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Soil Science Textbook
Juma, N. G. 1999. Introduction to Soil Science and Soil Resources, Volume 1 of the Series 'The Pedosphere and Its Dynamics: A Systems Approach to Soil Science'. Salman Productions Inc., 335 pp. [Self-Published Textbook]
Plant Root and Soil Phosphatase Activity
Juma, N. G. and Tabatabai, M. A. 1988. Comparison of kinetic and
thermodynamic properties of phosphomonoesterase of soils and of corn and
soybean roots. Soil Biol. Biochem. 20:533-539. [Refereed Primary Journal Article]
Juma, N. G. and Tabatabai, M. A. 1988. Hydrolysis of organic P
compounds by phosphatases of corn and soybean roots. Plant and Soil
107:31-38. [Refereed Primary Journal Article]
Juma, N. G. and Tabatabai, M. A. 1988. Phosphatase activity of corn
and soybean roots. Plant and Soil 107:39-47. [Refereed Primary Journal Article]
Dick, W. A., Juma, N. G., and Tabatabai, M. A. 1983. Effect of soils
on acid phosphatase and inorganic pyrophosphatase of corn roots. Soil
Sci. 136:19-25. [Refereed Primary Journal Article]
Juma, N. G. and Tabatabai, M. A. 1978. Distribution of
phosphomonoesterases in soils. Soil Sci. 126:101-108. [Refereed Primary Journal Article]
Juma, N. G. and Tabatabai, M. A. 1977. Effects of trace elements on
phosphatase activity in soils. Soil Sci. Soc. Am. J. 41:343-346. [Refereed Primary Journal Article]
Juma, N. G. 1976. Phosphatase activity of soils and of corn and
soybean roots. M.Sc. thesis. Iowa State University, Ames, Iowa. [M.Sc. Thesis]
Mineralization and Immobilization of N in Soil
Broersma, K., N. G. Juma and J. A. Robertson. 2000. Plant residue and
cropping system effects on N dynamics in a Gray Luvisolic soil. Can. J.
Soil Sci. 80:277-282. [Refereed Primary Journal Article]
Broersma, K., N. G. Juma and J. A. Robertson. 1996. Net Nitrogen
Mineralization from a Gray Luvisol Under Diverse Cropping Systems in the
Peace River Region of Alberta. Can. J. Soil Sci. 76:117-123. [Refereed Primary Journal Article]
Wani, S. P., W. B. McGill, K. L. Haugen-Kozyra and N. G. Juma. 1994.
Increased proportion of active soil N in Breton loam under cropping
systems with forages and green manures. Can. J. Soil Sci. 74:67-74. [Refereed Primary Journal Article]
Juma, N. G. Paul, E .A., and Mary, B. 1984. Kinetic analysis of net
nitrogen mineralization in soil. Soil Sci. Soc. Am. J. 48:753-757. [Refereed Primary Journal Article]
Juma, N. G., and Paul, E. A. 1984. Mineralizable soil nitrogen:
Amounts and extractibility ratios. Soil Sci. Soc. Am. J. 48:76-80. [Refereed Primary Journal Article]
Juma, N. G. and Paul, E. A. 1983. Effect of a nitrification inhibitor
on N immobilization and release of 15N from non-exchangeable ammonium
and microbial biomass. Can. J. Soil Sci. 63:167-175. [Refereed Primary Journal Article]
Paul, E .A., and Juma, N. G. 1981. Mineralization and immobilization
of nitrogen by microorganisms. In Clark, F. E. and Rosswall, T. (Eds.),
Terrestrial nitrogen cycles. Ecol. Bul. (Stockholm) 33:179-195. [Refereed Primary Journal Article]
Juma, N. G. 1981. The dynamics of soil and fertilizer nitrogen. Ph.D.
