Urease activity and urea hydrolysis in soils treated with sewage

Beri, 1978, Urease activity and its Michaelis constant for soil systems, Plant Soil, 49, 105, 10.1007/BF02149912 Berrow, 1972, Trace elements in sewage sludges, J. Sci. Food Agric., 23, 93, 10.1002/jsfa.2740230112 Bremmer, 1960, Determination of nitrogen in soil by Kjeldahl's method, J. Agric. Sci., 55, 11, 10.1017/S0021859600021572 Bremner, 1978, Urease activity in soil, 149 Burns, 1972, Concerning the location and persistence of soil urease, 36, 308 Dalal, 1975, Urase activity in some Trinidad soils, Soil Biol. Biochem., 7, 5, 10.1016/0038-0717(75)90022-X Douglas, 1970, Extraction and colorimetric determination of urea in soils, 34, 859 Frankenberger, 1983, Urease activity in sewage sludge-amended soils, Soil Biol. Biochem., 15, 543, 10.1016/0038-0717(83)90048-2 Frost, 1961, Kinetics and Mechanism, 77 Gould, 1973, Factors affecting urea hydrolysis in several Alberta soils, Plant Soil, 38, 393, 10.1007/BF00779021 Hesse, 1971, A Textbook of Chemical Analysis, 88 Kumar, 1984, Urease activity and kinetics of urea transformation in soil, Soil Sci., 137, 263, 10.1097/00010694-198404000-00008 Lloyd, A.B. and M.J. Sheaffe, Urease activity in soils. Plant Soil, 39: 71–80. Lund, 1976, Movement of heavy metals below sewage disposal ponds, J. Environ. Qual., 5, 330, 10.2134/jeq1976.00472425000500030023x McGarity, 1967, A survey of urease activity in soils of northern New South Wales, Plant Soil, 27, 217, 10.1007/BF01373391 Myers, 1968, The urease activity in profiles of five great soil groups from northern New South Wales, Plant Soil, 28, 25, 10.1007/BF01349175 Walkley, 1934, An examination of the method for determination of soil organic matter and a proposed modification of the chromic acid titration method, Soil Sci., 37, 29, 10.1097/00010694-193401000-00003 Yadav, 1987, Effect of temperature and moisture on kinetics of urea hydrolysis and nitrification, Aust. J. Soil Res., 25, 185, 10.1071/SR9870185 Zantua, 1975, Comparison of methods of assessing urease activity in soils, Soil Biol. Biochem., 7, 291, 10.1016/0038-0717(75)90069-3 Zantua, 1977, Relationships between urease activity and other soil properties, Soil Sci. Soc. Am. J., 41, 350, 10.2136/sssaj1977.03615995004100020036x