2024 Contour bunding testbook

Contour bunding testbook

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August undefined, 2024

WebJan 1, 2024 · Contour bunding is a proven sustainable land management practice for marginal, sloping, and hilly land where the soil productivity is very low. It is widely adopted by the ethnic minorities of Nepal who practice the shifting cultivation system of farming. WebThe main functions of contour bunds are: It reduces the length of slope which in turn reduces the soil erosion. The water is impounded for some time and gets recharged into the soil which helps in crop cultivation. The limitations of contour bunds are:

Controlling the Erosion of Soil Caused by Water Soil Management

WebApr 7, 2024 · Contour bunding (or contour bundling), which involves the placement of lines of stones along with the natural rises of a landscape, and contour farming. These … WebContour bunds are constructed in relatively low rainfall areas, having an annual rainfall or less than 600 mm, particularly in areas having light textured soils. For rolling and flater … ramjay

What is Contour Plowing? - Definition from Safeopedia

WebContour bunds (also known as contour bunding) are a form of micro-catchment technique and are a very simple and cheap form of water control. The bunds are created along the contour lines. There are also small … WebContour bunds are constructed in relatively low rainfall areas, having an annual rainfall or less than 600 mm, particularly in areas having light textured soils. For rolling and flater lands having slopes from 2 to 6% contour bunding is practiced, in red soils. Design of contour bunds Vertical Interval between bunds (V.I) b 0.3 a S V.I = + where, WebFeb 17, 2024 · The difference between Contour Bunding and Graded Bunding occurs based on soil type, amount of rainfall, etc. Contour Bunding is built along shapes or contour lines. The graded bunds commonly used in India, on the other hand, are similar to the narrow base balconies. Though both are types of land management practice, … ram janu 96 images

(PDF) Contour bunding technology-evidence and experience in …

What is the Difference Between Contour Bunding and Graded Bunding?

WebContour bunding is not technically feasible on the land slopes, greater than 6%. Contour bunding is an important measure to conserve the soil and water in arid and semi-arid … WebApr 10, 2024 · CONTOUR BUNDING: This method of soil and water conservation is employed in hilly areas. Earthen embankments are built across the slope of the land, … ramjazzWebQuestion: Contour bunding is a method of soil conservation used in (UPSC 2013) (a) Desert margins, liable to strong wind action (b) Low flat plains, close to stream course, liable to flooding. (c) Scrublands, liable to spread of weed growth (d) None of the above Answer: (d) See the Explanation ram jbhifi

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Contour bunding testbook

Contour and Graded Bunding - agriinfo.in

WebApr 11, 2024 · Contour plowing is the practice of plowing horizontally along the contours of the land. This plowing technique prevents soil erosion in hilly and contoured areas by capturing the water runoff. The contour lines also create a water break that reduces the formation of rills and gullies during heavy rainfall, allowing water to seep into the soil. WebContour bunding along the slope: Contour bunding with Maize cultivation: Contour bunding with Grass: Situations for various bunding options: Bunding options: Soil type: Rainfall (mm) Slope (%) Contour bund: Light soil <600 >1.5: Graded bund: All soils <600: 1.5: Bench terraces: Deep soil >1000: 6.0: Graded boarder strip:

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WebMay 20, 2024 · Contour Bunding: It consists of building earthen embankments across the slope of the land, following the contour as closely as possible. A series of such bunds … WebNov 16, 2024 · Shad witnessed contour bunding and contour ploughing while visiting one of the States in India. Identify the State from the options given below. (a) Punjab (b) …

WebWelcome to Testbook - The most trusted exam preparation app for competitive exams. Supported by a community of 3.4 crore+ students, we offer a flawless online coaching experience for all major... WebContour bunding (or contour bundling), which involves the placement of lines of stones along the natural rises of a landscape, and contour farming. These techniques help to capture and hold rainfall before it can become runoff. They also inhibit wind erosion by keeping the soil heavy and moist.

WebContour Bunds, Bench Terrace & Compartmental Bunding - YouTube 0:00 / 3:34 Contour Bunds, Bench Terrace & Compartmental Bunding FarmTV 423K subscribers Subscribe … WebApr 26, 2024 · Contour and Graded Bunding Contour Bunding Counter Bunding are carried out in many parts in India- notably in Maharashtra, Gujarat, Tamilnadu, …

WebSep 30, 2024 · Soil erosion control measures 1. Presented By: Krishna Vala Urmila Parmar 2. What is Erosion control Erosion control is the practice of preventing or controlling wind or water erosion in agricultural land …

WebContour bunding (or contour bundling), which involves the placement of lines of stones along the natural rises of a landscape, and contour farming. These techniques help to capture and hold rainfall before it can become … ramjdWebBunding is one of the mechanical measures of erosion control, requiring engineering techniques and structures. They reduce run off and impound water for longer time to help … ram janm timeWebFeb 20, 2024 · One of the most common practices applied in the central and southern parts of Mali is contour bunding (CB). In this study the impact of the CB technology is evaluated with a focus on... dr. jean davidson njWebOther Details of Contour Bunding: 1. Length of Contour Bund: It is determined based on the horizontal interval of the bund. The length of bund per hectare area is given as – 2. Earth Work: The earthwork of bunding system includes the sum of earthworks under main contour bunds, side bunds and lateral bunds formed in the field. dr jean david zeitounWebA simple innovation can go a long way to help lives and livelihood of farmers in the drylands. A team of ICRISAT scientists in Mali have found that ‘contour bunding’, a technique that helps retain moisture and nutrients while preventing soil erosion also brings as much as 20% increase in net income. The study, in Kani watershed, about 450 ... ram jawaya v state of punjabWebAug 30, 2024 · Methods Of Controlling Runoff A. Mechanical Methods: 1. Contour bunding 2. Graded bunding 3. Biological Bunding or live Bunds or vegetative bunding; or Vegetative barriers 4. Water shed management- inter bund management 5. Broad bed furrow 6. Vertical mulching B. Agronomical practices:- 1. Strip cropping 2. Mulching 3. … dr jeandinWebThe contour bunds are recommended for areas with low annual rainfall (< 600 mm) agricultural fields with permeable soils and having a land slope of less than 6%, while graded bunds are used for safe disposal of excess runoff in areas with high rainfall and relatively impervious soil. dr jean dib