Dissertation. University of Saskatchewan, Saskatoon, Saskatchewan. [Ph.D. Dissertation]
Juma, N. G., and Paul, E. A. 1981. Crop utilization and fate of fertilizer and residual nitrogen in soil. Pp. 26-36 in Proc. Alberta Soil Sci. Workshop, Lethbridge, Alberta [Non-Refereed Publication]
Microbial-Faunal-Plant Interactions in Soil
Chang, X. C. and N. G. Juma. 1996. Impact of crop rotations on
microbial biomass, faunal populations and plant C and N in a Gray
Luvisol (Typic Cryoboralf). Biol. Fertil. Soils 22:31-39. [Refereed Primary Journal Article]
Rutherford, P. M. and N. G. Juma. 1989. Dynamics of microbial biomass
and soil fauna in two contrasting soils cropped to barley (Hordeum
vulgare L.). Biol. Fertil. Soils 8:144-153. [Refereed Primary Journal Article]
Fyles, I. H., Juma, N. G. and J. A. Robertson. 1988. Dynamics of
microbial biomass and faunal populations in long-term plots on a Gray
Luvisolic soil. Can. J. Soil Sci. 68:91-100. [Refereed Primary Journal Article]
Juma, N. G. and Mishra, C. C. 1988. Effect of an annual and a
perennial crop on trophic group dynamics of nematodes. Can. J. Soil Sci.
68:101-109. [Refereed Primary Journal Article]
Plant Root Dynamics and Rhizodeposition
Xu, J. G. and N.G. Juma. 1995. Carbon kinetics in a Black Chernozem
with roots in situ. Can. J. Soil Sci. 75:299-305. [Refereed Primary Journal Article]
Xu, J. G. and N.G. Juma. 1994. Direct and indirect effects of shoot
C, root C and root length on root released C of two barley cultivars and
decomposition of the root released C in soil. Can. J. Soil Sci.
74:17-22. [Refereed Primary Journal Article]
Xu, J. G. and N. G. Juma. 1993. Above- and below-ground
transformation of photosynthetically fixed carbon by two barley (Hordeum
vulgare L.) cultivars in a Typic Cryoboroll. Soil Biol. Biochem.
25:1263-1272. [Refereed Primary Journal Article]
Xu, J. G. and N. G. Juma. 1992. Above- and below-ground net primary
production of four barley (Hordeum vulgare L.) cultivars in western
Canada. Can. J. Plant Sci. 72:1131-1140. [Refereed Primary Journal Article]
Heeraman, D. A. and N. G. Juma. 1993. A comparison of minirhizotron,
core and monolith methods for quantifying barley (Hordeum vulgare L.)
and fababean (Vicia faba L.) root distribution. Plant Soil 148:29-41. [Refereed Primary Journal Article]
Heeraman, D. A., P. H. Crown and N. G. Juma. 1993. A color composite
technique for detecting barley (Hordeum vulgare L.) root dynamics from
minirhizotron images. Plant Soil 157:275-287. [Refereed Primary Journal Article]
Heeraman, D. A., P. H. Crown and N. G. Juma. 1992. A technique for quantification of barley (Hordeum vulgare L.) root dynamics using digital image analysis. 29th Annual Alberta Soil Sci. Workshop Proc. p. 229-234. [Non-Refereed Publication]
Xu, J. G. and N. G. Juma. 1992. Root exudates of four crops and their decomposition rates in soil. 29th Annual Alberta Soil Sci. Workshop Proc. p. 235-244. [Non-Refereed Publication]
Xu, J. G. and N. G. Juma. 1991. Shoot and root mass and shoot/root ratios of four varieties of barley in north central Alberta. 28th Annual Alberta Soil Sci. Workshop Proc. p. 250-260. [Non-Refereed Publication]
Dinwoodie, G. D. and N. G. Juma. 1988. Allocation and microbial
utilization of C in two soils cropped to barley. Can. J. Soil Sci.
