Question

Why is contour ploughing
advisable on
hill stops ?​

Answer 1

Answer:

this is so as to reduce the rate at which water flows down the slope . This prevents soil erosion and allows for enough time for water to be absorbed by the soil and used up by the plants.  

Explanation:

Answer 2

contours, of a slope. Contour plowing helps channel rainwater so that it does not run straight downhill, carrying away soil with it. ... Strips of grasses, shrubs, or other plants are planted between bands of a grain crop along the contour of a slope. These strips of plants also help slow the runoff of water.