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Integration of water and fertilizer

        The integration of water and fertilizer is a comprehensive technology, which involves farmland irrigation, crop cultivation and soil tillage. The main technical points of water and fertilizer should be paid attention to in the following four aspects:
First, it is to establish a set of drip irrigation system. In the design aspect, the depth, length and area of the pipe system should be designed according to the basic conditions such as terrain, field, unit, soil texture, crop planting mode and water source characteristics. Water and fertilizer integrated irrigation methods include pipe irrigation, sprinkler irrigation, micro sprinkler irrigation, pump pressure drip irrigation, gravity drip irrigation, seepage irrigation, and small pipe outflow. In particular, avoid flooding with heavy water, which is easy to cause nitrogen loss, and also reduce water use efficiency.
        Two. Fertilization system. The field should be designed for quantitative fertilization, including the location and capacity of the reservoir and fertilizer pond, the outlet, the fertilizer pipe, the distributor valve and the pump fertilizer pump.
        Three, choose suitable type of fertilizer. Optional liquid or solid fertilizer, such as ammonia water, urea, ammonium nitrate, ammonium nitrate, ammonium phosphate, ammonium phosphate, potassium chloride, potassium sulfate, potassium nitrate, calcium nitrate, Magnesium Sulfate and other fertilizers, the solid state is preferred in powdery or small mass, which requires strong water solubility and less impurities. Generally, it should not be used as a granular compound fertilizer (including domestic and foreign production). If we use biogas slurry or humic acid liquid fertilizer, we must leak through it, so as not to jam the pipeline.

        Four. The operation of irrigation and fertilization.
        1. dissolved and mixed fertilizer: the application of liquid fertilizer does not need to be stirred or mixed, the general solid fertilizer should be mixed with water and mixed into liquid fertilizer, when necessary, separation, avoid precipitation and other problems.
        2. fertilization control: when fertilizing, we should master the dosage, and the appropriate concentration of the injected fertilizer is about 0.1% of the irrigation flow. For example, the irrigation flow is 50m3/ mu, and the fertilizer injection is about 50 L / mu. Excessive application may cause crop death and environmental pollution.
        3. the procedures for irrigation and fertilization are divided into 3 stages: the first stage, the use of moisture free water with no fertilizer, the second stage, the application of fertilizer solution irrigation, and the third stage, cleaning the irrigation system with non fat water.
        In a word, the technology of integration of water and fertilizer is an advanced and practical technology to increase efficiency and increase efficiency. In a conditional agricultural area, as long as the initial investment is solved, and the technical force is supported, the popularization and application will become an effective measure to increase the income of agriculture.

        Implementation effect
        Save water, save labour and labour, reduce humidity, reduce disease and increase production efficiency.
        1. Balance of water and fertilizer
        The traditional way of watering and dressing is that the crops will not be able to eat and drink evenly for several days. And the scientific irrigation method can be supplied at any time according to the rule of crop water requirement and fertilizer, so as to ensure that the crops "eat comfortably and enjoy themselves".
        Two. Time saving and time
        Traditional furrow irrigation and fertilization are time-consuming and time-consuming. And using drip irrigation, just open the valve, close the switch, almost no work.

        Three. Save water and save fertilizer
        Drip irrigation, water and fertilizer integration, direct the fertilizer needed by the crop to the root of the plant, the crop "slow drink", greatly improve the utilization of fertilizer, can reduce the amount of 50% of the fertilizer, the amount of water is only 30%-40% of the furrow irrigation.
        Four, alleviating disease
        Many diseases of crops in the greenhouse are soil borne diseases and propagate with water. Such as Pepper Blight and tomato wilt, drip irrigation can directly and effectively control the occurrence of soil borne diseases. Drip irrigation can reduce the humidity in the shed and reduce the occurrence of disease.
        Five. Temperature control and humidity control
        Drip irrigation in winter can control watering volume, reduce humidity and raise ground temperature. The traditional furrow irrigation can cause the poor soil consolidation and permeability, and the root of the crop is in the condition of anoxia, which causes the root retting, and the use of drip irrigation avoids the problems of crop retting and yellow leaf caused by excessive watering.
        Six, increase output, improve quality and increase economic benefits.
        The project investment of drip irrigation (including pipeline, fertilizer pool, power equipment, etc.) is about 1000 yuan per mu, it can be used for about 5 years, and the fertilizer and pesticide will be at least 700 yuan per year, and the increase of production can be more than 30%.

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