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References
|
Adeoye GO, Agboola AA (1985). Critical levels for soil pH, available P, K, Zn and Mn and maize ear leaf content of P, Cu and Mn in sedimentary soils of south-western Nigeria. Fertilizer Research 6(1):65-75. |
|
|
Ahukaemere CM, Ndukwu BN, Agim LC (2012). Soil quality and soil degradation as influenced by agricultural land use types in the humid environment. nternational Journal of Forest, Soil and Erosion 2(4):175 -179. |
|
|
Akinrinde EA, Obigbesan GO (2000). Evaluation of fertility status of selected soil for crop production in five ecological areas of Nigeria. In Proceedings of the 26th Annual Conference of Soil Science Society of Nigeria, Ibadan, Nigeria pp. 279-288. |
|
|
Aluko AP, Oguntala AB (1997). Fertility assessment of marginal land at Okoma forest reserve for conservation and management purpose. Proceedings of the 26th Annual Conference. Forestry Association Nigeria. pp. 13 -21. |
|
|
Aririguzo BN, Osujieke DN, Ahukaemere CM, Imadojemu PE (2019). Profile distribution of nitrogen forms under forest and pasture ecosystem in Umuahia and Umudike in Abia state, southeastern Nigeria. Fuw Journal of Agriculture & Life Sciences 3(1):231 -242. |
|
|
Bernoux M, Cerri CC, Neili C, De Moraes JFL (1998). The use of stable carbon isotopes for estimation of soil organic matter turn- over rates Geoderma 82(1-3):43-58. |
|
|
Black CA (1965). Methods of soil analysis. Part 1, American Soc. Of Agronomy, Madison, Wisconsin, USA 1572 p. |
|
|
Brady NC, Weil RR (2002). The nature and properties of soils. 13th Ed. Prentice-Hall Inc. New Jersey, USA 960 p. |
|
|
Brady NC, Weil RR (2008). The nature and properties of soils. 14th Ed. Prentice-Hall, Upper Saddle River NJ. |
|
|
Bouyoucos GJ (1962). Hydrometer method improvement for making particle size analysis of soils. Agronomy Journal 54(5):464-465. |
|
|
Catherine DC, Steve GP, Janrt FR, Maria IM, Berna P, Ronald CS, Darwin LS, Judith LS, Joan EM, Raamzi M, Dupont, RR, Kathleen W (1992). In situ treatment of hazardous waste contaminated soils. 2nd ed. Pollution Technology review No 199, Noyes Data Corporation Park Ridge, New Jersey, USA. |
|
|
Chapman HD (1965). Cation exchange capacity. In C.A.Black, L.E. Ensminger and F.E. Clark (Eds). Methods of Soil analysis. Am. Soc. Agron. Inc, Madison, Wisconsin, Agronomy 9:891-901 |
|
|
Ekpete DM (1972). Comparison of method of available K assessment for Eastern Nigeria soils. Soil Science 113(3):213-221. |
|
|
Enwezor WO, Ohiri AC, Opowaribo EE, Udo EJ (1990). A review of soil fertilizer use in crops of southeastern zone of Nigeria (in five volumes). Produced by the Fed. Min. of Agric. and National Research, Lagos. |
|
|
Eshett ET, Omueti JA, Juo ASR (1989). Soil properties and mineralogy in relatin to land use on a sedimentary toposequence in south-eastern Nigeria. Journal of Agricultural Science 112:377-386. |
|
|
Food and Agricultural Organization (FAO) (2004). A provisional methodology for land degradation Assessment. Food and Agricultural Organization, Rome. |
|
|
Federal Department of Agricultural Land Resources (1985). The reconnaissance soil survey of Imo state (1: 250,000), soil report 133p |
|
|
Foth HD, Ellis BG (1997). Soil fertility, 2nd edition. Lewis CRC Press LLC., USA 290 p. |
|
|
Grossman RB, Reinsch TG (2002). Bulk density and linear extensibility . In Dane J.H. and Topp G.C. (Eds). Methods of the soil analysis part 4, physical methods. Soil Science Society of America. Book series. |
|
|
Isirimah NO, Igwe C, Dickson CMA (2003). Important ion in soil environment. In: N.O. Isirimah, A.A.A. Dickson and C Igwe. Introductory soil chemistry and biology for Agriculture and biotechnology pp. 34-97. |
|
|
Johnstone J (2011). Assessing soil fertility: the importance of soil analysis and its interpretation. Potash development association P 19. |
|
|
Khalif YM (2010). Improvement of soil carrying capacity for better living. Department of Land Management, faculty of Agriculture, University Pura Malaysia, 43400, Serdary Selangor Malaysia. |
|
|
Lakew D, Menale K, Samuel B, Pendere J (2000). Land degradation in the highlands of amhara region and strategies for sustainable land management. Summary of papers and proceedings of a workshop held at the international livestock Research institute, Addis Ababa, Ethopia, 22-23 may 2000. |
|
|
Landon JR (1991). Booker tropical soil manual: A handbook for soil survey and Agricultueal land evaluation in the tropics and subtropics. Longman Scientific and technical Essex, New York 474 p. |
|
|
Li Z, Nie X, Chang X, Liu L, Sun L (2016). Characteristics of soil and organic carbon loss induced by water erosion on the loess plateau in China. PLOS one 11(4):154-591. |
|
|
Liu XL, He YQ, Zhang HL (2010). Impact of land use and soil fertility on distribution of soil aggregate fractions and some nutrients. Pedosphere 20(5):666-673. |
|
|
Lombin LG (1994). Assessment of the magnesium potentials in some Nigerian soils. Ph.D thesis, Agronomy Department, University of Ibadan, Nigeria. |
