Contour plowing, Pennsylvania, 1938. Contour bunding, Catalonia, 2007. Contour ploughing or contour farming or Contour bunding is the farming practice of plowing and/or planting across a slope following its elevation contour lines.
1 recurring middle ear infections.  Fluid in the ear may be accompanied by signs and symptoms of allergies or an upper respiratory infection including congestion, runny nose, post nasal drip, or watery eyes.
Usually, fluid in the ears does not lead to any serious complications. However, there are a few to watch out for. 1  Acute otitis media (middle ear infection) 2  Cyst in the middle ear.  Damage to the ear, including hearing loss which could be permanent.