The role of integrated water and fertilizer application machines in agriculture
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Release time:
2020-10-05
Smart water and fertilizer integrated equipment, also known as smart water-saving irrigation equipment management, is developing towards informatization, automation, and high efficiency. Smart technologies, computer application technologies, and meteorological data monitoring technologies are being successively applied to irrigation area information management and operational decision-making. At the same time, foreign countries also attach great importance to the development and application of irrigation water management software, and irrigation water management has basically reached the level of informatization, automation, and multi-functionality.
Currently, most irrigation water cannot be fully utilized. Some is lost due to high irrigation intensity forming runoff, and some is lost due to evaporation. However, the greatest waste comes from excessive irrigation. The soil's water retention capacity is limited. Irrigation can at most bring the soil moisture content to this upper limit. Irrigation water exceeding this upper limit is lost through deep percolation below the plant root zone, cannot be retained by the soil, and cannot be utilized by plants. Therefore, when using irrigation systems, the irrigation depth should not exceed the depth of the plant's main root activity. Intelligent control can be set according to the minimum ET value to achieve the goal of different irrigation depths of the plant root system.
Achieving intermittent irrigation: In places with large slopes and poor soil permeability, smart water-saving irrigation equipment needs to divide the irrigation time into several time periods to avoid runoff losses, achieving "intermittent irrigation".
Fertilization is fast; fertilization of a thousand-mu orchard can be completed within one day; flexible, convenient, and accurate control of fertilization time and quantity; enhanced ability of fruit trees to resist bad weather; helps prevent fertilizer leaching into groundwater and polluting water bodies; conducive to standardized cultivation. Due to the coordinated effect of water and fertilizer, water consumption can be significantly reduced. Coupled with the water-saving effect of facility irrigation, water saving reaches more than 50%; drip irrigation fertilization can reduce the spread of diseases, especially waterborne diseases; drip irrigation fertilization only moistens the root layer, and there is no water and fertilizer supply between rows, so weed growth will also be significantly reduced.
Drip irrigation can deliver pesticides, which has a good control effect on soil pests, nematodes, and root diseases; for heavier soils, bury the drip irrigation pipes at a certain soil depth and use an air compressor to irrigate the soil with air to solve the problem of root hypoxia; because drip irrigation can easily achieve precise water and fertilizer control, in the case of deep soil layers, the root system can be introduced into the lower soil layer to avoid damage to the roots by the high temperature of the soil surface in summer.
Drip irrigation fertilization can fertilize according to the nutrient requirements of fruit trees; due to the precise water and fertilizer supply of drip irrigation fertilization, fruit trees grow faster, can Enter the fruiting period earlier, and significantly increase yield and improve quality
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