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.
This can cause earache and fever. When fluid sits in the middle ear for weeks, the condition is known as otitis media with effusion.. This occurs in a recovering ear infection. Fluid can remain in the ear for weeks to many months.