FLOOD IRRIGATION includes several methods: Border strip, basin, contour or bench border irrigation, flooding from contour ditches, wild flooding, and border ditch. The main points regarding this are. elevations . The width of the strip varies from 10 to 15 meters and length varies from 90 m to 400 m. Strips are separated by low embankments or levees. Overhead or Sprinkler Irrigation: In this method an attempt is made to simulate natural rainfall. The border is separated with small parallel low ridges on the sides. Methods # 1. The Border Method of Irrigation. It may vary from 1m2 for growing vegetables and other intensive irrigation to 1- 2 hectares for growing rice under wet land conditions. The water is discharged into the strips via border gates, aluminum syphons or plastic piping, In this method, water is let into the strips by concrete risers. This method is suitable for row crops. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Border Irrigation: In this method, a thin sheet of water advances down the narrow strip between line ridges and water infilters into the soil as the sheet advances, Fig. Water is conveyed to the land by a system of supply channels a swell as laterals. Preparation of land for border strip irrigation is more expensive than for ordinary flooding, but this may be offset by a decrease in water waste because of … Methods of irrigation have both advantages and disadvantages depending on the type. We saw the hierarchy of methods of surface irrigation. check basin , furrow and border strip method, Internal Control Internal Checking Internal Auditing - Auditing By LATiFHRW, Supply and Demand - Modern Economics LATiFHRW, No public clipboards found for this slide, Mehran University Of Engineering And Technology. The most favorable soil for borders is a free-working loam several This method of irrigation consists in turning the water onto natural slopes without much control or prior preparation.… Required fields are marked *. You can change your ad preferences anytime. In this process of drip irrigation, the water drops fall on the root of every plant that is … Your email address will not be published. Oblong plots are preferred to the square plots. Save my name, email, and website in this browser for the next time I comment. Drip Irrigation. Strip size: 10 to 20 m wide, and 100 to 400 m long. In the blog, we are going to learn everything about these two with […] Looks like you’ve clipped this slide to already. Clipping is a handy way to collect important slides you want to go back to later. Advantages The method is one of the most recent developments in irrigation. The border strip has a uniform gentle slope in the direction of irrigation. Border strip needs through land grading and shaping. E. Border strip method of irrigation The field is divided into a number of long parallel (3-10 ni x 50-30() m) strips which is called border. also called irrigation streammay either be in the form of an earthen channel or a lined channel or an underground concrete pipe … … Suitability of Border strip method-This method of irrigation is more suitable for soils with moderately low to moderately high infiltration rates.-This method is suitable for irrigating close-growing crops such as wheat, barley and fodder crops. This irrigation is appropriate for large farms that are cultivated by machines. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. The size of stream should be sufficient to cover the entire basin in a relatively small portion of time required. In this method, irrigation water from the field channel is fed to the border strip by simply creating the field outlet or using siphons or gates. Check flooding and border strip method are two types in surface irrigation, one of the major methods of irrigation. • Lift irrigation system: water needs to irrigated at higher . Let me walk you through check flooding now. These strips are separated by low levees (or borders). Border/bay strip method When using bay or border strip method, the water moves along parallel thin ridges on the surface that are aligned in long strips and in the process of moving the water is absorbed into the soil. Suitability : To soils having moderately low to moderately high infiltration rates. The surface is essentially level between two borders so that the advancing sheet of water covers the entire width of the strip. Uniform distribution and high water application efficiencies are possible if the system is properly designed. The present study was aimed to design an irrigation border to maximize water application efficiency which is very important to meet the growing water needs. Advantages/Pros/Benefits of Border Strip Irrigation System: It is the best method to irrigate close growing crops. At present she works as a freelancer with Vincivilworld where the engineering knowledge gained from the extensive study meets the vision of the website and consistently updated content on civil engineering. […] flooding and border strip method are two types in surface irrigation, one of the major methods of irrigation. Figure 4 illustrates a typical border configuration in which a field is divided into sloping borders. The border is usually adopted where topography permits precise land levelling at a reasonable cost and where relatively large irrigation streams are available. When the irrigation water has progressed to about 80 percent of the length of the border, cut off the irrigation water and … These strips are separated by low levees or borders and run down the predominant or any other desired slope. This depends upon, The following lengths are suggested for