Soil Biology & Biochemistry 1992: Vol 24 Table of Contents

15 Pages·1992·2.6 MB·English

SOIL BIOLOGY
&
BIOCHEMISTRY
Volume Contents and Author
Index
Volume 24 1992
Pergamon Press
Oxford New York Seoul Tokyo
SOIL BIOLOGY & BIOCHEMISTRY
isss-aiss-i8G Cooperating Journal of the International Society of Soil Science
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CONTENTS
Volume 24 Number 1
1. P. Thompson, C. S. Young, 1 Survival of two ecologically distinct bacteria (Flavobacterium and
K. A. Cook, G. Lethbridge and Arthrobacter) in unplanted and rhizosphere soil: field studies
R. G. Burns
Clinton F. Hodges Interaction of cyanobacteria and sulfate-reducing bacteria in
subsurface black-layer formation in high-sand content golf greens
Dave Bachoon and Ronald D. Jones Potential rates of methanogenesis in sawgrass marshes with peat
and marl soils in the Everglades
J. D. Gaynor Microbial hydrolysis of diclofop-methy! in soil
R. A. Date and L. S. Hurse Growth, competitiveness and effectiveness of spontaneous
antibiotic resistant strains of Bradyrhizobium for Desmodium
intortum cv Greenleaf
L. S. Hurse and R. A. Date Competitiveness of indigenous strains of Bradyrhizobium on
Desmodium intortum cv Greenleaf in three soils of south east
Queensland
L. Gianfreda, M. A. Rao Adsorption, activity and kinetic properties of urease on montmoril-
and A. Violante lonite, aluminium hydroxide and Al(OH),—montmorillonite
complexes
B. Kholdebarin and J. J. Oertli Allelopathic effects of plant seeds on nitrification: effects on
ammonium oxidizers
B. Kholdebarin and J. J. Oertli Allelopathic effects of plant seeds on nitrification: effects on nitrite
oxidizers
S. D. Hamilton, C. J. Smith, A model based on measurement of soil and plant '°N enrichment
P. M. Chalk and P. Hopmans to estimate N, fixation by soybean (G/ycine max L. Merrill) grown
in pots
Forthcoming Papers
Volume 24 Number 2
R. James Cook 81 In memoriam: Stephen Denis Garrett
Amar M. Chaudri, 83 Metal tolerance of isolates of Rhizobium leguminosarum biovar
Steve P. McGrath and trifolii from soil contaminated by past applications of sewage sludge
Kenneth E. Giller
M. Balabane and J. Balesdent Input of fertilizer-derived labelled N to soil organic matter during a
growing season of maize in the field
J. Balesdent and M. Balabane Maize root-derived soil organic carbon estimated by natural '°C
abundance
M. Van Gestel, J. N. Ladd Microbial biomass responses to seasonal change and imposed
and M. Amato drying regimes at increasing depths of undisturbed topsoil profiles
J. Cortez and R. Hameed Mineralization of '*N-labelled organic compounds adsorbed on soil
size fractions: effect of successive wheat cropping
T. B. Moorman, M. W. Broder Kinetics of EPTC biodegradation and the effects of the inhibitor
and W. C. Koskinen dietholate in solids
M. D. Mullen, D. C. Wolf, Sorption of heavy metals by the soil fungi Aspergillus niger and
T. J. Beveridge and G. W. Bailey Mucor rouxii
Aviva Hadas, M. Sofer, Assimilation of nitrogen by soil microbial population: NH, versus
J. A. E. Molina, P. Barak organic N
and C. E. Clapp
A. S. Raghubanshi Effect of topography on selected soil properties and nitrogen
mineralization in a dry tropical forest
M. G. Manjanatha, Tn5 mutagenesis of Chinese Rhizobium fredii for siderophore
T. E. Loynachan and A. G. Atherly overproduction
P. H. J. F. van den Boogert and Population dynamics of the mycoparasite Verticillium biguttatum
H. Velivis and its host, Rhizoctonia solani
Zhao Xiaoyan, Zhou Likai and Urea hydrolysis in a brown soil: effect of hydroquinone
Wu Guanyun
V. Wolters and R. G. Joergensen Microbial carbon turnover in beech forest soils worked by
Aporrectodea caliginosa (Savigny) (Oligochaeta: Lumbricidae)
Short Communications
T. Mueller, R. G. Joergensen Estimation of soil microbial biomass C in the presence of living roots
and B. Meyer by fumigation—extraction
J. V. D. Rousseau, C. P. P. Reid Relationship between biomass of the mycorrhizal fungus Piso/ithus
and R. J. English tinctorius and phosphorus uptake in loblolly pine seedlings
D. A. Wardle and D. Parkinson Influence of the herbicides 2,4-p and glyphosate on soil microbial
biomass and activity: a field experiment
Forthcoming Papers
Volume 24 Number 3
Mark W. Davis and 189 Evaluation of methods to extract ergosterol for quantitation of soil
Richard T. Lamar fungal biomass
S. J. Gonzalez-Prieto, Incorporation of the degradation products of 'C,’°N-glycine in
M. Carballas and T. Carballas various forms of organic carbon and nitrogen in two acid soils
R. J. Haynes and P. H. Williams Accumulation of soil organic matter and the forms, mineralization
