Contour bunding testbook

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WebBunding 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 … WebContour bunding is a land management practice for marginal, sloping, and hilly land where the soil productivity is very low. It involves the placement of lines of stones along the …

Bunding: Classification, Design & Construction Soil Management

WebContour bunding consists of narrow based trapezoidal bunds on contour to impound runoff water behind them such that it can gradually infiltrate into the soil for crop use. It is, generally, recommended for areas receiving less than 600 mm rainfall and for permeable soils upto slopes of about 6 per cent in agricultural lands. WebThe 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. downingtown hospital

Methods Of Controlling Runoff - agriinfo.in

WebAug 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. … WebQuestion: 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 http://www.eagri.org/eagri50/AENG151/lec09.pdf downingtown hospital pa

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GRCS: Lesson 24 Bunds - Indian Agricultural Statistics Research …

WebContour farming is most effective when used with other soil conservation methods like strip cropping, terrace farming, and the use of cover crops. The proper combination of such … 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, … clang-offload-bundlerWebOther 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. downingtown homes for sale

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Contour bunding testbook

What is Contour Plowing? - Definition from Safeopedia

WebBunding is an engineering soil conservation measure used for retaining water and creating obstruction to the surface runoff for controlling soil erosion. Bunds are simple earthen … 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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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, … http://www.eagri.org/eagri50/AENG151/lec09.pdf

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 … WebFunding. Testbook.com has raised a total of $12.6M in funding over 6 rounds. Their latest funding was raised on Sep 13, 2024 from a Secondary Market round. Testbook.com is funded by 11 investors. Classplus and Iron Pillar are the most recent investors.

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 areas with high infiltration rate and permeability. It is commonly used … 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 …

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 bunds are defined as bunds that are built along the contours with small deviations to respond to practical situations. Graded bunds are those that have a slight incline to them. By holding runoff water in the watershed, it helps to decrease soil erosion. downingtown hourly weatherWebThe 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: downingtown homes for rentWebContour 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, clang or g++