Home | Nigerian Journal of Soil and Environmental Research | NIGERIAN JOURNAL OF SOIL AND ENVIRONMENTAL RESEARCH | Abstract | Reference
Physical and Chemical Properties of Soils Developed from Different Parent Materials Formed along Toposequence in Central and Southern Cross River State, Nigeria.

Year: 2018|   Volume No: 17|   Number No: 1|   ISSN: 1595-61-21|   Page No: 

Reference:Ahukaemere, C. M., Akamigbo, F. O. R., Onweremadu, E. U., Ndukwu, B. N. and Osisi, F. A. (2015).Carbon and Nitrogen Forms and Sequestration in Relation to Agricultural Land Use Types in a Humid Agro-ecosystem. Journal of Global Biosciences, 4(3): 1655-1654. Akpan – Idiok, A.U. (2012). Physicochemical Properties, Degradation Rate and Vulnerability Potential of soils formed on Coastal plain sands in Southeast, Nigeria. International Journal of Agricultural Research, 7:358 –366 Aytenew, M. (2015). Effect of slope Gradient on Selected Soil Physicochemical properties of Dawja Watershed in EnebseSar Midir District, Amhara National Regional State, American Journal of Scientific and Industrial Research, 6(4):74-81 Babalola, T. S., Fasina, A. S. and Tunku, P. (2007).Relationship between soil properties and slope position in a humid forest of South Western Nigeria. Agricultural Journal. 2(3):370-374 Best, M. O. (1982).Igneous and Metamorphic Petrology, W. H. Freeman and Company, New York. Blake, G. R. and Hartge, K. H. (1986).Bulk density. In: Klute A. (Ed). Methods of Soil analysis Part 1.Physical and Mineralogical methods .America Society of Agronomy. Pp. 595-624. Blatt, H. and Robert, J. T. (1996).Petrology. W. H.Freedom, 2ndEd. Pp 355, ISBN 0-7167-2438-3 Bowles, J. E. (1992). Engineering properties of soil and their measurements 4th (Ed.) McGraw Hills, Boston pp. 241 Brady, N. C. and Weil R.R, (2012).The nature and properties of soils.14th Edition. India: Pearson Education. ISBN: 978-93-325-1910-7. p 61-67. Brady, N.C.and Weil R.R. (2007).The nature and properties of soil. Pearson Education, Inc. and Dorling Kindersley publishing.(Inc. Pp 56, 857). Bray, R. H. and Kurtz, L. T. (1945). Determination of total, organic and available forms of phosphorus in soils. Soils Science 59: 39-46. BulkTrade Investment Company Limited (1989). Main report on Soil and Land use survey of Cross River State Ministry of Agriculture and Natural Resources, Calabar. Chikezie, I.A. I.A., H. Eswaran, D.O. Asawalam and A.O. Ano, (2010).Characterization of two benchmark soils of contrasting parent materials in Abia state, Southeastern Nigeria. Global Journal of Pure and Applied Science 16(1): 23-29. Effiong, J. (2011). Changing pattern of land use in the Calabar river catchment, Southern Nigeria. Journal of Sustainable Development, 41(1): 92 – Eyong, M. O. and Akpa, E. A. 72 Ogban, P.I.,Ekanem,T.P.,Etim, E. R. and Effiong, G.S. (1998). Muching Practices on a tropical physical properties. Proceedings of the 25th Annual Conference on Soil Science Society of Nigeria, Abeokuta, Nigeria. Ojo-Atere, J. O., Ogunwale, J. A. and Oluwatosin, G. A. (2011).Fundamentals of Tropical Soil Science. Evans Brothers (Nigeria Publishers) Ltd. ISBN 978-978-020-976-6, Pp 260-261, 266. Shutter, M. I., Decks, I. K. and Billet, M. F. (2004).Spatial variability in soil ion exchange chemistry in a granitic upland catchment. Soil Science Society of America Journal 68:1304-1314. Slessarev, E. W., Lin, Y., Bingham, N. L., Johnson, J. E., Dai, Y., Schimel, J. P. and Chadwick, O. A. (2016).”Water balance creates a threshold in soil pH at the global scale”. Nature 540(7634):567- 569. Soil Conservation Service (1994). Soil formation image extracted from the surface down: An introduction to soil surveys for agronomic use. United State Department of Agriculture, USA. Soil Survey Staff (1999).Soil Survey Manual. US Department of Agriculture Hand Book 18. US Government Printing Office, Washington. Tekalign, M., Haque, I. and Aduayi, E. A. (1988).Phosphorus states of Ethopia Vertisols: Management of vertisols in sub-Saharan Africa. 1988; pp232-252. In: Proceeding of the conference held at International Livestock Centre for Africa (ILCA). Udo, E. J., Ibia, T.O., Ogunwale, J. A., Ano, A.O. and Esu, I. E. (2009).Manual of Soil, Plant and Water Analysis. Sibon Books Limited Lagos Nigeria. pp.183. Wezel, A. (2006). Variation of soil and site parameters on extensively and intensively grazed hillslopes in Semiarid Cuba. Geoderma 134: 152-159 Fertility status and management of Usse Offot inland valley soils for increased rice yields in Akwa-Ibom State, Nigeria. Journal of Applied Agricultural Research, 2:97 – 103. Kurt, G. R. (2011). Petrogenesis of Metamorphic Rocks Springer, Pp 23-24, ISBN 3540741682, archived from the original on the 19 November 2016. Landon, J. R. (1991). Booker tropical soil Manual: A handbook for oil survey and agricultural Land evaluation in the tropics and subtropics. Longman Scientist and Technical Essex, New York.474p. Myers, R. J. (2010). One – Hundred years of pH . Journal o f Ch emi c a l Ed u c a t i o n 8 7 : 3 0 - 3 2 Bibcode:2010jChEd:8:7.30M,doi:10.1021/ed8 00002C. Ndukwu, B. N., Chukwuma, M. C., Idiagbor, C. M. and Obasi, S. N. (2012).Forms and distribution of potassium in Soils underlain by Three Li t h o l o g i e s So u t h -Ea s t e r n Ni g e r i a . International Journal of Agriculture and Rural Development 15(2): 1104-1108. Nelson, O. W. and Sommers, L. E. (1996). Total Carbon, Organic Carbon and Organic. In O. L. Sparks (ed). Methods of Soil Analysis Part 3, Chemical Methods. Soil Science Society of America Book Series Number 5. American Society of Agronomy, Madison WIE, pp 961-1010. Nigerian Meteorological Agency (NIMET). (2015). Annual meteological readings at Margeret Ekpo International Airport, Calabar, Cross River State, Nigeria. Nwajiuba, C. and Onyeneke, R. (2010). Effects of climate on the agriculture of sub-Saharan Africa: Lessons from Southeast Rainforest Zone of Nigeria. A paper presented at the Oxford Business and Economics Conference Program, UK. Ogban, P.I. and Ekerette, I. O. (2001). Physical and chemical properties of the coastal plain sands soils of South- Eastern Nigeria. Nigerian Journal of Soil and Environmental Research 2001; 2:6-14.