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.
Otitis media with effusion (OME) and ear infections are connected in two ways: 1  After most ear infections have been treated, fluid (an effusion) remains in the middle ear for a few days or weeks.  When the Eustachian tube is partially blocked, fluid builds up in the middle ear.