With winter gone and spring arriving, how should the water and fertilizer integrated system be cleaned?

The integrated water and fertilizer system utilizes the principle of crop nutrient absorption, combining irrigation and fertilization processes. Fertilizer is dissolved in water and delivered through a pressure irrigation system for simultaneous water and fertilizer management, improving water and fertilizer utilization efficiency. In recent years, with the continuous development of agricultural technology, the integrated water and fertilizer system has gradually become a standard configuration in modern agriculture due to its water and fertilizer saving and precise control advantages. However, in large-scale greenhouses, onceintegrated water and fertilizer systemmalfunctions occur, it will cause unpredictable damage to agricultural production. However, equipment inevitably faces obsolescence and aging. In late winter and early spring, a new wave of agricultural production begins, making cleaning and maintenance of the integrated water and fertilizer system particularly important!

1. Common forms of integrated water and fertilizer systems often combine drip irrigation, spray irrigation, and fertilization. The choice of irrigation equipment should depend on the needs of farmers, crop types, soil conditions, and water source conditions. Existing smart integrated water and fertilizer equipment can achieve automatic irrigation based on real-time crop needs.

Fertilization devices need to be selected based on crop type, crop area, and terrain. Common devices include pressure difference fertilizer tanks, open fertilizer tanks, Venturi injectors, and injection pumps.

2. Fertilizers used in integrated water and fertilizer systems need to meet the requirements of high solubility, fast dissolution speed, and minimal interaction with irrigation water, to avoid clogging spray heads or drippers.

3. The layout of the irrigation system is an important and complex system project that needs to comprehensively consider crop types, terrain, water sources, and irrigation equipment. The arrangement of main and branch pipes depends on the terrain, water source, crop distribution, and capillary arrangement to achieve convenient management and low engineering investment.

In hilly areas, main pipes are often laid along the ridge or along contour lines. Branch pipes distribute water to capillaries on both sides perpendicular to the contour lines. In level areas, main and branch pipes should be controlled bidirectionally as much as possible, with lower-level pipes arranged on both sides to save materials. The arrangement of capillaries and water applicators mainly depends on the type of crop and the type of water applicator selected.

4. How crops are irrigated needs to be determined based on the water demand of the crop growth period, soil moisture content, soil properties, and crop root system conditions, formulating a reasonable irrigation system, and determining the irrigation water volume, irrigation frequency, and time for each growth stage of the crop.

The integrated water and fertilizer system needs to ensure the depth of the soil moisture layer for crops. For example, the planned wetted depth for vegetables should be 0.2-0.3 m, and for fruit trees, it should be 0.3-0.8 m depending on the variety and age. The maximum allowable water content for crop irrigation should be controlled at 85%-95% of the field capacity, and the minimum allowable water content should be controlled at 55%-65% of the field capacity.

Fuzhou Yong Run Irrigation Equipment Co., Ltd., a professional agricultural water-saving irrigation company. Mainly engaged in agricultural water-saving irrigation and garden irrigation products, and provides design, installation, and construction guidance for agricultural and garden irrigation projects. The company mainly produces: solenoid valves, pressure reducing valves, pressure holding valves, pressure relief valves, laminated (disc) filters, mesh filters, centrifugal vortex sand removers, automatic backwashing filter systems, Venturi fertilizer injectors, air release valves, plastic molds, etc. Products are widely used in modern agricultural water-saving irrigation, garden water-saving irrigation, water treatment, etc., for primary and high-precision filtration of water quality. Rich experience has enabled products and services to be recognized and praised by many users. Main products: agricultural water-saving irrigation, garden irrigation, automatic control of filtration equipment, water supply and drainage equipment, spray and drip irrigation.