what is adverse effect of contour ploughing
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1.degraded green cover
2.excessive ploughing of land for agricultural purposes
3.excessive drainage over slopes
4.high speed winds
5.shifting cultivation etc..
effects of soil erosion are
1.removes top fertile layer of soil, there by reduces productivity and leads to increase in usage of fertilizers to get the same productivity. which increases economic burden on govt. through subsidies on fertilizers along with decreased productivity, which causes food insecurity.
2.reduces the water table by reducing sinkage of water.
3. land slides in hilly and sloppy areas which leads to disasters, ex: recent land slides in Srilanka Maharashtra where fatalities are huge in number.
4.down stream deposition of soil obstructs flow streams and can leads to flooding, over flowing of rivers.
2.excessive ploughing of land for agricultural purposes
3.excessive drainage over slopes
4.high speed winds
5.shifting cultivation etc..
effects of soil erosion are
1.removes top fertile layer of soil, there by reduces productivity and leads to increase in usage of fertilizers to get the same productivity. which increases economic burden on govt. through subsidies on fertilizers along with decreased productivity, which causes food insecurity.
2.reduces the water table by reducing sinkage of water.
3. land slides in hilly and sloppy areas which leads to disasters, ex: recent land slides in Srilanka Maharashtra where fatalities are huge in number.
4.down stream deposition of soil obstructs flow streams and can leads to flooding, over flowing of rivers.
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Answer:
Contour ploughing or contour farming is the farming practice of ploughing and/or planting across a slope following its elevation contour lines. ... In contour ploughing, the ruts made by the plow run perpendicular rather than parallel to slopes, generally resulting in furrows that curve around the land and are level.
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