Irrigation system in irrigation and drainage design?

What is the irrigation system in the design of irrigation canal? The following is a detailed introduction of Zhong Da Consulting for your reference.

Article 4.2. 1 Irrigation system is the main part of irrigation planning and design, and it is the basic basis of water and soil resources balance and canal system design.

Article 4.2.2 The main contents of the irrigation system include: irrigation quota (the sum of net irrigation amount per mu before sowing and during the growing period), irrigation quota (net irrigation amount per mu), irrigation time and irrigation times.

Article 4.2.3 The irrigation system shall be formulated according to the natural conditions, crop composition and rotation system of the irrigation area, taking into account the improvement of agricultural technical measures and irrigation methods, summarizing the local advanced irrigation experience through investigation and research, and combining with the irrigation test data. It can also be designed according to the water balance principle of local test data.

Salinization and coastal areas should consider using salt washing water. If conditions permit, we should also consider specific irrigation measures to improve saline-alkali land by introducing red silt.

Article 4.2.4 The crop composition, planned output and rotation system of the irrigation area can be studied and formulated by the design department and the agricultural department with reference to the requirements of agricultural planning and water conservancy zoning.

Article 4.2.5 When there are great differences in meteorology, hydrology, soil, hydrogeology and crop planting in the irrigation area, the irrigation system shall be formulated by districts.

Article 4.2.6 The irrigation system shall adopt the calendar year method, and shall be formulated according to the crop water demand and the rainfall process over the years. In areas with abundant water resources, typical years can be selected for design according to the rainfall frequency during the crop growing period.

Article 4.2.7 Crop water demand is the main basis for designing irrigation system, which should be determined according to the test results of local or similar natural areas, or estimated by formula.

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