potential and plant-availability of accumulated organic sulphur:
effects of pasture improvement and intensive cultivation
P. G. Hartel and B. L. Haines Effects of potential plant CS, emissions on bacterial growth in the
rhizosphere
C. M. Lai and M. A. Tabatabai Kinetic parameters of immobilized urease
W. De Boer, A. Tietema, The chemolithotrophic ammonium-oxidizing community in a
P. J. A. Klein Gunnewiek and nitrogen-saturated acid forest soil in relation to pH-dependent
H. J. Laanbroek nitrifying activity
A. Tietema, W. De Boer, L. Riemer Nitrate production in nitrogen-saturated acid forest soils: vertical
and J. M. Verstraten distribution and characteristics
J. Monza, E. Fabiano and A. Arias Characterization of an indigenous population of rhizobia nodulating
Lotus corniculatus
Hamid Amir et Nourredine Mahdi Corrélations entre quelques caractéristiques écologiques de
différentes souches de Fusarium avec référence particuliére a leur
persistance dans le sol
M. Diaz-Ravifia, A. Prieto, Fumigation-extraction method to estimate microbial biomass in
M. J. Acea and T. Carballas heated soils
S. Kshattriya, G. D. Sharma Enzyme activities related to litter decomposition in forests of
and R. R. Mishra different age and altitude in North East India
Short Communications
L. G. Greenfield Acid hydrolysis and the release of fixed ammonium from soils
IV
Torben A. Bonde, Dynamics of soil organic matter as reflected by natural ‘°C abun-
Bent T. Christensen and dance in particle size fractions of forested and cultivated oxisols
Carlos C. Cerri
K. Natarajan, V. Mohan and Correlation between basidiomata production and ectomycorrhizal
K. Ingleby formation in Pinus patula plantations
A. Garcia-Barrionuevo, E. Moreno, Effect of wastewaters from olive oil mills (alpechin) on Azotobacter
J. Quevedo-Sarmiento, nitrogen fixation in soil
J. Gonzalez-Lopez and
A. Ramos-Cormenzana
Forthcoming Papers 285
Volume 24 Number 4
1. J. Misaghi, M. W. Olsen, 287 The importance of rhizobacterial mobility in biocontrol of bacterial
J. M. Billotte and R. M. Sonoda wilt of tomato
D. S. Jenkinson, D. D. Harkness, 295 Calculating net primary production and annual input of organic
E. D. Vance, D. E. Adams matter to soil from the amount and radiocarbon content of soil
and A. F. Harrison organic matter
Peter D. Stahl and /n vitro mycelial interactions among members of a soil microfungal
Martha Christensen community
L. Zelles, Q. Y. Bai, T. Beck and Signature fatty acids in phospholipids and lipopolysaccharides as
F. Beese indicators of microbial biomass and community structure in agricul-
tural soils
P. Christie and D. J. Kilpatrick Vesicular-arbuscular mycorrhiza infection in cut grassland follow-
ing long-term slurry application
A. Ghani, R. G. McLaren and Sulphur mineralisation and transformations in soils as influenced by
R. S. Swift additions of carbon, nitrogen and sulphur
D. J. Ross Influence of sieve mesh size on estimates of microbial carbon and
nitrogen by fumigation-extraction procedures in soils under pasture
Jean-Pierre Kaiser and Influence of soil inoculum and redox potential on the degradation
Jean-Marc Bollag of several pyridine derivatives
J. N. Ladd, L. Jocteur-Monrozier Carbon turnover and nitrogen transformations in an alfisol and
and M. Amato vertisol amended with [U-'*C]glucose and ['*N]ammonium sulfate
A. Piccolo, S. Nardi and G. Concheri Structural characteristics of humic substances as related to nitrate
uptake and growth regulation in plant systems
H. V. A. Bushby, I. Vallis 381 Dynamics of C in a pasture grass (Panicum maximum var. tri-
and R. J. K. Myers choglume)-soil system
P. Iilmer and F. Schinner 389 Solubilization of inorganic phosphates by microorganisms isolated
from forest soils
Forthcoming Papers 397
Volume 24 Number 5
Accelerated Paper
Michael Schloter, Werner Bode, 399 Sensitive chemoluminescence-based immunological quantification
Anton Hartmann and of bacteria in soil extracts with monoclonal antibodies
Friedrich Beese
General Papers
Shivcharn S. Dhillion Host-endophyte specificity of vesicular-arbuscular mycorrhizal
colonization of Oryza sativa L. at the pre-transplant stage in low or
high phosphorus soil
Ruiping Li and lan C. MacRae Specific identification and enumeration of Acetobacter diazotro-
phicus in sugarcane
V
Elizabeth A. S. Rattray, Matric potential in relation to survival and activity of a genetically
J. |. Prosser, L. A. Glover modified microbial inoculum in soil
and K. Killham
G. Johansson Release of organic C from growing roots of meadow fescue
(Festuca pratensis L.)
