How to germinate watermelon seeds
1. Sun drying Before the seeds are treated, they need to be dried in the sun, and the drying time should not be too long. Generally, they need to be dried for a few hours to dry out some of the moisture inside the seeds. During the drying, the seeds should be re-heated to be evenly heated to ensure that the water loss is even. Seeds after sun drying are easy to germinate, which is good for seed soaking. 2. Stirring seed soaking For seed soaking, the seeds must be soaked in warm water. Generally, the water temperature is around 50°C. If the skin is thin, the water temperature can be adjusted to ensure that the seeds cannot be harmed. The general water temperature will also gradually drop. Stirring seed soaking, after a period of time when the water temperature drops, you can soak seeds directly without stirring. 3. Insulation and germination The seeds can germinate after swelled by absorbing water, about one to two days after soaking. Germination is mainly heat preservation and germination. There are many methods. For example, the common method is to wrap the gauze in the insulation box to germinate after draining the seeds. Set it between 22°C and 25°C, wash it once a day, and germinate or germinate after a few days. Generally, the seeds are wrapped with a damp cloth, and then wrapped with a waterproof cloth bag, which is sprouted on the body and germinated by body temperature, which can be viewed and removed after the germination. Most methods of germination are heat preservation and germination. Four, rapid germination If you are about to pass the sowing period, but want to sow, you can also urgently germinate, and quickly plant after germinating. However, some special treatments should be performed on the seeds. After soaking, use small scissors to artificially break the seed coat at the top of the seeds. Just cut a small mouth and do not hurt the inside of the seeds. Then put it in the incubator to germinate, so that the white is faster. 5. Sowing Seeds that germinate and show off white should be sown, pay attention to that, the sprouts should be facing down, or covered with thin sand, otherwise the new shoots will easily lose water and die. It is best to sow in containers, not in open fields. Container sowing is easier to manage and saves seeds. After sowing, the fine sand culture soil is directly configured, which is easy to grow and moisturize, which is beneficial to emergence. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone
Network Camera NVR CCTV Kits
The functional mode of NVR technology application is relatively flexible and can meet the functional requirements of today's video monitoring system to a large extent. The small NVR scheme with NVR technology as the core has the advantages of small scale, flexible operation, convenient use, economy and practicality. Its front end mainly supports 8-way 720P high-definition video image access with high-definition video camera, and then realizes the centralized management and real-time storage of high-definition video image information through NVR technology. In addition, this small NVR scheme can also support remote management of video images, preview analysis of video images, real-time upload of gigabit network interface video image data, local preview, video playback and other functions. The small NVR high-definition video scheme has a high overall cost performance ratio, simple system and high operational flexibility. This small NVR high-definition video monitoring system is widely used in the centralized video monitoring field in small areas such as companies, factories, family villas, offices, shops, supermarkets, etc.
NVR technology has been widely promoted and applied in urban safe storage, national security and other engineering projects with its own advantages in many aspects. Driven by market and technology, NVR technology will become the mainstream technology in the field of urban security high-definition video surveillance, with very strong theoretical research and practical application prospects
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On the basis of the secondary network structure, a large NVR high-definition video system is built by converging into the primary network through private networks, optical networks, and public service networks. The storage and forwarding services of the primary network are realized through the industrial control NVR, and the redundant and safe backup of the video monitoring system is realized at the same time. This distributed multi-level coordinated back-end centralized management network mode greatly provides the overall function and fault tolerance of the video monitoring system, highlights the ease of operation and reliability of the high-definition video monitoring system based on NVR technology, and meets the flexibility, multi-function performance, sharing Emergency handling and other functional requirements.