Simple method to take soil samples. Soil samples taken to assess soil carbon content can be easily acquired with this method. You can select an area in a field and take multiple composite samples at various depths to capture soil carbon in the top 6" (15 cm) 12" (30 cm) and 18" (45 cm), All you need is a 24" carbide tipped ship augur bit, a 2 gallon paint bucket, a threaded 1" bulkhead fitting and a short plastic 1" nipple. This techniques saves a lot of digging and gives you consistent soil coring capabilities with little effort.