Agriculture Reference
In-Depth Information
Fließbach, A. and Mäder, P. (2000) Microbial biomass and size-density factions
differ between soils of organic and conventional agricultural systems. Soil
Biology and Biochemistry 32, 757-768.
Fließbach, A., Mäder, P. and Niggli, U. (2000) Mineralization and microbial
assimilation of 14 C-labelled straw in soils with different agricultural manage-
ment strategy. Soil Biology and Biochemistry 32, 1131-1139.
Garland, J.L. and Mills, A.L. (1991) Classification and characterization of
heterotrophic microbial communities on the basis of patterns of community-
level-sole-carbon-source utilization. Applied and Environmental Microbiology 57,
2351-2359.
Hassink, J. (1995) Density fractions of soil macroorganic matter and microbial
biomass as predictors of C and N mineralization. Soil Biology and Biochemistry
27, 1099-1108.
Jäggi, W. (1976) Die Bestimmung der CO 2 -Bildung als Mass der
bodenbiologischen Aktivität. Schweizerische landwirtschaftliche Forschung 15,
371-380.
Mäder, P., Alföldi, T., Fließbach, A., Pfiffner, L. and Niggli, U. (1999) Agricultural
and ecological performance of cropping systems compared in a long-term
field trial. In: Smaling, E.M.A., Oenema, O. and Fresco, L.O. (eds) Nutrient
Disequilibria
in
Agroecosystems .
CAB
International,
Wallingford,
UK,
pp. 247-264.
Odum, E.P. (1969) The strategy of the ecosystem development. Science 164,
262-270.
Randall, E.W., Mahieu, N., Powlson, D.S. and Christensen, B.T. (1995) Fertiliza-
tion effects on organic matter in physically fractionated soils as studied by 13 C
NMR: results from two long-term field experiments. European Journal of Soil
Science 46, 557-565.
Schmidt, M.W.I., Knicher, H., Hatcher, P.G. and Kögel-Knaber, I. (1997)
Improvement of 13 C and 15 N CPMAS NMR spectra of bulk soils. Particle size
fractions and organic material by treatment with 10% hydrofluoric acid.
European Journal of Soil Science 48, 319-328.
Tilman, D., Wedin, D. and Knops, J. (1996) Productivity and sustainability
influenced by biodiversity in grassland ecosystems. Nature 379, 718-720.
van der Heijden, M.G.A., Klironomos, J.N., Ursic, M., Moutoglis, P., Streitwolf
Engel, R., Boller, T., Wiemken, A. and Sanders, I.R. (1998) Mycorrhizal
fungal
diversity
determines
plant
biodiversity,
ecosystem
variability
and
productivity. Nature 396, 69-72.
Vance, E.D., Brookes, P.C. and Jenkinson, D.S. (1987) An extraction method for
measuring soil microbial biomass C. Soil Biology and Biochemistry 19, 703-707.
Wardle, D.A. and Ghani, A. (1995) A critique of the microbial metabolic quotient
( q CO 2 ) as a bioindicator of disturbance and ecosystem development. Soil
Biology and Biochemistry 27, 1601-1610.
Wardle, D.A. and Giller, K.E. (1996) The quest for a contemporary ecological
dimension to soil biology. Soil Biology and Biochemistry 28, 1549-1554.
Search WWH ::




Custom Search