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Water and fertilizer integration technology, refers to irrigation and fertilization integration of new agricultural technology. The integration of water and fertilizer is to combine soluble solid or liquid fertilizer with irrigation water by means of pressure system (or natural drop of topography), according to soil nutrient content and fertilizer demand law and characteristics of crop species, water supply and fertilizer supply through controllable pipeline system, drip irrigation is formed through pipes and drips, and the growth area of crop root system is infiltrated evenly, regularly and quantitatively, so that the main root soil can always maintain loose and suitable water content; At the same time, according to the characteristics of different crops, soil environment and nutrient content, different growing period of crops need water, the law of fertilizer demand for different growth period of demand design, water, nutrients timing and quantitative, according to the proportion of direct supply to crops.

Scope

This technology is suitable for fixed water sources such as wells, reservoirs and reservoirs, and has good water quality and meets the requirements of micro-irrigation. It is mainly suitable for facility agriculture cultivation, orchard cultivation and field cash crop cultivation such as cotton, as well as other crops with better economic benefits.

Overview of advantages

The advantage of this technology is that the fertilizer efficiency of irrigation and fertilization is fast and the nutrient utilization ratio is improved. It can avoid the problem of volatilization loss, slow dissolution and slow effect of fertilizer applied in dry topsoil, especially the problem of volatilization loss of ammonium and urea nitrogen fertilizer applied on the surface, which can save nitrogen fertilizer and benefit environmental protection. Therefore, the integrated technology of water and fertilizer greatly improves the utilization rate of fertilizer. According to Professor Zhang Chenglin of South China Agricultural University, irrigation fertilization system saves 50%~70% fertilizer than conventional fertilization, and at the same time, it greatly reduces the water pollution caused by excessive fertilization in vegetable and orchard facilities. Because the integrated technology of water and fertilizer can meet the needs of crops to "eat and drink enough" in the critical growth period through artificial quantitative control, and put an end to any deficiency symptoms, the yield and quality of crops can be achieved in production.

Technical essentials

The integration of water and fertilizer is a comprehensive technology, which involves many aspects, such as farmland irrigation, crop cultivation and soil tillage. Its main technical essentials should pay attention to the following four aspects:

First, establish a drip irrigation system. In the aspect of design, the buried depth, length and irrigation area of pipeline system should be designed according to the basic conditions such as topography, field block, unit, soil texture, crop planting mode and water source characteristics. The integrated irrigation method of water and fertilizer can adopt pipe irrigation, sprinkler irrigation, micro-spray irrigation, pump pressurized drip irrigation, gravity drip irrigation, seepage irrigation, small pipe outflow and so on. Especially avoid flood irrigation, which can easily cause nitrogen loss and reduce water use efficiency.

Design fertilization system. In the field to be designed for quantitative fertilization, including the location, capacity, outlet, fertilization pipeline, distributor valve, pump fertilizer pump, etc.

Select suitable fertilizer types. Optional liquid or solid fertilizers, such as ammonia, urea, ammonium sulfate, ammonium nitrate, monoammonium phosphate, diammonium phosphate.

After years of continuous innovation and development, we have grown into a Commercial Venlo Type Polytunnel Glass Greenhouse with Hydroponics System for Tomato/Lettuce/Strawberry/Cherry/Herb Planting supplier integrating design, research and development, production and sales. Our company actively adapt to the market development trend with its strong development advantages, high starting point and high standard. We integrate design, R&D, production, sales, and service, we also can customize products and provide complete solutions according to customer needs.

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