The excavation or water alternative strategy is beneficial for soils which are much too loose to collect an intact core or clod, or for soils containing gravel. Both the intact clod and excavation methods are explained intimately by Cresswell and Hamilton (2002). In Bangladesh, a number of soil testing companies https://hooks-and-eyesclosures00998.angelinsblog.com/32508432/fascination-about-soil-testing-and-investigation-bd