Figure 2. Make use of a coring Device or trowel to collect soil samples and put them into a cleanse bucket ahead of transferring them to your soil sample box. Repeat this method in 6 to eight spots (subsamples) and combine to get a more agent sample for testing. https://soil-analysis-laboratorie43210.liberty-blog.com/29573237/the-smart-trick-of-soil-quality-testing-bangladesh-that-no-one-is-discussing