A. M. Martensson Effects of agrochemicals and heavy metals on fast-growing rhizobia
and their symbiosis with small-seeded legumes
James A. Entry, Cathy L. Rose Microbial biomass and nutrient concentrations in hyphal mats of
and Kermit Cromack the ectomycorrhizal fungus Hysterangium setchellii in a coniferous
forest soil
M. Amato and J. N. Ladd Decomposition of ‘C-labelled glucose and legume material in soils:
properties influencing the accumulation of organic residue C and
microbial biomass C
O. Daniel and J. M. Anderson Microbial biomass and activity in contrasting soil materials after
passage through the gut of the earthworm Lumbricus rubellus
Hoffmeister
C. M. Liddell Experimental approach to measure the compression of soil around
emerging wheat coleoptiles
Robert K. Antibus and Effects of liming a red pine forest floor on mycorrhizal numbers and
A. E. Linkins Il mycorrhizal and soil acid phosphatase activities
K. Toyota, T. Tsuge and M. Kimura Potential application of genetic transformants of Fusarium oxy-
sporum f. sp. raphani for assessing fungal autecology
Short Communications
J. A. Liebman and L. Epstein Response time for suppression of germination of Cochliobolus
victoriae conidia on fungistatic soil
Chantal Hamel and Donald L. Smith Mycorrhizae-mediated '®N transfer from soybean to corn in field-
grown intercrops: effect of component crop spatial relationships
J. M. Garcia-Garrido, Cellulase activity in lettuce and onion plants colonized by the
|. Garcia-Romera and J. A. Ocampo vesicular-arbuscular mycorrhizal fungus Glomus mosseae
A. Gammelgaard, C. Freeman Measurement of electron transport system activity in sphagnum-
and M. A. Lock derived peat
Forthcoming Papers
Volume 24 Number 6
S. J. Wirth and G. A. Wolf 511 Micro-plate colourimetric assay for endo -acting cellulase, xylanase,
chitinase, 1,3-B-glucanase and amylase extracted from forest soil
horizons
J. Racke and R. A. Sikora Isolation, formulation and antagonistic activity of rhizobacteria
toward the potato cyst nematode G/obodera pallida
M. M. |. van Vuuren and Effects of three rates of atmospheric nitrogen deposition enriched
L. J. van der Eerden with '®N on litter decomposition in a heathland
C. E. Heijnen, C. H. Hok-A-Hin Improvements to the use of bentonite clay as a protective agent,
and J. A. Van Veen increasing survival levels of bacteria introduced into soil
B. S. Dileep Kumar and H. C. Dube Seed bacterization with a fluorescent Pseudomonas for enhanced
plant growth, yield and disease control
Gert Bachmann and Helmut Kinzel Physiological and ecological aspects of the interactions between
plant roots and rhizosphere soil
D. H. Rickerl, E. A. Curl, Crop mulch effects on Rhizoctonia soil infestation and disease
J. T. Touchton and W. B. Gordon severity in conservation-tilled cotton
Vi
D. M. Crawford and P. M. Chaik Mineralization and immobilization of soil and fertilizer nitrogen with
nitrification inhibitors and solvents
L. Badalucco, A. Gelsomino, Biochemical characterization of soil organic compounds extracted
S. Dell’Orco, S. Grego by 0.5m K,SO, before and after chloroform fumigation
and P. Nannipieri
T. R. Fox and N. B. Comerford Rhizosphere phosphatase activity and phosphatase hydrolyzable
