Characteristics and management options of crusting soils in a smallholder farming area of the Zambezi metamorphic belt in northern Zimbabwe

References

• Assouline S, Ben-Hur M. 2006. Effects of rainfall intensity and slope gradient on the dynamics of interrill erosion during soil surface sealing. Catena 663: 211–220.
   Web of Science ®Google Scholar
• Barthes B, Roose E. 1996. The stability of aggregates an indicator of the sensitivity of the ground streaming and erosion: validation on several scales. Soil Science Society of America Journal 60: 888–894.
   Web of Science ®Google Scholar
• Ben-Hur M. 2008. Seal formation effects on soil infiltration and run-off in arid and semi-arid regions under rainfall and sprinkler irrigation conditions. In: Zerein F, Jaescheke W (eds), Climate changes and water resources in the Middle East and North Africa. New York: Springer Verlag. pp 429–452.
   Google Scholar
• Bennet JG. 1985. A field guide to soil and site description in Zimbabwe. Technical Handbook no. 6. Harare: Chemistry and Soil Research Institute, Department of Research and Specialist Services.
   Google Scholar
• Borselli L, Biancalani R, Giordani C, Camicelli S, Fermi GA. 1996. Effect of gypsum on seedling emergence in a kaolinitic crusting soil. Soil Technology 9: 7I–81.
   Google Scholar
• Bronick CJ, Lal R. 2005. Soil structure and management: a review. Geoderma 124: 3–22.
   Web of Science ®Google Scholar
• Bruand A, Cousin I. 1995. Variation of textural porosity of a clay-loam soil during compaction. European Journal of Soil Science 46: 377–385.
   Web of Science ®Google Scholar
• Bühmann C, Beukes DJ, Turner DP. 2006. Clay mineral associations in soils of the Lusikisiki area, Eastern Cape and their agricultural significance. South African Journal of Plant and Soil 23: 78–86.
   Google Scholar
• Day PR. 1965. Particle fractionation and particle-size analysis. In: Black CA (ed.), Methods of soil analysis, part 2: Chemical and microbiological properties. Monograph Series vol. 9. Madison: American Society of Agronomy. pp 545–566.
   Google Scholar
• Dirks PHGM, Jelsma HA. 2006. The structural-metamorphic evolution of the northern margin of the Zimbabwe Craton and the adjacent Zambezi belt in northeastern Zimbabwe. GSA Special Papers 405: 291–313.
   Google Scholar
• DMS (Department of Meteorological Services). 1981. Climate handbook of Zimbabwe (supplement no. 5). Salisbury: Government Printers.
   Google Scholar
• FAO (Food and Agriculture Organization of the United Nations). 1980. Metodología provisional para la evaluación de la degradación de los suelos. Rome: FAO.
   Google Scholar
• FAO. 1985. Guidelines: land evaluation for irrigated agriculture. Soils Bulletin no. 55. Rome: FAO.
   Google Scholar
• FAO. 1993. Soil tillage in Africa: needs and challenges. Soils Bulletin no. 69. Rome: FAO.
   Google Scholar
• Harris W, White N. 2007. Methods of soil analysis, part 5: Mineralogical methods. SSSA Book Series no. 5. Madison: Soil Science Society of America.
   Google Scholar
• IUSS Working Group WRB. 2006. World reference base for soil resources 2006. World Soil Resources Report 103. Rome: FAO.
   Google Scholar
• Lado M, Ben-Hur M. 2004. Soil mineralogy effects on seal formation, runoff and soil loss. Applied Clay Science 24: 209–224.
   Web of Science ®Google Scholar
• Lado M, Ben-Hur M, Shainberg I. 2007. Clay mineralogy, ionic composition and effects on hydraulic properties of depositional seals. Soil Science Society of America Journal 71: 314–321.
   Web of Science ®Google Scholar
• Laker MC. 2000. Soil resources: distribution, utilization and degradation. In: Fox R, Rowntree K (eds), The geography of South Africa in a changing world. Cape Town: Oxford University Press. pp 326–360.
   Google Scholar
• Laker MC. 2004. Advances in soil erosion, soil conservation, land suitability evaluation and land use planning research in South Africa, 1973–2003. South African Journal of Plant and Soil 5: 345–368.
   Google Scholar
• Landon JR. 1991. Booker tropical soil manual: a handbook for soil survey and agricultural land evaluation in the tropics and subtropics. Harlow: Longman.
   Google Scholar
• Le Bissonnais Y. 1997. Aggregate stability and assessment of soil crustability and erodibility. I: Theory and methodology. European Journals of Soil Science 47: 425–437.
   Web of Science ®Google Scholar
• Le Bissonnais Y, Bruand A, Nyamugafata P, Dacquis LP. 1992. Variability of aggregate stability and surface crusting in Zimbabwe. In: Sumner ME, Stewart BA (eds), Soil crusting: chemical and physical processes. Boca Raton: Lewis Publishers. pp 339–366.
