What are the methods of micro-irrigation of greenhouse vegetables in winter:
Temperature and moisture are important factors that restrict the growth and development of greenhouse vegetables and affect the yield and quality of vegetables. Micro-irrigation technology is an irrigation method with less investment, quick effect, long-lasting durability, uniform irrigation, water conservation, no damage to soil structure, no reduction in ground temperature, and no exposure to shed film.
Micro-irrigation is based on the needs of vegetable growth and development. The pump uses a pressure pump to systematically transport and distribute water to the roots of vegetables to meet the needs of vegetable growth and development, effectively improving soil moisture, nutrients, ventilation, temperature, etc. The normal growth and development of vegetables.
The micro-irrigation system mainly includes several parts of water source, water supply, water supply, fertilization, etc.:
Water is the primary factor in irrigation systems. The water hole of the micro-irrigation belt is very small, and the water source is required to be clean and free of impurities. When applying the chemical fertilizer, the impurities in the chemical fertilizer solution should be excluded to avoid blocking the water outlet hole; the pump often uses a single-stage single-suction clean water pump, such as bx40~12, bx40. ~15; 25pe ~ 40pe pipe for inlet and outlet pipes; 40 type micro-irrigation belt for water supply pipe. The micro-irrigation belt has a water outlet of 20 to 40 mm and a water output of 0.02 liter/hour. Insert a sealed 10pe pipe into the water inlet pipe of the pump and put it into the fertiliser tank. When the pump is running, inhale the fertilizer solution and send it to the root of the vegetable.
The production practice proves that micro-irrigation saves water and labor, which is beneficial to control the temperature and humidity in the greenhouse, which is beneficial to increase the ground temperature, reduce the disease, save pesticides, and provide a suitable environment for vegetable growth. Compared with furrow irrigation, the yield can be increased by 10%. ~20%.
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