68:495-505. [Refereed Primary Journal Article]
Dinwoodie, G. D. and N. G. Juma. 1988. Factors affecting the
distribution and dynamics of 14C in two soils cropped to barley. Plant
and Soil 110:111-121. [Refereed Primary Journal Article]
Dinwoodie, G. D. and N. G. Juma. 1989. Comparison of carbon dynamics in a Black Chernozem versus a Gray Luvisol. Alberta Soil Science Workshop Proceedings pp.266-270. [Non-Refereed Publication]
Dynamics of Carbon and Nitrogen in Agroecosystems
Izaurralde, R.C., M. Choudhary, N.G. Juma, W.B. McGill, and L.
Haderlein. 1995. Crop and N yield in short-term legume-based rotations
practiced with zero tillage and low-input methods. Agron. J. 87:958-964. [Refereed Primary Journal Article]
Juma, N. G. 1995. Dynamics of Soil C and N in a Typic Cryoboroll and
a Typic Cryoboralf located in the Cyroboreal Regions of Alberta. Pp.
187-196 In Soil management and greenhouse effect, R. Lal, J. Kimble, E.
Levine and B. A. Stewart (eds.). CRC Lewis Publishers, Boca Raton. [Refereed Chapter]
Izaurralde, R. C., D. S. Chanasyk and N. G. Juma. 1994. Soil water
under conventional and alternative cropping systems in Cryoboreal
subhumid central Alberta. Can. J. Soil Sci. 74:85-92. [Refereed Primary Journal Article]
Juma, N. G. 1993. The role of fertilizers in rebuilding soil organic
matter. pp. 363-387. In: D. A. Rennie, C. A. Campbell and T. L. Roberts
(eds.) Impact of macronutrients on crop responses and environmental
sustainability on the Canadian Prairies. Canadian Soc. Soil Science,
Ottawa. [Refereed Chapter]
Haugen-Kozyra K., N. G. Juma and M. Nyborg. 1993. Nitrogen
partitioning and cycling in barley-soil systems under conventional and
zero tillage in Central Alberta. Can. J. Soil Sci. 73:183-196. [Refereed Primary Journal Article]
Izaurralde, R. C., N. G. Juma, W. B. McGill, D. S. Chanasyk, S.
Pawluk and M. J. Dudas. 1993. Performance of conventional and
alternative cropping systems in Cryoboreal subhumid central Alberta. J.
Agr. Sci. 120:33-41. [Refereed Primary Journal Article]
Rutherford, P. M. and N. G. Juma. 1992. Effect of glucose amendment
on microbial biomass, fertilizer 15N-recovery and distribution in a
barley-soil-system. Biol. Fertil. Soils 12:228-232. [Refereed Primary Journal Article]
Izaurralde, R. C., W. B. McGill and N. G. Juma. 1992. Nitrogen
fixation efficiency, interspecies N transfer, and root growth in
barley-field pea intercrop on a Black Chernozemic soil. Biol. Fertil.
