Drip irrigation is a form of micro-irrigation. It is a kind of drip irrigation method that pressurizes and filters water, sends it through a low-pressure pipe to a dripper, and drips into the root of crops in a drip manner. The fertilizer to be applied is dissolved in water to perform this method. Irrigation is drip fertilization. Advantages of drip fertilization: 1. Increase fertilizer rates. For conventional fertilization, the fertilizer utilization rate is only 30% to 40%, and the utilization rate of fertigation fertilizer for drip irrigation is more than 80%, which is more than one-half of normal fertilizer fertilization. 2. Water saving, even irrigation. Than the water temperature and irrigation water, one-half, uniformity up to 80% -90%. 3. Reduce greenhouse temperature, reduce pests and diseases, suppress weeds, and improve crop quality. 4. Reduce soil degradation (eg, lower soil pH, secondary salinization of soil) and groundwater contamination. 5. Save labor. Each mu of greenhouse can reduce 10 workers such as watering, fertilizing and spraying. 6. Increase production and increase income. Generally can increase the output 15% -20%, mu net increase of more than 1,000 yuan.
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