|
|
Ma BL, Dwyer LM, Gregorich EG (1999). Soil nitrogen amendment effects on nitrogen uptake and grain yield of maize. Agronomy Journal 91(6): 650-656. |
|
|
Mbah CN (2006). Influence of organic wastes on plant growth parameters and nutrient uptake by maize (zea mays L) Nigeria journal of Soil Science 16:45-150. |
|
|
Mclean EO (1965). Aluminium In: C.A. Black (Ed). Methods of soil analysis. Agron. No 9, part 2, Am. Soc. Agron., Madison, Wisconsin, USA. Pp 978- 998. |
|
|
Megistu C, Kibebew K, Tarekegn F (2017). Influence of different land use types and soil depths on selected soil properties related to soil fertility in Warandhab, area, Horo Guduru Wallaga zone, Oromiya, Ethiopia. International Journal of Environmental Sciences and Natural Resources 4(2):1-11 |
|
|
Nkwopara UN, Iwuchukwu EE, Okoli NH, Osisi A, Ihem EE Onwudike SU (2017). Vertical distribution of cadmium in selected soils of varying lithosequences in a humid tropical environment. International Journal of Agriculture and Rural Development 20(2):3159- 3164. |
|
|
Nkwopara UN, Okoli NH, Nnadozie J, Onwudike SU, Ihem EE (2019). Evaluation of fertility status of selected eroded and non-eroded soils in an ultisol in a humid tropical environment using elemental ratio. International Journal of Agriculture and Rural Development 22(2):4474-4484. |
|
|
Noma S, Ojanuga AG, Ibrahim SA, Iliya MA (2005). Detailed soil survey of Sokoto Rima flood plain at Sokoto. In managing oil resources for food security and sustainable environment. Proceedings. 29th Annual Conference of the Soil Science Society of Nigeria. |
|
|
Obi ME (1990). Soil physics. A compendium of lectures. Department of Soil Science, U.N.N. 103 p. |
|
|
Oguike PC, Mbagwu JSC (2009). Variations in some physical properties and organic matter content of soils of coastal plain sand under different land use types. World Journal of Agricultural sciences 5(1):63-69. |
|
|
Ojanuga AG, Awojuola AI (1981). Characteristics and classification of soil s of the Jos plateau, Nigeria. Nigeria. Nigerian Journal of Soil Science 2:101-119. |
|
|
Onweremadu EU (2007). Lithosequential variability in phosphorus (P) forms in the humid tropics. International Journal of Soil Science, 2(3):182-187. |
|
|
Onweremadu EU, Akamigbo FOR, Igwe CA (2007). Lithosequential variability and relationship between erodibility and sodium concentration in soils of a rainforest. Research Journal of Forestry 1(2):73-79. |
|
|
Onweremadu EU, Oluwa JA, Njoku JO, Ufot UO (2011). Soil nitrogen forms distribution in Isohyperthermic Kandiudults of central southeastern, Nigeria. Nigerian Journal of Agriculture, Food and Environment 7(2):52-56. |
|
|
Onwudike SU, Uzoho BU, Ihem EE, Ahukaemere CM, Nkwopara UN, Irokwe IF, Echeanyanwu GI (2016). Evaluation of the fertility status of selected soils in Mbaise, Imo state, Southeastern Nigeria, using nutrient index method. Agrosearch 16(1):75-86. |
|
|
Orajaka SO (1975). Geology In: G.E.K Ofomata (Eds). Nigeria in maps: Eastern states, Ethiopia publishers, Benin, Nigeria. pp. 5-7. |
|
|
Pimentel D, Warneke A (1989). Ecological effects of manure, sewage sludge and other organic wastes on arthropod population. Agricultural Zoology Reviews 3:1-30. |
|
|
Rowell DL (1994). Soil Science: Methods and applications. Addison, Wesley, Logman Singapore publishers (PLC) Ltd. England, UK, 350 p. |
|
|
Sanchez PA, Izac A, Valencia I, Pieri C (1996). Soil fertility replenishment in Africa. In Breth, S.A (eds) achieving greater impact from research investments in Africa. Sasakawa Africa Assoc., Mexico City. |
|
|
Thomas GW (1982). Exchangeable bases In: Page, A.L. Miller, R.H and Keeney, D.R. (Eds) part 2. Methods of soil analysis. Am. Sos. Agron. Madison, Wisconsin pp. 159-165. |
|
|
Udo EJ, Ibia TO, Ogunwale IA, Ano AO, Esu IE (2009). Manual of soil plant and water analysis. Sibon Book limited. Ferstac Lagos, pp 183. |
|
|
Uzoho BU (2005). Changes in soil physic-chemical properties as affected by distance fro a gas flare station in Izombe, S.E Nigeria. Agricultural and social research 5(2):45-54. |
|
|
Van Reeuwijk IP (1992). Procedures for soil analysis, 3rd Ed. International Soil Refrence and Information center (ISRIC), Wageningen, Netherlands 34 p. |
|
|
Walkley A, Black CA (1934). An examination of the Degtjareff method of soil organic matter and a proposed modification of thechromic acid titration method. Soil science 37(1):29-38. |
|
|
White RE (1997). Principles and practices of Soil Science: The soil is a natural resources. Cambridge University Press, UK 348 p. |
|
|
White JR, Reddy KR (1999). Influence of nitrate and phosphorus loading on denitrifying wetland soils. Soil Science Society of America Journal 63(6):1945 -1954. |
|
|
Wilding LP (1985). Spatial variability: Its documentation, accommodation, and implication to soil surveys. In: Soil spatial Variability. Nielsen, D. R., Bouma, J. (Eds). Pudoc. Wageningen, The Netherlands pp. 166-194. |
|
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