Soils 13:11-16. [Refereed Primary Journal Article]
Choudary, M., R. C. Izaurralde and and N. G. Juma. 1992. Comparison of conventional and alternative cropping systems for central Alberta. 29th Annual Alberta Soil Sci. Workshop Proc p. 307-311. [Non-Refereed Publication]
Izaurralde, R. C., N. G. Juma and W. B. McGill. 1990. Crop and
nitrogen yield of barley and barley-field pea intercrop in
cryoboreal-subhumid central Alberta. Agron. J. 82:295-301. [Refereed Primary Journal Article]
Izaurralde, R. C., D. S. Chanasyk, and N. G. Juma. 1990. Application of the EPIC model to agroecosystems research in Alberta. p. 257-267. In 27th Annual Alberta Soil Science Workshop Proc. [Non-Refereed Publication]
Juma, N. G. and R. C. Izaurralde. 1990. Soil conservation strategies using conventional and alternatives management systems. p 247-256. In 27th Annual Alberta Soil Science Workshop Proc. [Non-Refereed Publication]
Rutherford, P. M. and N. G. Juma. 1989. Shoot, root, soil and
microbial nitrogen dynamics in two contrasting soils cropped to barley
(Hordeum vulgare L.). Biol. Fertil. Soils 8:134-143. [Refereed Primary Journal Article]
Crown, P. H., N. G. Juma, and D. S. Chanasyk. 1989. Soil and water conservation research at the University of Alberta, Edmonton. Description of Tour number 5 for the 1989 Annual Meeting of the Soil and Water Conservation Society . 11 pp. [Non-Refereed Publication]
Izaurralde, R. C., N. G. Juma and W. B. McGill. 1989. Crop and nitrogen yield of spring barley and barley-field pea intercrop in central Alberta. Alberta Soil Science Workshop Proceedings pp.258-265. [Non-Refereed Publication]
Izaurralde, R. C., Juma, N. G. and McGill, W. B. 1988. Annual legumes on Luvisolic soils. Annual Breton Plots Field Day and Soils/Crops Clinic, Dept. Soil Science, Univ. Alberta p. 15-21. [Non-Refereed Publication]
Juma, N. G. and McGill, W. B. 1986. Decomposition and nutrient
cycling in agro-ecosystems. P. 74-136 in Microfloral and faunal
interactions in natural and agro-ecosystems. M. J. Mitchell and J. P.
Nakas (Eds.) Martinus Nijhoff/Dr. W. Junk Publishers. [Refereed Chapter]
Dynamics of Carbon and Nitrogen in the Breton Plots and Long-term Crop Rotations
Paul, E. A., Collins, H. P., Paustian, K., Elliott, E. T, Frey, S., Juma, N., Janzen, H., Campbell, C. A., Zentner, R. P., Lafond, G. P., and Moulin, A. P. 2004. Management effects on the dynamics and storage rates of organic matter in long-term crop rotations. Can. J. Soil Sci. 84:49-61.[Refereed Primary Journal Article]
Izaurralde, R.C., W. B. McGill, J. A. Robertson, N. G. Juma, and J.
T. Thurston. 2001. Carbon balance of the Breton classical plots over
half a century. Soil Sci. Soc. Am. J. 65:431-441. [Refereed Primary Journal Article]
Grant, R. F., N. G. Juma, J. A. Robertson, R. C. Izaurralde and W. B.
McGill. 2001. Long-term changes in soil C under different fertilizer,
manure and rotation: testing the mathematical model ecosys with
data from the Breton plots. Soil Sci. Soc. Am. J. 65:205-214. [Refereed Primary Journal Article]
Campbell, C. A., H. H. Janzen and N. G. Juma. 1998. Case studies of
soil quality in the Canadian Prairies: Long-term field experiments.
Pages 351-397 In E. G. Gregorich and M. R. Carter (eds.) Soil quality
for crop production and ecosystem health. Elsevier Science Publishers,
Amsterdam, The Netherlands. [Refereed Chapter]
Janzen, H. H., C. A. Campbell, R. C. Izaurralde, B. H. Ellert, N. Juma, W. B. McGill and R. P. Zentner. 1998. Management effects on soil C storage on the Canadian Prairies. Soil & Tllage Research 47: 181-195. [Refereed Primary Journal Article]
Juma, N. G., Izaurralde, R. C., Robertson, J. A., McGill, W. B. 1997.
Crop yield and soil organic matter trends over 60 years in a Typic
Cryoboralf at Breton, Alberta. Pages 273-281 in E. A. Paul, K. Paustian,
E. T. Elliott, and C. V. Cole, eds., Soil Organic Matter in Temperate
Agroecosystems. Long-term Experiments in North America. CRC Press, Boca
Raton. [Refereed Chapter]
Juma, N. G., Robertson, J. A., Izaurralde, R. C. and McGill, W. B.
