http://www.gharexpert.com/category/1394/Earth-0.aspx?CatID=1394Earth information at GharExpert.com. Stumps, grass, clods, and large pieces of stones hinder proper compaction of soil manually or mechanically.http://www.gharexpert.com/articles/Earth-1030/Earth-Filling_0.aspx?PL=2&ArticleID=1030&CatID=1394Each layer of earth should be rammed and consolidated while filling it around ‘Brick Masonry’.