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.
Symptoms of Fluid in the Ear. Fluid in the ears may or may not cause symptoms. In fact, almost half of all cases of otitis media with effusion there are no signs or symptoms reported by the child or their caregivers. If symptoms do occur, they can include: mild ear pain that comes and goes. hearing loss.