1997. Breton, Alberta: Crop rotations on a northern wooded soil. in E.
A. Paul, K. Paustian, E. T. Elliott, and C. V. Cole, eds., Soil Organic
Matter in Temperate Agroecosystems. Long-term Experiments in North
America. CRC Press, Boca Raton. Chapter published on a 3.5" disk
accompanying the volume. [Refereed e-Chapter]
Juma, N. G. 1995. Dynamics of Soil C and N in a Typic Cryoboroll and
a Typic Cryoboralf located in the Cyroboreal Regions of Alberta. Pp.
187-196 In Soil management and greenhouse effect, R. Lal, J. Kimble, E.
Levine and B. A. Stewart (eds.). CRC Lewis Publishers, Boca Raton. [Refereed Chapter]
Izaurralde, R.C., M. Choudhary, N.G. Juma, W.B. McGill, and L.
Haderlein. 1995. Crop and N yield in short-term legume-based rotations
practiced with zero tillage and low-input methods. Agron. J. 87:958-964. [Refereed Primary Journal Article]
Izaurralde, R.C., Y. Feng, J.A. Robertson, W.B. McGill, N.G. Juma,
and B.M. Olson. 1995. Long-term influence of cropping systems, tillage
methods, and N sources on nitrate leaching. Can. J. Soil Sci.
75:497-505. [Refereed Primary Journal Article]
Izaurralde, R.C., N.G. Juma, J.A. Robertson, W.B. McGill, and J.T.
Thurston. 1995. The Breton Classical Plots Dataset. p.351-362 In D.S.
Powlson, P. Smith, and J.U. Smith (eds.) Evaluation of soil organic
matter models using existing long-term datasets. NATO ASI Series I, Vol.
38, Springer-Verlag, Heidelberg. [Refereed Chapter]
Juma, N. G. 1986. Development of new management systems to counteract soil degradation - Experimental design and layout at Breton. P. 50-51 in J. A. Robertson (ed), Breton Plots: Field day and soil, crop clinic (July 4, 1986). The University of Alberta, Edmonton, Alberta [Non-Refereed Publication]
Dynamics of Nitrogen in Forest Ecosystems
Gower, D. A., M. Nyborg and N. G. Juma. 1991 Nitrogen and sulphur
dynamics in limed, elemental sulphur-polluted, forest soils. Soil Biol.
Biochem. 23:145-150. [Refereed Primary Journal Article]
Simulation Modeling of Mineralization and
Immobilization in Soil
Grant, R. F., N. G. Juma and W. B. McGill. 1993. Simulation of carbon
and nitrogen transformations in soils. I. Mineralization. Soil Biol.
Biochem. 25:1317-1329. [Refereed Primary Journal Article]
Grant, R. F., N. G. Juma and W. B. McGill. 1993. Simulation of carbon
and nitrogen transformations in soils. II. Microbial biomass and
metabolic products. Soil Biol. Biochem. 25:1331-1338. [Refereed Primary Journal Article]
Rutherford, P. M. and N. G. Juma. 1992. Simulation of
protozoa-induced mineralization of bacterial carbon and nitrogen. Can.
J. Soil Sci. 72: 201-216 [Refereed Primary Journal Article]
Rutherford, P. M. and N. G. Juma. 1992. Validation of the model
describing protozoa-induced mineralization of bacterial C and N. Can. J.
Soil Sci. 72:217-228. [Refereed Primary Journal Article]
Juma, N. G., and Paul, E. A. 1981. Use of tracers and computer
simulation techniques to assess mineralization and immobilization of
soil nitrogen. p.145-154 in M. J. Frissel and J. A. van Veen (Eds.)
Simulation of nitrogen behavior of soil-plant systems. Pudoc,
Wageningen, The Netherlands. [Refereed Chapter]
Bosatta, E., Iskandar, I. K., Juma, N. G., Kruh, G., Reuss, J. O.,
Tanji, K. K., van Veen, J. A. 1981. Status report on modelling of the
processes. 3.2 Soil microbiology. p. 38-44 in M. J. Frissel and J. A.
van Veen (Eds.) Simulation of nitrogen behavior of soil-plant system.
