Current Research in Agricultural Sciences
December 2017, Volume 4, 4, pp 96-102
Land use systems, Soil series, Physical, Chemical properties, Contrasting soils, USDA classification.
[1] P. H. Nye and D. J. Greenland, "Changes in soil after clearing tropical forest," Plant Soil, vol. 21, pp. 101-112, 1964. View at Google Scholar | View at Publisher
[2] M. V. Braunak, J. S. Hewit, and A. R. Dexter, "Brittle Fracture of soil aggregates and the compaction of aggregate beds," Journal of Soil Science, vol. 30, pp. 653-667, 1979. View at Google Scholar | View at Publisher
[3] R. Lal and J. M. Kimble, "Conservation tillage for carbon sequestration," Nutrient Cycling in Agroecosystems, vol. 49, pp. 243-253, 1997. View at Google Scholar
[4] J. Tisdall and J. Oades, "Organic matter and water stable aggregates in soils," Journal of Soil Science, vol. 33, pp. 141-163, 1982. View at Google Scholar | View at Publisher
[5] O. A. Denton and G. A. Gbadegeshin, "Spatial variability in soil properties of a continously cultivated land," African Journal of Agricultural Research, vol. 8, pp. 475-483, 2013.View at Google Scholar
[6] S. S. Soil and T. Soil, A basic system of soil classification for making and interpreting soil surveys. USDA-SCs Agric. Hand book 436. Washington D.C.: U.S. Govt. Printing Office, 1992.
[7] P. R. Day, Particle fractionation and particle size analysis, in black. C.A. Ed. Methods of soil analysis. Part 1. Madison, Wisconsin: American Society of Agronomy Inc, 1965.
[8] E. O. Mclean, Aluminum: In methods of soil analysis (Ed. C. A. Black) Agronomy No. 9 Part 2. Madison, Wisconsin: American Society of Agronomy, 1965.
[9] M. L. Jackson, Soil chemical analysis. Engle Wood Cliffs, New Jersey: Prentice Hall Inc, 1958.
[10] S. R. Olsen, "Test of an ascorbic acid method for determining phosphorus in water NaHCO3 extracts from the soil," Soil Science Society of America, Proceedings, vol. 29, pp. 677-678, 1965.
[11] J. M. Bremner and C. S. Mulvaney, Nitrogen-total. In: Methods of soil analysis, Part 2 Chemical and Microbiological Properties (Ed. A.L. Page). Madison: SSSA Book Series No: 9, 1982.
[12] L. E. Allison, Organic Carbon in method of soil analysis, black C. A (Ed). USA: American Society of Agronomy, 1965.
[13] D. L. Sparks, Methods of soil analysis, parts 3 chemical methods. Madison: SSSA and ASA, 1965.
[14] N. Brady and R. Weil, The nature and properties of soils, 12th ed. New York: Macmillian Ltd, 2002.
[15] A. A. Agboola and O. J. Ayodele, "Prospects and problem of using soil testing for adoption of fertilizer use in Ekiti Akoko. Agricultural development project area," in Proceeding of Workshop on Appropriate Technologies for Farmers in Semi-Arid West Africa. Purdue University Press West Lafayette Indiana, 1985, pp. 123- 136.