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Alistair F (1979). Pitty Geography and soil properties, Taylor and Francis. Anderson H, Hepburn A (1986). Variation of humic substances within peat profile. In: Peat and water (Ed. C. H. Fuchsman), N.Y.: Academic Press, 177-194. Anonim (2003). Türk Standardı TS 5869 ISO 5073. Kahverengi kömürler ve linyitlerde humik asitlerin tayini. Bascomb C L (1964). Rapid method for the determination of cation exchange capacity of calcareous and non-calcareous soils. J. Sci. Food Agric. 15:821-823. Bauer A, Black A L (1994). Quantification of the effect of soil organic matter content on soil productivity. Soil Sci. Soc. Am. J. 58, 185-193. Berg B, McClaugherty C (2003). Plant litter: decomposi- tion, humus formation, carbon sequestration. Springer- Verlag, Berlin-Heidelberg, Germany. 286 pp. Bozkurt M (2005). Ayrışma Dereceleri Farklı Peatlerin Humik Asit Kapsamlarının İki Ayrı Yöntemle Karşılaştırılması. A.Ü.Fen Bilimleri Enstitüsü. Yayınlanmamış Yüksek Lisans Tezi. Brady N C (1990). The Nature and Properties of Soils. Tenth edition. Macmillan Publ. Co., New York, NY. Bremner J M (1996). Nitrogen Total. in D.L. Sparks (Eds) Methods of Soil Analysis, Part 3, Chemical Methods, SSSA Book Series Number 5, SSSA., Madison,WI, P:1085-112. Bridgham S D, Richardson C J (1993). Hydrology and nutrient gradients in North Carolina peatlands. Wetlands 13:207-218. Chapman H D (1965). Cation-exchange capacity. In: C. A. Black (ed.). Methods of soil analysis - Chemical and microbiological properties. Agronomy 9:891-901. Collins D W, Maydew E L, Weiss I S (1997). Changes in the value-relevance of earnings and book values over the past forty years. Journal of Accounting and Economics, 24(1), 39. Çelik C (2003). Tabiat ananın gizemli hediyesi; humik maddeler (II), Hasad Dergisi, Yıl: 19, Sayı: 217. Dikici H, Yılmaz C H (2006). Peat Fire Effects on Some Properties of an Artificially Drained Peatland. J. Environ. Qual., 35(3):866-870. Doran J W, Parkin T B (1994). Defining and assessing soil quality. Doran, J.W., et al., (Eds.), Defining Soil Quality for a Sustainable Environment. Special Publication No. 35. Soil Science Society of America, Madison, WI, pp. 3-21. Garnier-Sillam E, Hariyento S, Bourezgui Y (1999). Humic substances in peats. Analysis, 27(5), 405-408. Gülçur F (1974). Topragın Fiziksel ve Kimyasal Analiz Metodları, İstanbul Üniversitesi Orman Fakültesi Yayınları, İ. Ü. Yayın No: 1970, O. F. Yayın No: 201, Kutulmuş Matbaası, İstanbul. Helmke P A, Sparks D L (1996). Lithium, Sodium, Potassium, Rubidium, and Calcium, in Sparks, D.L., (Eds). Methods of Soil Analysis, Part 3, Chemical Methods, SSSA Book Series Number 5, SSSA., Madison,WI, P:551-574. John B, Yamashita T, Ludwig B, Flessa H (2005). Storage of organic carbon in aggregate and density fractions of soils under different types of land use. Geoderma. 128:63-79. Kaila A (1958). Effect of superphosphate on the mobilization of nitrogen in a peat soil. J. Sci. Agric. Soc. Finland, 30:114-124. Kuo S (1996). Phosphorus. (Methods of Soil Analysis: Chemical Methods. Part 3. Madison, WI., USA: Ed. Sparks, D. L.) 869-921. Leeper G W, Uren N C (1993). Soil science, an introduction (5th edn ed.). Melbourne: Melbourne University Press. ISBN 0-522-84464-2. Lindsay, W.L., ve Norvell, W.A., (1978). Development of a DTPA Micronutrient Soil Test for Zinc, Iron, Manganese, and Copper. SSSA. Journal, 42:421-428. Miller R W, Gardiner D T (1998). Soils in Our Environment. Eight edition. Prentice Hall, Upper Saddle River, NJ. Nelson D W, Sommers L E (1996). Total Carbon, Organic Carbon, and Organic Matter. in D.L. Sparks (Eds) Methods of Soil Analysis, Part 3, Chemical Methods, SSSA Book Series Number 5, SSSA., Madison,WI, P: 961 1011. Odin, S., Huminsauren. Th. Steinkopff, Dresden und Leipzig, 1922, 199 pp. Okruszko H (1993). Transformation of fen-peat soils under the impact of draining. Zeszyty Problemowe Postepow Nauk Rolniczych, 406:3-73. Page A L (1982). Methods of Soil Analysis Part 2, American Society of Agronomy, Inc., Madison, Wisconsin. Ponnamperuma F N (1972). The chemistry of submerged soils. Adv. Agron. 24:29-96. Puget P, Lal R (2005). Soil organic carbon and nitrogen in a Mollisol in central Ohio as affected by tillage and land use. Soil and Tillage Research. 80: 211-213. Reid B (1999). University of New Mexico, Owner of Mesa Verde Resources. Rhoades J D (1996). Salinity: Electrical conductivity and total dissolved gasses. p. 417-437. In D.L. Sparks (ed.) Methods of soil analysis. Part 3. SSSA Book Ser. 5. SSSA, Madison, WI. Scheffer B (1976). Nitrogen transformations in fen soils (in German). Landwirtschaftliche Forschung, 33:20-28, J.D. SauerlDnder's Verlag, Frankfurt-am-Main, Germany. Schnitzer M, Khan S U (1972). Humic Substances in the Environment. Marcel Dekker, Inc., New York, NY. Seeber J, Seeber G U H (2005). Effects of landuse changes on humus forms on alpine pastureland (Central Alps, Tyrol). Geoderma. 124:215-222. Sparks D L (2003). Environmental Soil Chemistry 2nd Ed., Academic Press, Amsterdam, The Netherlands. Thomas G W (1996). Soil pH and Acidity. (Methods of Soil Analysis: Chemical Methods. Part 3. Madison, WI., USA: Ed. Sparks, D.L.) 475-491. Yano Y, McDowell W H, Aber J D (2000). Biodegra-dable dissolved organic carbon in forest soil solution and effects of chronic nitrogen deposition. Soil Biology and Biochemistry 32, 1743-1751. Zhang C H, Wang Z M, Ju W M, Ren C Y (2011). "Spatial and Temporal Variability of Soil C/N Ratio in Songnen Plain Maize Belt," Environmental Science, Vol. 32, No. 5, pp. 1407-1414.