organic phosphorus in two forested Spodosols
Bruce D. Cook and Deborah L. Allan Dissolved organic carbon in old field soils: total amounts as a
measure of available resources for soil mineralization
Bruce D. Cook and Deborah L. Allan Dissolved organic carbon in old field soils: compositional changes
during the biodegradation of soil organic matter
Sabine E. Lorenz, Steve P. McGrath Assessment of free-living nitrogen fixation activity as a biological
and Kenneth E. Giller indicator of heavy metal toxicity in soil
Robert J. Frye, Daniel Welsh, Removal of contaminant organic gases from air in closed systems
Thomas M. Berry, by soil
Bryan A. Stevenson
and Taber McCallum
Short Communications
K. Chander and P. C. Brookes Synthesis of microbial biomass from added glucose in metal-
contaminated and non-contaminated soils following repeated
fumigation
AmyJo McCardell and Determination of persulfate-oxidizable carbon by gas chroma-
Jeffry J. Fuhrmann tography
Forthcoming Papers
Volume 24 Number 7
D. W. McAndrew and S. S. Malhi 619 Long-term N fertilization of a solonetzic soil: effects on chemical
and biological properties
Amar M. Chaudri, 625 Survival of the indigenous population of Rhizobium leguminosarum
Steve P. McGrath and biovar trifolii in soil spiked with Cd, Zn, Cu and Ni salts
Kenneth E. Giller
Myra Chu-Chou, B. Guo, Z.-Q. An, Suppression of mycorrhizal fungi in fescue by the Acremonium
J. W. Hendrix, R. S. Ferriss, coenophialum endophyte
M. R. Siegel, C. T. Dougherty
and P. B. Burrus
R. Martens A comparison of soil adenine nucleotide measurements by HPLC
and enzymatic analysis
A. Mariotti, B. Sougoufara Estimation de la fixation d’azote atmosphérique par le tragage
et Y. R. Dommergues isotopique naturel dans une plantation de Casuarina equisetifolia
(Forst)
Jaap Bloem, Peter C. de Ruiter, Microbial numbers and activity in dried and rewetted arable soil
Gerrit J. Koopman, Gerrit Lebbink under integrated and conventional management
and Lijbert Brussaard
Bertrand Dehorter, '3C NMR spectroscopic analysis of soil humic acids recovered after
Clotaire Yanze Kontchou incubation with some white rot fungi and actinomycetes
and Roland Blondeau
E.-A. Kaiser, T. Mueller, Evaluation of methods to estimate the soil microbial biomass and
R. G. Joergensen, H. Insam the relationship with soil texture and organic matter
and O. Heinemeyer
John N. Klironomos, Paul Widden Feeding preferences of the collembolan Fo/somia candida in re-
and Isabelle Deslandes lation to microfungal successions on decaying litter
Vil
K. M. Stanko-Golden, Sulfur processing in soil from high and low elevation forests in the
J. W. Fitzgerald and W. T. Swank southern Appalachians of the United States
Henrik Christensen, Bryan Griffiths Bacterial incorporation of tritiated thymidine and populations of
aid Seren Christensen bacteriophagous fauna in the rhizosphere of wheat
Short Communications
S. C. Srivastava Microbial C, N and P in dry tropical soils: seasonai changes and
influence of soil moisture
R. J. Roughley, Intrinsic resistance to streptomycin and spectinomycin among
Faizah Abdul Wahab and root-nodule bacteria from Malaysian soils
Joy Sundram
David W. Odee and Janet |. Sprent Acacia brevispica: a non-nodulating mimosoid legume?