Pudoc, Wageningen, The Netherlands. [Refereed Chapter]
Interrelationships between Soil Structure,
Organisms and Plant Productivity
Juma, N. G., and Plante, A. 1998. Microbial-faunal interactions and soil organic matter dynamics: Impacts of spatial and temporal soil matrix dynamics. Pages 1-7, Symposium 9. Conference proceedings of the invited paper presented at the International Soil Science Society Congress held in Montpellier, France in August 1998. [Non-Refereed Publication]
Chen, Z., S. Pawluk, and N. G. Juma. 1997. Impact of variations in
granular structures on carbon sequestration in two Alberta Mollisols.
Pages 225-243, in Soil processes and the carbon cycle, R. Lal, J. M.
Kimble, and B. A. Stewart (eds.), CRC Press, Boca Raton. [Refereed Chapter]
Chen, Z., N. G. Juma and S. Pawluk. 1997. Reclamation of an artificially eroded Gray Luvisol and a Black Chernozem. Pages 93-101, In the 34th Annual Alberta Soil Science Workshop Proceedings. [Non-Refereed Publication]
Brussaard, L. and N. G. Juma. 1996. Organisms and humus in soils.
pp.329-359. In: A. Piccolo (ed.) Humic substances in terrestrial
ecosystems. Elsevier, Amsterdam. [Refereed Chapter]
Juma, N. G. 1994. A conceptual model to link carbon and nitrogen
cycling to soil structure formation. Agric., Ecosystems and the Environ.
51:257-267. [Refereed Primary Journal Article]
Juma, N. G. 1993. Interrelationships between soil structure/texture,
soil biota/soil organic matter and crop production. Geoderma 57:3-30. [Refereed Primary Journal Article]
Rutherford, P. M. and N. G. Juma. 1992. Influence of soil texture on
protozoa-induced mineralization of bacterial carbon and nitrogen. Can.
J. Soil Sci. 72:183-200. [Refereed Primary Journal Article]
Rutherford, P. M. and N. G. Juma. 1992. Influence of texture on
habitable pore space and bacterial-protozoan populations in soil. Biol.
Fertil. Soils 12:221-227. [Refereed Primary Journal Article]
Onsite, Private, Soil-based Sewage Treatment
Systems
N. G. Juma, B. S. Chhabra, S. Khan, S. Singh, A. Durnie and A. Chu. 2010. Comparison of performance of four, pressurized, soil-based dispersal systems at an at-grade installation in Leduc County, Alberta. Department of Renewable Resources, University of Alberta, Edmonton, AB, Canada. Final report submitted to Canada Mortgage and Housing Corporation, Ottawa, ON; Alberta Munipal Affairs, Edmonton, AB; Leduc County, AB. 50 pp. [Non-Refereed Publication]
N. G. Juma and S. Khan. 2009. Field Testing of Results Obtained From The "Methods to Quantify and Evaluate The Treatment Performance of Onsite Sewage Treatment Systems in Alberta" Project To the Leduc County Research Site. Department of Renewable Resources, University of Alberta, Edmonton, AB, Canada. Final report submitted to Alberta Munipal Affairs, Edmonton, AB. 31 pp. [Non-Refereed Publication]
Juma, N. G., Bitterlich, I., and Rahman, M. H. 2007. Scientific investigation of pressurized, at-grade, private sewage treatment systems. Department of Renewable Resources, University of Alberta, Edmonton, Alberta, Canada. Final report submitted to Safety Codes Council, Edmonton, 64 pp. [Non-Refereed Publication]
Animal-Plant-Soil Ecology
McInenly, L. E., Merrill, E. H., Cahill, J. F., and Juma, N. G. 2010. Festuca campestris alters root morphology and growth in response to simulated grazing and nitrogen form. Functional Ecology 24:283-292. [Refereed Primary Journal Article]
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