East African Agricultural and Forestry Journal · 1962 · 11 citations · 4 references
AgricultureEarth SciencesSoil SciencesSoil ScienceField Sampling DesignSample HandlingSoil SamplingSoil Sampling StrategiesSoil SurveyingSampling DepthSoil Core SamplingSoil Profile SamplingSoil Sample ProcessingUndisturbed Samples
4
APPARATUS FOR COLLECTING UNDISTURBED SOIL SAMPLES
Jon Lutz · Soil Science · 1947 · 40 citations
T. S. COILE · Soil Science · 1936 · 34 citations
The assessment of structure in tropical soils
H. C. Pereira · The Journal of Agricultural Science · 1955 · 20 citations
A Portable Soil Core Sampler and Penetrometer<sup>1</sup>
C. L. W. Swanson · Agronomy Journal · 1950 · 13 citations