Longzhou Ocean, Dingcheng Township, Ding'an County, with an area of ​​up to a thousand acres, has recently installed solar insecticidal lamps. According to the person in charge of the relevant departments of Ding'an County, the film Tianyang has installed more than 70 solar insecticidal lamps. This is a relatively advanced green pest control technology for crop pests and diseases, which can better ensure the quality and safety of agricultural products.
It is understood that in order to achieve the goal of green agricultural products, our province has promoted green prevention and control technologies for crop pests and diseases in cities and counties such as Ding'an, and implemented plant protection policies based on prevention and comprehensive prevention, and vigorously promoted agricultural control, biological control, ecological control, and physical control. In the first phase, we selected a 1000-mu melon vegetable planting base in Longchengyang, Dingcheng Town as a demonstration site, installed solar insecticidal lamps, carried out green prevention and control of Tianyang's pests and diseases, and scientifically prevented to prevent crop diseases and insect pests. Secondary pollution generated during the prevention and control process to ensure the quality and safety of agricultural products and effectively improve the farmland ecological environment.
According to the technicians, this solar insecticidal lamp can effectively kill rice planthoppers, rice stem borer, and rice-rolled rice worms, and the insecticidal effect is very obvious.
Xu Shengyao, director of the Ding'an County Science and Technology Bureau and director of the Agricultural Technology Center, said that one lamp can prevent and control 15 mu of land and the insecticidal rate reaches 70%.
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The PV Charge Controller works as a voltage regulator, its primary function is to prevent the Battery from being overcharged by the P.V array, being overly discharged by the load, or both.
Controller types:
• Single Stage controllers:
This type of controllers prevents battery overcharging by switching the PV array off when the battery voltage reaches the state of charge set point. The array and battery are automatically reconnected when the battery voltage reaches a lower value called the charge resumption.
• Pulse Width Modulation (PWM) controllers:
PWM controllers are the most common controller on the market today. These charge the battery by rapidly switching the full charging current on and off when the battery reaches a fully charged state. The length of the charging current pulse gradually decreases as battery voltage rises, reducing the average current into the battery.
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