only record video, but also detect moving objects, sound, smoke, and even recognize faces.
The advantages of the camera are very obvious. It can help people better monitor the safety of their homes or offices, and help protect the safety of family members or office staff. In addition, it can also provide real-time video monitoring, provide more security guarantees, and help people better grasp the current security situation.
Among them, "intelligent camera" is a new technology in recent years, which can monitor the environment in real time and conduct intelligent identification. The intelligent camera adopts high-definition camera technology, which can clearly capture the on-site images within the monitoring range and conduct real-time monitoring. It can also analyze the captured pictures to identify the designated person or object, thus realizing intelligent monitoring.
In addition, the smart camera can also support remote monitoring. You can remotely view the real-time image of the camera through your mobile phone or computer, allowing users to view the image of the camera anytime and anywhere, to better protect the security of your home or office.
At present, cameras have been widely used in the security industry to monitor buildings, parks, schools and other places to protect the safety of the people. It can also be used in commercial places to help businesses achieve intelligent management, improve business environment and improve service quality.
2: Working principle of camera
The working principle of the camera is to reflect the light to the sensor, convert the signal captured by the sensor into a digital signal, and finally send it to the computer to display the image. Then the camera can capture the static and dynamic images in the picture.
The sensor of the camera is the most important part. It can capture light and convert it into electrical signals. There are many types of sensors, the most common are CCD and CMOS sensors, which can be used to capture images.
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