1. **Seeding - Emergence Period**: Although the water requirement is relatively low during this stage, it is crucial for successful germination. Ensuring proper soil moisture before planting is essential to promote uniform emergence. If the soil is too dry, it's important to water the field immediately after sowing to support seed activation and early root development.
2. **Emergence - Jointing Stage**: During this phase, corn plants require less water, and they are more drought-tolerant. In spring corn areas, a slight drought can actually be beneficial by encouraging stronger root development and healthier seedlings. However, extreme dryness should still be avoided to prevent stress on young plants.
3. **Jointing - Big Bell Mouth Stage**: As the plant grows rapidly, its water needs increase significantly. Maintaining consistent soil moisture during this period helps support stem elongation and leaf development. Adequate irrigation ensures that the plant can reach its full growth potential without stress.
4. **Big Bell Mouth - Silking Stage**: This is the most critical period for water demand, lasting about a month. The plant is especially sensitive to moisture levels around the time of silking. Severe drought during this time can lead to poor pollination, as the silks may dry out and fail to receive pollen. This can result in barren ears and significant yield losses. If drought occurs, immediate irrigation is necessary to maintain productivity.
5. **Grain Filling - Maturity**: Water demand decreases as the plant matures, but moisture levels still play a key role in determining grain weight and quality. Drought during this stage can reduce kernel size and final yield. Therefore, maintaining adequate moisture until the end of the growing season is important for maximizing harvest results.
Doorbell Camera
1. Considering the limitation of storage space and storage cost, as well as the fact that video recording in public places such as residential areas is a prerequisite for multi slot and a certain degree of clarity, video recording is generally deleted once a week or so. 15 days for general entertainment venues, 26 days for financial industry, and 3 months to half a year for banks, depending on the current venue regulations
2. The length of the storage time of the monitoring video is generally related to the following points: the capacity of the host's hard disk. Generally, a camera needs about 0.3G-0.5G of hard disk capacity for 24 hours of continuous video recording. Different systems have different parameters, the minimum is 0.15G/24 hours;
3. The number of cameras. The more cameras, the more capacity required. Also, the selection of the resolution and picture quality of the recorded picture will also affect the capacity required for video storage;
4. The video recording mode will also affect the space required for storage. The video recording mode is generally divided into [Mobile Video Recording] and [Continuous Video Recording]. The former means that the host starts to record when a moving object passes through the monitoring range, and does not record at other times. This can reduce the storage space required for video recording; On the contrary, continuous video recording is 24-hour continuous video recording.
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