959ForestryMedium
Influence on crop yields is:
ANone of these
BAre carefully measured at various points on a line perpendicular to the center of the windbreak
CBy calculation, it can be shown that the total potential yields for most crops will be 2-10% greater on the field
DBoth (a) & (b)
Correct answer
D. Both (a) & (b)
Explanation
The correct answer is Both (a) & (b).