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 condition is connected with ear infection in two ways: 1  After the treatment of many ear infections, fluid will remain in the middle ear for several days.  When the Eustachian tube becomes partially blocked, fluid begins to accumulate in the middle ear.