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.
K., The fluid is a result of your flu. Anything that causes fluid in the sinuses can cause fluid in the ears, because you have small drainage tubes that go from the middle ear to the sinus/throat area and the fluid can back up into the ear.