Some land requires irrigation or drainage before it is possible to use it for any agricultural production; other land profits from either practice to increase production. Diesel or centrifugal pumps are sometimes used to … 7.2.1 Water salinity 7.2.2 Soil salinity. Performance Benchmarking in the Irrigation and Drainage Sector Experiences to date and Conclusions OD 155 iv R. 1.0 abcd Summary continued charged with the management of irrigation and drainage infrastructure. Jalan Sultan Salahuddin, 50626 Kuala Lumpur, Malaysia. Adama University, SOE & IT Irrigation and Drainage Engineering Civil Eng’g & Architectures Department [surveying Engineering stream] By Te2 ssema B. 5.4 Drainage system. It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually unchanged for thousands of years.. Regulating and control structures – headgates, checks, Irrigation water sources and methods of storage, water and soil relationship, salt accumulation and leaching, Water flow through the soil, the quantity and quality of water used in irrigation systems, surface and underground irrigation, drainage, wells and its use for irrigation, water measurements, laws and legislation for irrigation. A critical problem confronting mankind today is how to manage the intensifying competition for water between expanding urban centres, traditional agricultural activities and in-stream water uses dictated by environmental concerns. https://www.thefreedictionary.com/Irrigation+and+Drainage, According to the data of Planning Commission, a sum of Rs 2,600 million has been released for Extension of Right Bank Outfall Drain (RBOD-II), Rs180 million for Lower Indus, More than 20 people were killed in November due to heavy rainfall and flooding in Alexandria and Behiera, prompting Prime Minister Sherif Ismailto enforce an emergency plan to revamp the, After the World Summit in 1992, the International Committee on, Reuse of drainage water for crops has distinct economic incentives and many crops are known to be highly tolerant to salinity but it needs to check and manage, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Rs 10,376 mln released for various water projects so far, Al-Sisiurges emergency efforts to prevent flooding, Development and application of fuzzy analytical hierarchy Process model for the management of agricultural drainage water, IMPACT OF DRAINAGE WATER USE FOR CROP IRRIGATION, An approximate method for estimating nutrient loads in drainage water from a coastal irrigated area, Irrigation and Water Resources Finance Corporation, Irrigation Association Education Foundation, Irrigation Industry Association of British Columbia, Irrigation Management for Crop Diversification. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. A drainage system is needed on irrigated lands to control the water table and ensure that water will be able to move through a soil, thus keeping salts from accumulating in the root zone and making the soil unproductive. 6.1 Need for drainage 6.2 Different types of drainage. FAO IRRIGATION AND DRAINAGE PAPER 45. by W.R. Walker Professor and Head Department of Agricultural and Irrigation Engineering Utah State University Logan, Utah, USA (Consultant to FAO) FAO FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Rome, 1989 CHAPTER ONE 1. 8518 of the Borrower dated July 30, 1999; However, performance benchmarking cannot, in isolation, bring about significant reform of the irrigation and drainage sector. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. IRRIGATION. Flood can be defined as a body of water, rising, swelling and overflowing land not usually thus covered. Surface irrigation is where water is applied and distributed over the soil surface by gravity. Definition of Flood. Many studies have been made of techniques to suppress evaporation. Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. 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