Page 199 - Enzymes in Tropical Soils
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Enzymes in Tropical Soils 187
Nakas, J.P., W.D. Gould, and D.A. Klein. 1987. Origin and expression of phospatase activity
in a semi-arid grassland soil. Soil Biol. Biochem., 19(1):13-18.
Nannipieri, P., B.Ceccanti, S. Cervelli, and E. Matarese. 1980. Extraction of phosphatase,
urease, protease, organic carbon, and nitrogen from soil. Soil Sci. Soc. Am. J.,
44:1011-1016.
Nannipieri, P., I. Sastre, L. Landi, M.C. Lobo, and G. Pietramellara. 1996. Determination of
extracellular neutral phosphomonoesterase activity in soil. Soil Biol. Biochem.,
28(1):107-112.
Naseby, D.C. and J.M. Lynch. 1997. Rhizosphere soil enzymes as indicators of pertubations
caused by enzyme substrate addition and innoculation of a genetically modified
strain of Pseudomonas fluorescens on wheat seed. Soil Biol. Biochem., 29(9-
10):1353-1362.
Nasution, U. 1986. Origin and range of enzymes in soils. pp.51-80. In R.G. Burns (Ed.). Soil
Enzymes. Academic Press, London, New York, San Fransisco.
Neal, J.L. 1990. Phosphatase enzyme activity at subzero temperature in Arctic tundra soils.
Soil Sci. Biochem., 22:883-884
Nicholson, F.A., K.C. Jones, and A.E. Johnston. 1994. Effect of phosphate fertilizers and
atmospheric deposition on long-term changes in the cadmium content of soil and
crops. Environ. Sci. Technol., 28:2170-2175.
Norvell, W.A., H. Dabkowska-Naskret, and E.E. Cary. 1987. Effect of phosphorus and zinc
2+
fertilization on the solubility of Zn in two alkaline soils. Soil Sci. Soc. Am.J., 51:584-
588.
Oporto, C., C. Vandecasteele, and E. Smolders. 2007. Elevated cadmium concentrations in
potato tubers due to irrigation with river water contaminated by mining in Porosi
Bolivia. J. Environ. Qual., 36:1181-1186.
Parfitt, R.L., D.J. Giltrap, and J.S. Whitton. 1995. Contribution of organic matter and clay
minerals to the cation exchange capacity of soils. Commun. Soil Sci. Plant Anal.,
26:1343-1355.
Park, S.C., T.C. Smith, and M.S. Bisesi. 1992. Activities of phosphomonoesterase and
phosphodiesterase from Lumbriscus terrestris. Soil Biol. Biochem., 24:873-876.
Pang, P.C.K. and H. Kolenko. 1986. Phosphomonoesterase activity in forest soils. Soil Biol.
Biochem., 18:35-40.
Paterson, E., B.A. Goodman, and V.C. Farmer. 1991. The chemistry of aluminum, iron, and
manganese oxides in acid soils. pp. 97-124. In B. Ulrich and M.E. Sumner (Eds.). Soil
Acidity. Springer-Verlag, New York.
Penn, C.J., J.G. Warren, and S. Smith. 2010. Maximizing ammonium nitrogen removal from
solution using different zeolites. J. Environ. Qual., 39:1478-1485.
Pereira, B.F.F., Z. He, P.J. Stoffella, C.R. Montes, A.J. Melfi, and V.C. Baligar. 2012. Nutrients
and nonessential elements in soil after 11 years of wastewater irrigation. J. Environ.
Qual., 41:920-927.
Pujiyanto, Sudarsono, A. Rachim, S. Sabiham, A. Sastiono, and J.B. Baon. 2003. Pengaruh
bahan organik dan jenis tanaman penutup tanah terhadap bentuk bahan organik
Abdul Kadir Salam - 2014

