What is contour ploughing?
A. Ploughing up and down the slope
B. Ploughing along the contour lines
C. Ploughing in a circular manner
D. Ploughing in a straight line
Answer:B
What is contour ploughing?
A. Ploughing up and down the slope B. Ploughing along the contour lines C. Ploughing in a circular manner D. Ploughing in a straight line