In such cases, the main belts should be oriented at right angles to the direction of the most destructive winds. ... The length between breaks (left in the main belt at junctions with laterals to permit desirable air movement) is also 1, 640 feet. ... Where such sites are not available, the area should be plowed to a depth of at least 11 inches in the fall (assuming spring ... Pear 28 Apple 18 Period 0 3 d a i s *. a c.
|Title||:||Possibilities of Shelterbelt Planting in the Plains Region|