A Power Sampler of Undisturbed SoilsTransactions of the ASAE (1961)
An undisturbed column of soil is required to measure the physical properties of soil and the distribution of roots, insects, and fertilizer within the soil. Because of the excessive expense of digging a trench around an undisturbed soil column, research on the physical properties et cetera of soil in the undisturbed state has been limited.
Citation InformationWesley F. Buchele. "A Power Sampler of Undisturbed Soils" Transactions of the ASAE Vol. 4 Iss. 2 (1961)
Available at: http://works.bepress.com/wesley_buchele/39/