J. W. Fyles and R. Bradley A self-maintaining system for long-term soil incubations with the
capability for repeated estimation of microbial biomass
Forthcoming Papers
Volume 24 Number 8
Olof Andrén, Eliel Steen 727 Modelling the effects of moisture on barley straw and root
and Kalman Rajkai decomposition in the field
J. Ivo Baldani and R. W. Weaver 737 Survival of clover rhizobia and their plasmid-cured derivatives in soil
under heat and drought stress
R. L. Sinsabaugh, R. K. Antibus, 743 Wood decomposition over a first-order watershed: mass loss as a
A. E. Linkins, C. A. McClaugherty, function of lignocellulase activity
L. Rayburn, D. Repert and
T. Weiland
Ki-Young Seong, Monica Hofte and Acclimatization of plant growth promoting Pseudomonas strain
Willy Verstraete 7NSK2 in soil: effect on population dynamics and plant growth
Dhruva Kumar Jha, G. D. Sharma Soil microbial population numbers and enzyme activities in relation
and R. R. Mishra to altitude and forest degradation
Ludwig Simon, Michael Spiteller, Influence of soii properties on the degradation of the nematocide
Albert Haisch and fenamiphos
Peter R. Wallindfer
C. Calvet, J. M. Barea and J. Pera /n vitro interactions between the vesicular—arbuscular mycorrhizal
fungus Glomus mosseae and some saprophytic fungi isolated from
organic substrates
S. R. Smith and K. E. Giller Effective Rhizobium leguminosarum biovar trifolii present in five
soils contaminated with heavy metals from long-term applications
of sewage sludge or metal mine spoil
D. O. Wilson and P. L. Raymer Decomposition of sorghum residue in a double-crop sorghum and
wheat system
Mats Nilsson and Christina Riilcker Seasonal variation of active fungal mycelium in an oligotrophic
Sphagnum mire, northern Sweden
Regina C. C. Luizao, Seasonal variation of soil microbial biomass—the effects of clear-
Torben A. Bonde and felling a tropical rainforest and establishment of pasture in the
Thomas Rosswall central Amazon
Short Communications
J. Gonzalez-Lopez, Effect of the acaricide bromopropylate on agricultural soil microflora
M. V. Martinez-Toledo
and V. Salmeron
Brian K. Kinkle and Stability of a monoclonal antibody determinant in soil populations
Edwin L. Schmidt of Bradyrhizobium japonicum
D. H. Kim and I. J. Misaghi Siderophore production by fluorescent pseudomonads is sensitive
to changes in atmospheric O, and CO, concentrations
Forthcoming Papers
Volume 24 Number 9
Accelerated Paper
J. F. Darbyshire, D. A. Elston, 827 Motility of a common soil flagellate Cercomonas sp. in the presence
A. E. F. Simpson, M. D. Robertson of aqueous infusions of fungal spores
and A. Seaton
General Papers
D. H. Wong, W. E. Kirkpatrick, Defluorination of sodium monofluoroacetate (1080) by micro-
D. R. King and J. E. Kinnear organisms isolated from Western Australian soils
D. H. Wong, W. E. Kirkpatrick, Environmental factors and microbial inoculum size, and their effect
D. R. King and J. E. Kinnear on biodefluorination of sodium monofluoroacetate (1080)
B. D. Kishinevsky, Rina Lobel, Soil fumigation with methyl bromide as a means of increasing the
Debora Gurfel and Chaja Nemas occurrence of the inoculum strain in peanut nodules
Timothy C. Strickland, Rapid stabilization and mobilization of '®N in forest and range soils
Phillip Sollins, Nathan Rudd
and David S. Schimel
M. T. Treeby The role of mycorrhizal fungi and non-mycorrhizal micro-organisms
in iron nutrition of citrus
Ding Ming Mao, Yi Wei Min, Effect of afforestation on microbial biomass and activity in soils of
Liao Lan Yu, R. Martens and tropical China
H. Insam
Soon Cheol Park, Timothy J. Smith Activities of phosphomonoesterase and phosphodiesterase from
and Michael S. Bisesi Lumbricus terrestris
D. J. Heaney, M. Nyborg, Overwinter nitrate loss and denitrification potential of cultivated
E. D. Solberg, S. S. Malhi soils in Alberta
and J. Ashworth
Suresh D. Pillai, Specific detection of rhizobia in root nodules and soil using the
Karen L. Josephson, polymerase chain reaction
Rachel L. Bailey and lan L. Pepper
O. A. Trubetskoj, O. E. Trubetskaya Isolation, purification and some physico-chemical properties of
and T. E. Khomutova soil humic substances fractions obtained by polyacrylamide gel
