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.
Middle ear infections may cause pain, hearing loss, and spontaneous rupture of the eardrum, resulting in a perforation. In this case,there may be infected or bloody drainage from the ear. Infections can cause a hole in the eardrum as a side effect of otitis media.Symptoms of acuteotitis media (middle ear fluid with signs of infection) include a senese of fullness in the ear, some hearing loss, pain, and fever.n this case,there may be infected or bloody drainage from the ear. Infections can cause a hole in the eardrum as a side effect of otitis media. Symptoms of acuteotitis media (middle ear fluid with signs of infection) include a senese of fullness in the ear, some hearing loss, pain, and fever.