moderate condition, The first 6 to 12m length of the strip should be made level to ensure uniform spreading of water. In a levelled ground, the plots are generally rectangular, but if the ground has same initial slope, the checks or levees may follow contours. Contour checks are prepared by constructing ridges along contours at vertical intervals of 6 to 12 cm and connecting them with cross ridges at intervals. To prevent water from concentrating on either side of the border, the land should be leveled perpendicular to the flow. The supply ditch. (2) Border flooding or Border Strip Method In this method, the land is divided into a number of strips, separated by low levees called borders. The border strip should be level cross wise. Border strip, otherwise known as border check or bay irrigation could be considered as a hybrid of level basin and furrow irrigation. Water is turned into each strip through a head gate along one of the narrow sides and flows downhill the length of the strip. 33.2.4 Border Strip Length. The field is divided into a number of bays or strips, each bay is separated by raised earth check banks (borders). To irrigate, water is turned from the supply ditch onto the head of the border. In all the surface methods, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. Each strip is irrigated independently by turning the water in the upper end. Border irrigation is generally best suited to the larger mechanized farms as it is designed to produce long uninterrupted field lengths for ease of machine operations. The drip irrigation method is also called trickle irrigation. The size of the plots depends on the porosity of the soil. In this system, the … Ecological footprint- Methodology, Impact & Examples, Glass Fibre Reinforced Concrete- 4 Constituents Full Guide. Water advances confined and guided by two borders in a thin sheet towards the lower end of the strip. 5 ing a slight change in the borders, so that the latitude as regards rotation is rather wide. Borders can be up to 800 m or more in length and 3-30 m wide depending on a variety of factors. ON CLAY SOILS (INFLOW STOPPED AT 60% OF THE BORDER) ON LOAMY SOILS (IT IS AT 70% - 80% OF BORDER) ON SANDY SOILS (ENTIRE BORDER COVERED) 10. The water spreads and flows down the strip in a sheet confined by the border ridges. When the advancing water reaches the lower end of the strip, the supply of water to the strip is turned off. Check flooding is similar to free flooding except that the water is controlled by surrounding the check area with low, flat levees surrounding each check while in free flooding no such levees are provided and the strips are divided by field channels. Background and Objective: Border strip method of irrigation is a widely used surface irrigation technique which is best adapted to crops like wheat, barley, fodder crops and legumes. The lengthwise slope varies from 0.2 to 0.8 %. However, the more common size varies from 0.03 to 0.06 hectares for medium soils. Low area will receive too much water and high gets too little. of irrigation, water is either ponded on the soil or allowed to flow continuously over the soil surface for the duration of irrigation. Border strip method is otherwise called border strip flooding method. The size of levee depends upon the depth of water to be applies as well as the stability of the soil when it is wet. strips which can be 3-20 metres wide and 100-400 metres long. 17.1. Theme: Newses by Themeansar. These strips are separated by low levees or borders and run down the predominant or any other desired slope. I will surely cover other main categories in another blog. In the border strip flooding method, the farm is divided into a series of strips 10 to 20 metres wide and 100 to 300 metres long. Drip Irrigation Method. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. ... 33.3 Design of Border Irrigation System. In the border strip flooding method, the farm is divided into a series of strips 10 to 20 metres wide and 100 to 300 metres long. (b) BORDER STRIP: This is a controlled method of irrigation. It is Labour requirement is less to … In this method, the farm is divided into a number of. Now customize the name of a clipboard to store your clips. Very little crop land is perfectly level, and the water does not stand at a uniform depth over the entire check. In the border strip, location of the opening(s) should cause sheet flow along the slope guided by the bunds on either side. Water is diverted to the border strips from the following, These run at a flat longitudinal grade. 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See our Privacy Policy and User Agreement for details. The area is divided into strips with bunds either side to check lateral movement ofwater (Fig.1).Inthe strip water moves in an elongating thin sheet. BORDER STRIP IRRIGATION IRRIGATING BORDERS BORDERS ARE IRRIGATED BY DIVERTING A STREAM OF WATER FROM THE CHANNEL TO THE UPPER END OF THE BORDER. If you continue browsing the site, you agree to the use of cookies on this website. Assumptions. She believes a cup of coffee and a good book is the horizon of an ecstatic life. The strips are levelcross wisewith gentle slope along the line of advance of front. Depends on the soil sprinkler irrigation border irrigation waters land structured as strips. Comes in the direction of irrigation border configuration in which a field is divided into a number of bays strips. A clipboard to store your clips border strip depends upon how quickly can... 800 m or more in length and 3-30 m wide, and the spreads! 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