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196 Enzymes In Tropical Soils

Tisdale, S.L, W.L. Nelson, and J.D. Beaton. 1985. Soil Fertility and Fertilizers. 4th ed.
Macmilan Publ. Co., New York.
Tokunaga, T.K., J. Wan, M.K. Firestone, T.C. Hazen, K.R. Olson, D.J. Herman, S.R. Sutton, and
A. Lanzirotti. 2003. In situ reduction of chromium (VI) in heavily contaminated soil
through organic carbon amendment. J. Environ. Qual., 32:1641-1649.
Trasar-Cepeda, M.C. and F. Gil-Sotres. 1987. Phosphatase activity in acid high organic
matter soils in Galicia (NW Spain). Soil Biol. Biochem., 19:281-287.
Trasar-Cepeda, M.C. and F. Gil-Sotres. 1988. Kinetics of acid phosphatase activity in various
soils of Galicia (NW Spain). Soil Biol. Biochem., 20:275-280.
Trasar-Cepeda, M.C., T. Carballas, F. Gil-Sotres, and E. De Blass. 1991. Liming and the
phosphatase activity and mineralization of phosphorus in an andic soil. Soil Biol.
Biochem., 23:209-215.
Trehan, S.P. and G.S. Sekhon. 1977. Effect of clay, organic matter, and CaCO 3 content on Zn
adsorption by soils. Plant Soil, 46:329-338.
Tu, C.L., T.B. He, C.Q. Liu, and X.H. Lu. 2012. Effects of land use and parent materials on
trace elements accumulation in topsoil. J. Environ. Qual., 42(1):103-110.
Turner, B.L. 2012. Variation in pH optima of hydrolytic enzyme activities in tropical rain
forest soils. Appl. Environ. Microbiol., 76:6485-6493.
Tyler, L.D. and M.B. McBride. 1982. Mobility and extractability of cadmium, copper, nickel,
and zinc in organic and mineral soil columns. Soil Sci., 134:198-205.
Udo, E.J., H.L. Bohn, and T.C. Tucker. 1970. Zinc adsorption by calcareous soils. Soil Sci. Soc.
Amer. Proc., 34:405-407.
Erchot, L.V. and T. Borelli. 2005. Application of para-nitrophenol (p-NP) enzyme assay in
degraded tropical soils. Soil Biol. Biochem., 37:625-633.
Vile, M.A., M.J.V. Novak, E. Brizova, R.K. Wieder, and W.R. Schell. 1995. Historical rates of
210
atmospheric Pb deposition using Pb dates peat cores: corroboration, computation,
and interpretation. Water Air Soil Pollut., 70:89-106.
Vinotha, S.P., K. Parthasarathi, and L.S. Ranganathan. 2000. Enhanced phosphatase activity
in earthworm casts is more of microbial origin. Current Sci., 79:1158-1159.
Vuorinen, A.H. 1993. Requirement of p-Nitrophenol standard for each soil. Soil Biol.
Biochem., 25(2):295-296.
Wang, J.D., C.S. Jang, Y.H. Hwang, and Z.S. Chen. 1982. Lead contamination around a
kindergarten near a battery recycling plant. Bull. Environ. Toxicol., 49:23-30.
Wang, D., S.A. Bradford, M. Paradelo, W.J.G.M. Peijnenburg, and D. Zhou. 2012. Facilitated
transport of copper with hydroxyapatite nanoparticles in saturated sand. Soil Sci.
Soc. Am. J., 76:375-388.
Wang, Z., L. Chai, Z. Yang, Y. Wang, and H. Wang. 2010. Identifying sources and assessing
potential risk of heavy metals in soils from direct exposure to children in a mine-
impacted city, Changsha, China. J. Environ. Qual., 39:1616-1623.
Watts, D.B., H.A. Torbert, S.A. Prior, and G. Huluka. 2010. Long-term tillage and poultry
litter impacts soil carbon and nitrogen mineralization and fertility. Soil Sci. Soc. Am.
J., 74:1239-1247.

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