LAND USE EFFECTS ON SOIL CARBON AND NITROGEN ENZYMES IN A HUMID TROPICAL ECOSYSTEMS OF SOUTH WESTERN NIGERIA

Acosta-Martínez, V., Mikha, M.M. and Vigil, M.F. (2007). Microbial communities and enzyme activities in soils under alternative crop rotations compared to wheat-fallow for the Central Great Plains. Appl Soil Ecol 37(1-2):41–52.

Awopegba, M., S. Oladele and Awodun, M. (2017). Effect of mulch types on nutrient composition, maize (Zea mays L) yield and soil properties of a tropical alfisol in southwestern Nigeria. Eurasian Journal of Soil Science 6 (2); 121-133.

Breuer, L., Huisman, J.A., Keller, T. and Frede, H.G. (2006). Impact of a conversion from cropland to grassland on C and N storage and related soil properties: analysis of a 60-year chronosequence. Geoderma 133, 6–18.

de Medeiros, E.V., Notaro, K.A., de Barros, J.A., Moraes, W.S., Silva, A.O. and Moreira, K.A. (2015). Absolute and specific enzymatic activities of sandy entisol from tropical dry forest, monoculture and intercropping areas. Soil Tillage Res 145:208–215.

Eivazi F, Tabatabai MA (1988) Glucosidases and galactosidases in soils. Soil Biol Biochem. 42: 2203–2210.

Fawcett JK, Scott JE (1960) A rapid and precise method for the determination of urea. J Clin Pathol 13:156–159.

Gianfreda, L. and Bollag, J.M. (1996). Influence of natural and anthropogenic factors on enzyme activity in soil. In G. Stotzky, and J.M. Bollag (ed.) Soil Biochemistry. 9 p, 123–193. Marcel Dekker, New York.

Hasanuzzaman M. and Mahmood, H. (2014a). Litter production and nutrient return through leaf litter of selected cropland agro-forest tree species in Southwestern Bangladesh. Agriculture & Forestry, 60, pp. 221–233.

Hope, C.F.A., Burns, R.G. (1978). Activity, origins and location of cellulases in a silt loam soil. Biol Fert Soils 5, 164–170. https://doi.org/10.1007/BF00257653

Kandeler, E., & Gerber, H. (1988). Short-term assay of soil urease activity using colorimetric determination of ammonium. Biology and Fertility of Soils, 6(1).

https://doi.org/10.1007/bf00257924

Ladd, J. N. and M. Amato. (1989). Relationship between microbial biomass carbon in soils and absorbance of extracts of fumigated soils. Soil Biology and Biochemistry 21: 457- 459.

Lowry O. H., Rosebrough N. J., Farr A. L. and Lewis R. J. (1951) Protein measurement with the folin phenol reagent. J. biol. Chem. 193, 265-275.

Mahmood H. and Saberi, O. (2005). Degradation rate of leaf litter of Bruguiera parviflora of mangrove forest of Kuala Selangor, Malaysia. Indian Journal of Forestry, 28, pp. 144–149.

Mahmood H. and Hoque, A.K.F. (2008). Litter production and decomposition in mangrove—a review. Indian Journal of Forestry, 3, pp. 227–238.

Mahmood, H., Siddique, M.R.H., Abdullah, S.M.R. (2014). Nutrient dynamics associated with leaching and microbial decomposition of four abundant mangrove species leaf litter of the Sundarbans, Bangladesh. Wetlands, 34(3), pp. 439–448.

Meena, A. and Rai, K.S. (2021). Assessment of soil microbial and enzyme activity in the rhizosphere zone under different land use/cover of a semiarid region. Ecological Processes 10:16.

Miller, G.L. (1959) “Use of dinitrosalicylic acid reagent for determination of reducing sugar,” Analytical Chemistry, vol. 31, no. 3, pp. 426–428.

Ngoran, A., Zakra, N. and Ballo, K. (2006). Litter decomposition of Acacia auriculiformis Cunn. Ex Benth. and Acacia mangium Wild. under coconut trees on quaternary sandy soils in Ivory Coast. Biology and Fertility of Soils, 43(1), pp. 102–106.

Pacholy, S.K. and Rice, E.L. (1973). Soil enzymes in relation to old field succession: Amylase, Invertase, Cellulase, Dehydrogenase and Urease. American Soil Science Society, 37: 47-50.

Pandey, D., Agrawal, M. and Bohra, J.S. (2014). Effects of conventional tillage and no tillage permutations on extracellular soil enzyme activities and microbial biomass under rice cultivation. Soil Tillage Res 136:51–60.

Ruggerio, P. and Radogna, V.M. (1988). Humic acids –tyrosinase interactions as a model of soil humic enzyme complexes. Soil Biology and Biochemistry, 14: 428-433.

Semwal, R.L., Maikhuri, R.K., Rao, K.S., Sen, K.K. and Saxena, K.G. (2003). Leaf litter decomposition and nutrient release patterns of six multipurpose tree species of Central Himalaya, India. Biomass and Bioenergy, 24(1), pp. 3–11.

Siddaramappa, R. and Rao, S.R. (1971). Studies on mineralisation of urea in some soils of Mysore state. Mysore Journal of Agricultural Science, 5: 150-156. Trasar-Cepeda, C., Leirósb, M.C. and Gil-Sotres, F. (2008). Hydrolytic enzyme activities in agricultural and forest soils. Some implications for their use as indicators of soil quality. Soil Biol Biochem 40(9):2146–55.

Trasar-Cepeda, C., Leirósb, M.C. and Gil-Sotres, F. (2008). Hydrolytic enzyme activities in agricultural and forest soils. Some implications for their use as indicators of soil quality. Soil Biol Biochem 40(9):2146–55.

Triadiati, S., Tjitrosemito, E., Sundarsono, G., Qayim, I. and Leuschner, C. (2011). Litterfall production and leaf-litter decomposition at natural forest and Cacao agroforestry in Central Sulawesi, Indonesia. Asian Journal of Biological Sciences, 4, pp. 221–234.

Verma, D.P. and Palani, N. (1997). Manuring of tea in south India (revised recommendations). Handbook of Tea Culture. UPASI Tea Research Institute, Valparai, TamL Nadu, pp. 1–33.

Wainwright, M., Duddridge, J. E., & Killham, K. (1982). Assay of ?-amylase in soil and river sediments: Its use to determine the effects of heavy metals on starch degradation. Enzyme and Microbial Technology, 4(1), 32–34. https://doi.org/10.1016/0141-0229(82)90007-2.

Woldeamlak, B and Stroosnijder, L. (2003). Effect of agro-ecological land watershed, Blue Nile basin, Ethiopia. Geoderma 111, 85-98.

Yeshanew, A., Welfgang, Z., Guggenbeyer, G. and Tekalign, M. (2004). Soil aggregation and total and particulate organic matter as affected by conversion of native forests to 26 years continuous cultivation in Ethiopia. 203 pp.