electrophoresis
K. Jayachandran, A. P. Schwab Mineralization of organic phosphorus by vesicular—arbuscular
and B. A. D. Hetrick mycorrhizal fungi
D. H. Flather and E. G. Beauchamp Inhibition of the fermentation process in soil by acetylene
Short Communications
J. Cortez and M. B. Bouche Do earthworms eat living roots?
A. M. Gutierrez-Navarro, Aromatic amino acid aminotransferases in four isolates of Bradyrhi-
M. A. Leon-Barrios, zobium sp. (Chamaecytisus proliferus )
R. Perez-Galdona and J. Corzo
K. L. Weier and I. C. MacRae Denitrifying bacteria in the profile of a brigalow clay soil beneath
a permanent pasture and a cultivated crop
S. J. Gonzalez-Prieto and Simple step-wise acid hydrolysis method for the fractionation of
T. Carballas soil organic nitrogen
A. Chakraborty, A. K. Saha and Germination of chlamydospores of Fusarium udum adjacent to the
Prasanta K. Sen Gupta roots of pigeonpea
Forthcoming Papers
Volume 24 Number 10
Wim W. Wessel and Albert Tietema 931 Calculating gross N transformation rates of '°N pool dilution
experiments with acid forest litter: analytical and numerical
approaches
Albert Tietema and Wim W. Wessel Gross nitrogen transformations in the organic layer of acid forest
ecosystems subjected to increased atmospheric nitrogen input
IX
SBB 24/12—MM
T. Aarnio and P. J. Martikainen Nitrification in forest soil after refertilization with urea or urea and
dicyandiamide
J. M. Garcia-Garrido, Endoglucanase activity in lettuce plants colonized with the vesicu-
M. N. Cabello, |. Garcia-Romera lar-arbuscular mycorrhizal fungus G/omus fasciculatum
and J. A. Ocampo
Fiona A. Grant, James |. Prosser, Luminescence based detection of Erwinia carotovora subsp. caro-
Kenneth Killham and L. Anne Glover tovora in soil
A. Saano and K. Lindstrém Detection of Rhizobium galegae from one-gram soil samples by
non-radioactive DNA-DNA-hybridization
K. P. Hebbar, A. G. Davey Rhizobacteria of maize antagonistic to Fusarium moniliforme, a
and P. J. Dart soil-borne fungal pathogen: isolation and identification
K. P. Hebbar, A. G. Davey, Rhizobacteria of maize antagonistic to Fusarium moniliforme, a
J. Merrin and P. J. Dart soil-borne fungal pathogen: colonization of rhizosphere and roots
K. P. Hebbar, A. G. Davey, Pseudomonas cepacia, a potential suppressor of maize soil-borne
J. Merrin, T. J. McLoughlin diseases—seed inoculation and maize root colonization
and P. J. Dart
K. P. Hebbar, D. Atkinson, Suppression of Fusarium moniliforme by maize root-associated
W. Tucker and P. J. Dart Pseudomonas cepacia
N. Sanginga, S. K. A. Danso and Variation in growth, sources of nitrogen and N-use efficiency by
G. D. Bowen provenances of Gliricidia sepium
Myriam R. Fernandez The effect of Trichoderma harzianum on fungal pathogens infesting
soybean residues
Myriam R.- Fernandez The effect of Trichoderma harzianum on fungal pathogens infesting
wheat and black oat straw
Debjani Misra, Sasmita Bhuyan, Accelerated degradation of methyl parathion, parathion and fenitro-
T. K. Adhya and N. Sethunathan thion by suspensions from methyl parathion- and p-nitrophenol-
treated soils
Nestor S. Rojas, David A. Perry, Influence of actinomycetes on Frankia infection, nitrogenase
C. Y. Li and Jacob Friedman activity and seedling growth of red alder
G. Tian, B. T. Kang and L. Brussaard Biological effects of plant residues with contrasting chemical
~compositions under humid tropical conditions—decomposition and
nutrient release
R. A. Janzen, S. B. Rood, Azospirillum brasilense produces gibberellin in pure culture on
J. F. Dormaar and W. B. McGill chemically-defined medium and in co-culture on straw
B. Mary, A. Mariotti and J. L. Morel Use of '°C variations at natural abundance for studying the
biodegradation of root mucilage, roots and glucose in soil
Forthcoming Papers
Volume 24 Number 11
J. A. Lewis and G. C. Papavizas 1075 Potential of Laetisaria arvalis for the biocontrol of Rhizoctonia
solani
Sneh Goyal, M. M. Mishra, 1081 Organic matter-microbial biomass relationships in field experiments
1. S. Hooda and Raghubir Singh under tropical conditions: effects of inorganic fertilization and
organic amendments
Y. G. Yanni Fertilizer responses of rice to nitrogen and cyanobacteria in the
presence of insecticides
Scott D. Bridgham and Mechanisms controlling soil respiration (CO, and CH,) in southern
Curtis J. Richardson peatlands
D. L. Jeffries, J. M. Klopatek, Acetylene reduction by cryptogamic crusts from a blackbrush
S. O. Link and H. Bolton Jr community as related to resaturation and dehydration
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