THE GREATEST GUIDE TO CONTOUR SURVEY IN BANGLADESH

By contour planting and contour ploughing, the rate of h2o runoff and so soil erosion could be considerably decreased; this is especially significant in riparian zones.An isohyet or isohyetal line (from Historic Greek ὑετός (huetos) 'rain') is really a line with a map joining factors of equal rainfall inside a presented period. A map with is