The excavation or water substitute technique is helpful for soils which can be much too free to collect an intact Main or clod, or for soils containing gravel. Both equally the intact clod and excavation techniques are described in detail by Cresswell and Hamilton (2002). In places like Bangladesh, where https://betrayal65544.blogitright.com/33443317/the-ultimate-guide-to-soil-testing-and-investigation-bd