M. A. Johnston - Concepedia

Author

M. A. Johnston

Also Known As

Johnston, Michael A., M A Johnston, M. A. Johnston, M.A Johnston, M.A. Johnston, Michael A Johnston, Michael A. Johnston

Publications

599

Citations

H-Index

Concepts

All Affiliations

University of KwaZulu-Natal Umkhuseli Innovation and Research Management

About

M. A. Johnston is an author at University of KwaZulu-Natal specializing in engineering, soil properties, and earth science.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	10	10	523
2	Civil Engineering	3	3	198
3	Geography	3	3	215
4	Environmental Engineering	2	2	76
5	Public Health	1	1	40

M. A. Johnston

Publications

559

Citations

H-Index

Page 1

	Year	Citations
The effect of soil compaction and soil physical properties on the mechanical resistance of South African forestry soils C. W. Smith, M. A. Johnston, Simon Lorentz Geoderma Soil PropertySoil CompactionEngineeringMechanical EngineeringForestry	1997	130
Assessing the compaction susceptibility of South African forestry soils. II. Soil properties affecting compactibility and compressibility C. W. Smith, M. A. Johnston, Simon Lorentz Soil and Tillage Research Soil PropertySoil CompactionEngineeringForestryGeography	1997	87
Assessing the compaction susceptibility of South African forestry soils. I. The effect of soil type, water content and applied pressure on uni-axial compaction C. W. Smith, M. A. Johnston, Simon Lorentz Soil and Tillage Research Soil PropertySoil CompactionEngineeringForestryGeography	1997	76
The effect of soil compaction on the water retention characteristics of soils in forest plantations C. W. Smith, M. A. Johnston, Simon Lorentz South African Journal of Plant and Soil Available Water CapacityEngineeringForestryLand DegradationEarth Science	2001	53
Evaluation of Calibration Methods for Interpreting Soil Salinity from Electromagnetic Induction Measurements M. A. Johnston, Michael J. Savage, J. H. Moolman, Soil Science Society of America Journal Precision AgricultureEnvironmental MonitoringEngineeringSoil SalinityLand Degradation	1997	52
Quantities of phosphorus fertilizer required to raise the soil test value M. A. Johnston, N. Miles, G. R. Thibaud South African Journal of Plant and Soil Phosphorus FertilizerEngineeringSoil Test ValueAgricultural EconomicsNutrient Requirement	1991	40
Effects of a water treatment residue, lime, gypsum, and polyacrylamide on the water retention and hydraulic conductivity of two contrasting soils under field conditions in KwaZulu-Natal, South Africa Merantha Moodley, M. A. Johnston, J. C. Hughes, Australian Journal of Soil Research	2004	36
Phosphorus sorption in Natal soils S. H. Bainbridge, N. Miles, R. Praan, South African Journal of Plant and Soil Soil CharacterizationOrganic GeochemistryBiogeochemistryEnvironmental ChemistryNatal Soils	1995	36
Soil-water conservation as affected by primary tillage practices W. A.J. Berry, J. B. Mallett, M. A. Johnston South African Journal of Plant and Soil EngineeringLand UseSoil SciencePrimary Tillage PracticesSustainable Agriculture	1985	17
Use of sub-hourly soil water content measured with a frequency-domain reflectometer to schedule irrigation of cabbages G. Lukangu, Michael J. Savage, M. A. Johnston Irrigation Science Precision AgricultureEnvironmental MonitoringEngineeringMeasurementFrequency-domain Reflectometer	1999	17

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