Any crop has the best harvest period, so do you know when the best harvest time for corn? Let’s take a look!
First, look at the tasseling period
Most of the corn is pollinated after 3 days of tasseling. The criteria for determining the optimal harvesting period are: the spring sowing corn is about 25 days after the tasseling, the autumn sowing corn is about 28 days before the tasseling; the spring sowing sweet corn is about 22 days before the tasseling, and the autumn sown sweet corn is about 24 days after the tasseling.
Second, look at the color of the tassel (ceiling)
Picking the appropriate corn, the top of the tassel begins to dry, but the withered portion does not exceed 50% of the tassel. If the tassel has not changed color, it means that it has not yet reached the harvest period.
Third, the corn must color
Unpollinated corn must be bright red, and the color of the filament becomes gradually deeper after pollination. If the filament starts to zoom, it can be harvested in batches.
Fourth, look at the maturity of the plants around the field
Because the light, temperature and gas of the surrounding corn plants are more than 3 days earlier than most plants in the field, it can be inferred that the harvesting of the corn in the field is suitable.
The specific harvesting period of corn should be comprehensively considered according to the climate situation, market sales, labor and transportation, processing capacity, and utilization of straw. The quick-frozen processing of fresh fruit spikes is more “old†than the direct marketing, and it is harvested about 2 days later. After harvesting fresh fruit spikes, it is required to be sent to the factory for processing or listing on the same day, and try not to be overnight; if it is to be sold overnight, it should be arranged before the evening.
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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