Concepedia
Transactions of the ASAE · 1961 · 17 citations · 2 references
AgricultureEarth SciencesSoil SciencesSoil PhysicsSoil ScienceSoil SamplingSoil Sampling StrategiesPrecision Soil Sampling DesignSampler InstrumentsSoil Profile SamplingSoil Sampling DensityUndisturbed Samples
2
A Soil‐Sampling Machine for Obtaining Two‐, Three‐, and Four‐Inch Diameter Cores of Undisturbed Soil to a Depth of Six Feet
Omer J. Kelley, James A. Hardman, David S. Jennings · Soil Science Society of America Journal · 1948 · 24 citations
Agriculture, Earth Sciences, Soil Sciences +12
USE OF RADIATION EQUIPMENT FOR PLOW-LAYER DENSITY AND MOISTURE
R. E. Phillips, C. R. Jensen, Don Kirkham · Soil Science · 1960 · 16 citations
Agriculture, Earth Sciences, Soil Sciences +16