According to statistics from the Ministry of Agriculture, high yields of vegetables and orchards in the past 20 years basically depend on the large-scale application of chemical fertilizers and pesticides to drive away pests. In fact, most of the fertilizers we apply will not be fully utilized with evaporation or dilution with water. Some of the fertilizers will be taken away with the passage of water; The quantity was wasted, which resulted in the waste of water and fertilizer resources in China's agricultural production, and caused a considerable amount of pollution to the environment. If our country's agriculture still insists on the traditional mode of production, if we now grow vegetables and fruits and fertilize with experience, it will seriously delay the development of modern agriculture in our country. Traditional planting production mode not only wastes a lot of human resources and material resources, but also is not conducive to environmental protection, poses a serious threat to the maintenance of water and soil resource structure, and brings serious problems to the sustainable development of agriculture in China.
At present, some companies have used the real-time and dynamic agricultural information network gathering system to address real-time monitoring of information on greenhouses and orchards on a fast, multi-dimensional and multi-scale basis in view of the above-mentioned waste of resources and unsustainable development. The automatic control of intelligent irrigation, intelligent fertilization and intelligent pest control functions in greenhouses, farm fields and orchards based on expert systems. This technology has broken through technical bottlenecks such as the difficulty for users to obtain orchard information, and the low level of intelligence in orchard equipment.
Although the Internet of Things environmental monitoring system has been applied in many greenhouse and orchard cultivars, manual management and production experience still play a leading role in the vast majority of agricultural production. As a result, it is lacking in agricultural production. A lot of scientific guidance. The development of the Internet of Things's modern agricultural production technology has a profound impact on promoting the intelligentization of agriculture.
For example, the agricultural cultivation technology of facilities effectively solves the problems of low agricultural output, low quality of agricultural products, low utilization of agricultural resources, and low income of farmers. This has played a very important role in advancing the adjustment of agricultural structure. The agricultural cultivation technology of facilities has occupied in agricultural production. important position.
If users want to achieve a high level of facility agricultural production, then information acquisition is the most critical technology. The wireless sensor network is formed on the basis of three major modern information technologies (sensor technology, computer technology and communication technology) and is a brand-new information acquisition and processing technology. The wireless sensor network consists of many low-power sensor nodes. It can cooperatively monitor, sense, and collect various environmental information, and after processing it, obtains detailed and accurate environmental parameter information, transmits it to the wireless base station through the wireless network and needs Users of this information, at the same time, can also transmit their desired device instructions over the wireless network to the network node and cause them to perform corresponding tasks.
In the practical application of intelligent greenhouse monitoring system, Chengdu Xinxin Electronic Technology Co., Ltd.'s greenhouse monitoring system can effectively collect information such as ambient temperature and humidity, soil moisture, light intensity, etc., so as to provide an effective data to the user or Management personnel and management personnel can respond to changes in the environment based on this real-time and accurate data, and make corresponding environmental parameter protection measures to ensure that the crops grow in the best environment. If this kind of intelligent monitoring system is applied to several thousand acres of planting sheds, intelligent management and intelligent operation completely replaces the artificial ones, bringing great convenience to large-scale planting.
The Internet of Things has a wide range of applications in agricultural production. The introduction of intelligent monitoring technology for the Internet of Things at different stages of agricultural product production is of great importance to improving the efficiency and management efficiency of agricultural production.
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