Increase the amount of water and fertilizer to promote fruit picking. At this stage, the amount of water and fertilizer for tomatoes should be further strengthened. On the one hand, the temperature rises, and the growth of tomatoes is strengthened; on the other hand, when the harvesting season is in full bloom, when a large number of fruits are picked, it is necessary to increase the amount of water and fertilizer to ensure the concentration of tomato production. But it does not mean that every time you water, you must flush the fertilizer into the ground. Use three water and two fertilizer measures, that is, water three times, flush two fertilizers, and empty the remaining one to give the tomatoes a buffer space. . Watering should be done every 7 days in normal weather, combining large water and small water, once large water and once small water. The top dressing is mainly nitrogen, phosphorus and potassium flushing fertilization, supplemented by other types of biological bacterial fertilizers, each acre can be flushed twice with urea 12.5-15 kg + Ciba dihydrogen potassium 1.5-2 kg, supplementing nitrogen, phosphorus and potassium to promote fruit expansion And the coloring of the fruit, once more Yiwei 500g/mu, promote rooting. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone
What is DVR Mini Camera
Dvr, which is called DigitalVideoRecorder in full, is a digital video recorder. Compared with traditional analog video recorders, dvr uses hard disk for recording, so it is often called hard disk recorder, also called DVR. It is a set of computer system for image computing, storage and processing. It has the functions of long-time video recording, recording, remote monitoring and control of images/voice and dynamic frames. DVR integrates five functions, including video recorder, picture splitter, PTZ lens control, alarm control, and network transmission. One device can replace a large number of devices in the analog monitoring system, Moreover, it has gradually gained advantages and popularity in terms of price.
The function of DVR, with the increase of various voltage sensitive loads in the distribution network, puts forward higher requirements for power quality. However, due to system accidents in the power system, the voltage flicker, drop and other disturbances caused by the startup and shutdown of large equipment, lightning stroke and other principles are unavoidable. Moreover, in the current power grid, the ability to quickly restore power supply after power interruption is far from meeting the requirements of many sensitive loads. Therefore, it is necessary to provide users with stable and uninterrupted high-quality power when interference occurs. Dynamic voltage recovery (DVR) is the choice to solve the above problems today. DVR is connected in series to the feeder line that requires high-quality power to realize dynamic real-time voltage compensation for the line, so that the load end can get the desired high-quality power, and ensure the normal and uninterrupted operation of sensitive user equipment.
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The "digitalization" of DVR means that compression and storage technology is aimed at digital signals, rather than directly transmitting digitally encoded video images. Therefore, DVR must be deployed near the analog camera.