   Google Scholar
• Levy GJ, van der Watt HvH. 1988. Effects of clay mineralogy and soil sodicity on soil infiltration rate. South African Journal of Plant and Soil 5: 92–96.
   Google Scholar
• Materechera SA. 2009. Aggregation in a surface layer of a hardsetting and crusting soil as influenced by the application of amendments and grass mulchin a South African semi-arid environment. Soil Tillage Research 105: 251–259.
   Web of Science ®Google Scholar
• Mills AJ, Fey MV. 2004. Effects of vegetation cover on the tendency of soil to crust in South Africa. Soil Use and Management 20: 308–317.
   Web of Science ®Google Scholar
• Mills AJ, Fey MV, Gronkroft A, Peterson A, Medinski TV. 2006. Unravelling the effects of soil properties on water infiltration: segmented quantile regression on a large data set from arid southwest Africa. Australian Journal of Soil Research 44: 783–797.
   Web of Science ®Google Scholar
• Neave M, Rayburg S. 2007. A field investigation into the effects of progressive rainfall-induced soil seal and crust development on runoff and erosion rates: the impact of surface cover. Geomorphology 87: 378–390.
   Web of Science ®Google Scholar
• Nyamadzawo G, Nyamugafata P, Wuta M, Nyamangara J, Chikowo R. 2012. Infiltration and runoff losses under fallowing and conservation agriculture practices on contrasting soils, Zimbabwe. Water SA 38: 233–240.
   Web of Science ®Google Scholar
• Nyamapfene K. 1991. The soils of Zimbabwe. Harare: Nehanda Publishers.
   Google Scholar
• Nyamapfene KW, Hungwe AP. 1986. Nature, distribution and management of crusting soils in Zimbabwe. In: Callebaut F, Gabriels D, de Boodt M (eds), Assessment of soil surface sealing and crusting: proceedings of the symposium held in Ghent, Belgium, 1985. Ghent: Flanders Research Centre for Soil Erosion and Soil Conservation. pp 320–329.
   Google Scholar
• Okalebo JR, Gathua KW, Woomer PL. 2002. Laboratory methods of soil and plant analysis: a working manual (2nd edn). Nairobi: TSBF, KARI and UNESCO.
   Google Scholar
• Packer I, Medway J, Jones B, Koen T. 1998. Are ‘conservative’ cropping systems improving soil infiltration, organic carbon and bulk density in southern NSWj? In: Michalk DL, Pratley JE (eds), Agronomy, growing a greener future: proceedings of the 9th Australian Agronomy Conference, 20–23 July 1998, Charles Sturt University, Wagga Wagga, NSW. Wagga Wagga: Australian Society of Agronomy. n. pag.
   Google Scholar
• Pulido-Moncada M, Gabriels D, Lobo D, de Beuf K, Figueroa R, Cornelis WM. 2014. A comparison of methods to assess susceptibility to soil sealing. Geoderma 226: 397–404.
   Web of Science ®Google Scholar
• Reichert JM, Norton L D, Favaretto N, Huang CH, Blume E. 2009. Settling velocity, aggregate stability, and interrill erodibility of soils varying in clay mineralogy. Soil Science Society of America Journal 73: 1369–1377.
   Web of Science ®Google Scholar
• Six J, Elliot ET, Paustian K. 2000. Soil structure, soil organic matter II. A normalized stability index of the effect of mineralogy. Soil Science Society of America Journal 64: 1042–1049.
   Web of Science ®Google Scholar
• Souza E, Antonino A, Heck R, Montenegro S, Lima J, Sampalo E, Angulo-Jaramillo R, Vauclin M. 2014. Effect of crusting on the physical and hydraulic properties of a soil cropped with Castor beans (Ricinus communi L.) in the northeastern region of Brazil. Soil and Tillage Research 141: 55–61.
   Web of Science ®Google Scholar
• Stern R, Ben-Hur M, Shainberg I. 1991. Clay mineralogy effect on rain infiltration, seal formation and soil losses. Soil Science 152: 455–462.
   Web of Science ®Google Scholar
• Stidolph PA. 1977. The geology of the country around Shamva. Zimbabwe Geological Survey Bulletin no. 78. Salisbury: Rhodesia Geological Survey.
   Google Scholar
• Stocking M. 1986. The cost of soil erosion in Zimbabwe in terms of the loss of three major nutrients. Consultants’ Working Paper no. 3. Rome: FAO.
   Google Scholar
• Vogel H. 1993. Tillage effects on maize yield, rooting depth and soil water content on sandy soils in Zimbabwe. Field Crops Research 33: 367–384.
   Web of Science ®Google Scholar
• Wakindiki IC, Ben-Hur M. 2002. Soil mineralogy and the effects on crust micromorphology, infiltration and erosion. Soil Science Society of America Journal 66: 897–905.
   Web of Science ®Google Scholar