Water management. With garlic into the garlic expansion and other critical periods of water demand, coupled with rising temperatures and increased windy weather, increasing demand for water, we must pay full attention to water management, and strive to water once garlic dilate water to meet the water demand of garlic expansion.

Complement fertilizer management. It is a crucial period for supplementing fertilizer to extend the length of garlic until the expansion of garlic.

At this time, we should do a good job of supplementing the root fertilizer in accordance with actual conditions. The following measures can be taken: 1. In combination with irrigation, urea is applied with water. 2. Spray fertilizers from outside the roots can spray the fruit and impetus to improve the absorption of nutrients and enlarging vitality of underground fruits, promote the growth rate, increase the water absorption capacity of plants, and increase fruit yield and quality. 3. Control pest damage. In the middle and late stages of garlic growth, various leaf diseases such as soft rot, leaf blight, and rust, and insect pests such as garlic sprouts, thrips, and leaf miners are easily caused. In early stage of onset, spraying targeted drugs and using it with new high-fat lipid membranes can transform high-toxic pesticides into poisoning. Poisoning pesticides are low-toxic, and low-toxicity pesticides are micro-toxic. Control the volatile and volatile pesticides, prevent the erosion of light rain, reduce the dosage per acre (half), and increase the control effect (multiple times). Foliar fertilizer can also be added to increase efficiency.

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What problems should we pay attention to when using solar energy for power supply?
1. The whole day sunshine time of monitoring points along the expressway shall be considered first. As the main energy of the power supply system comes from sunlight, the sunshine exposure time must be considered, which is particularly prominent in mountainous areas where there is little sunshine, but not in plain areas.
2. Working power, working voltage and current of monitoring facilities along the expressway. After considering the power of the whole load, we can choose the solar panel that is more suitable for the long-term operation of the equipment.
3. If the battery discharge cannot make the monitoring equipment work for a long time, the monitoring system will be paralyzed in the rainy season, but the expressway is prone to accidents in the rainy season.
4. The conversion rate of solar cells is low. At present, the conversion rate of solar cell power supply is only about 20%, that is to say, if the silicon solar cell is spread over a square meter, 100~200W of power can be obtained, which is obviously not enough to meet the long-term operation of the monitoring equipment. Of course, with the development of technology and the improvement of the quality of crystalline silicon cells, we can obtain more power resources in a smaller area in the near future.

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