بررسی الگوی توزیع خاکدانه ای فسفر قابل استفاده و فعالیت فسفاتازهای اسیدی و قلیایی در موقعیت‌های مختلف شیب

1..Bergstrom, D., Monreal, C., and King, D. 1998. Sensitivity of soil enzyme activities to
conservation practices. Soil Sci. Soc. Am. J. 62: 1286-1295.
2.Bronick, C.J., and Lal, R. 2005. Soil structure and management: a review. Geoderma.
124: 3-22.
3.Burns, R. 1982. Enzyme activity in soil: location and a possible role in microbial ecology.
Soil Biol. Biochem. 14: 423-427.
4.Burt, R. 2004. Soil Survey Laboratory Methods Manual: Soil Survey Investigations. Version
4.0. Department of Agriculture. Natural Resources Conservation Service, 6.Nebraska:
United States.
5.Doran, J.W. 1980. Soil microbial and biochemical change associated with reduced tillage.
Soil Sci. Soc. Am. J. 44: 765-771.
6.Elliott, E. 1986. Aggregate structure and carbon, nitrogen and phosphorus in native and
cultivated soils. Soil Sci. Soc. Am. J. 50: 627-633.
7.Fansler, S.J., Smith, J.L., Bolton, H., and Bailey, V.L. 2005. Distribution of two C cycle
enzymes in soil aggregates of a prairie chronosequence. Biol. Fert. Soils. 42: 17-23.
8.Florinsky, I.V., McMahon, S., and Burton, D.L. 2004. Topographic control of soil microbial
activity: a case study of denitrifiers. Geoderma. 119: 33-53.
9.Garg, S.H., and Bahl, G.S. 2008. Phosphorus availability to maize as influenced by
organic manures and fertilizer P associated phosphatase activity in soils. Biores. Technol.
99: 573-577.
10.Gianfreda, L., and Bollag, J.M. 1996. Influence of natural and anthropogenic factors on
enzyme activity in soil. Soil Biol. Biochem. 9: 123-193.
11.Hassink, J., Bouwman, L., Zwart, K., and Brussaard, L. 1993. Relationships between
habitable pore space, soil biota and mineralization rates in grassland soils. Soil Biol.
Biochem. 25: 47-55.
12.Hojati, S., and Nourbakhsh, F. 2009. Distribution of β-glucosidase activity within aggregates
of a soil amended with organic fertilizers. Am. J. Agr. Biol. Sci. 4: 179-186.
13.Johnson, C.E., Ruiz-Méndez, J.J., and Lawrence, G.B. 2000. Forest soil chemistry and
terrain attributes in a Catskills watershed. Soil Sci. Soc. Am. J. 64: 1804-1814.
14.Kawaguchi, S., Peyara, S., and Yamada, Y. 1995. Soil properties and enzyme activity along
narrow topographic environments of salna series soil in Bangladesh. Bull. Inst. Trop. Agr.
Kyushu Univ. 18: 71-79.
15.Khalili-Rad, M., Nourbakhsh, F., Jalalian, A., and Eghbal, M.K. 2011. The effects of slope
position on soil biological properties in an eroded toposequence. Arid Land Res. Manag.
25: 308-312.
16.Kizilkaya, R., Bayrakli, F., and Surucu, A. 2007. Relationship between phosphatase activity
and phosphorus fractions in agricultural soils. Int. J. Soil Sci. 2: 107-118.
17.Kourtev, P.S., Ehrenfeld, J.G., and Haggblom, M. 2002. Exotic plant species alter the
microbial community structure and function in the soil. Ecology. 83: 3152-3166.
18.Marx, M.C., Kandeler, E., Wood, M., Wermbter, N., and Jarvis, S. 2005. Exploring the
enzymatic landscape: distribution and kinetics of hydrolytic enzymes in soil particle-size
fractions. Soil Biol. Biochem. 37: 35-48.
19.Margalef, O., Sardans, J., Fernández-Martínez, M., Molowny-Horas, R., Janssens, I.A.,
Ciais, P., Goll, D., Richter, A., Obersteiner, M., Asensio, D., and Peñuelas, J. 2017. Global
patterns of phosphatase activity in natural soils. Scientific Reports, 7p.
20.Muruganandam, S., Israel, D.W., and Robarge, W.P. 2009. Activities of nitrogenmineralization
enzymes associated with soil aggregate size fractions of three tillage systems.
Soil Sci. Soc. Am. J. 73: 751-759.
21.Nannipieri, P., Kandeler, E., and Ruggiero, P. 2002. Enzyme activities and microbiological
and biochemical processes in soil. Marcel Dekker, New York, Pp: 1-33.
22.Piotrowska-Długosz, A., and Wilczewski, E. 2014. Soil Phosphatase Activity and
Phosphorus Content as Influenced by Catch Crops Cultivated as Green Manure. Pol. J.
Environ. Stud. 23: 157-165.
23.Raiesi, F., and Beheshti, A. 2015. Microbiological indicators of soil quality and degradation
following conversion of native forests to continuous croplands. Ecol. Indic. 50: 173-185.
24.Tabatabai, M. 1994. Soil enzymes. SSSA; Madison,WI. Pp: 775-833.
25.Tajik, S., Ayoubi, S., and Nourbakhsh, F. 2012. Prediction of soil enzymes activity by digital
terrain analysis: comparing artificial neural network and multiple linear regression models.
Environ. Eng. Sci. 29: 798-806.
26.Ternan, J., Elmes, A., Williams, A., and Hartley, R. 1996. Aggregate stability of soils in
central Spain and the role of land management. Earth Surf. Proc. Land. 21: 181-193.
27.Tisdall, J., and Oades, J.M. 1982. Organic matter and water stable aggregates in soils.
J. Soil Sci. 33: 141-163.
28.Wang, B., Xue, S., Liu, G.B., Zhang, G.H., Li, G., and Ren, Z.P. 2012. Changes in soil
nutrient and enzyme activities under different vegetations in the Loess Plateau area,
Northwest China. Catena. 92: 186-195.
29.Wellington, E.M.H., Berry, A., and Krsek, M. 2003. Resolving functional diversity in
relation to microbial community structure in soil: exploiting genomics and stable isotope
probing. Curr. Opin. Microbiol. 6: 295-301.