Agriculture Reference
In-Depth Information
Biology,
104
, 427-36.
Darlington, J.P.E.C. and Dransfield, R.D. (1987) Size relationships in nest populations and mound parameters
in the termite
Macrotermes michaelseni
in Kenya.
Insectes Sociaux,
34
, 165-80.
Darlington, J.P.E.C. (1994) Nutrition and evolution in fungus-growing termite., in
Nourishment and Evolution
in Insect Societies
(eds J.H. Hunt and C.A. Nalepa), Westview Press, Boulder, pp. 105-30.
Dart, P.J. (1971) Scanning electron microscopy of plant roots.
Journal of Experimental Botany,
22
, 163-8.
Dart, P.J. (1974) The infection process, in
The Biology of Nitrogen Fixation
(ed. A. Quispel), North Holland
Publishing, Amsterdam, pp. 382-429.
Darwin, C. (1881)
The Formation of Vegetable Mould Through the Action of Worms with Observations on
Their Habits,
John Murray, London.
Dash, M.C., Senapati, B.K. and Mishra, C.C. (1980) Nematode feeding by tropical earthworms.
Oikos,
34
, 322-5.
Dash, M.C., Nanda, B. and Mishra, P.C. (1981) Digestive enzymes in three species of Enchytraeidae.
Oikos,
36
, 316-8.
Dash, M.C., Behera, N., Satpathy, B.
et al.
(1985) Comparison of two methods for microbial biomass
estimation in some tropical soils.
Revue d'Ecologie et de Biologie du Sol,
22
(1), 13-20.
Dash, M.C. (1990) Oligochaeta: Enchytraeidae, in
Soil Biology Guide
(ed. D.L. Dindal), John Wiley & Sons,
New York, pp. 311-40.
David, J.F. (1982) Variabilité dans l'espace et dans le temps des cycles de vie de deux populations de
Cylindroiulus nitidus
(Verhoeff) (lulidae).
Revue d'Ecologie et de Biologie du Sol,
19
(3), 411-25.
David, J.F. (1987) Consommation annuelle d'une litière de chêne par une population adulte du diplopode
Cylindroiulus nitidus. Pedobiologia,
30
, 299-310.
David, J.F., Ponge, J.F. and Delecour, F. (1993) The saprophagous macrofauna of different types of humus in
Beech forests of the Ardenne (Belgium).
Pedobiologia,
3
, 49-56.
Davidson, E.A., Galloway, L.F. and Strand, M.K. (1987) Assessing available carbon: comparison of techniques
across selected forest soils.
Communications in Soil Science and Plant Analysis,
18
, 45-64.
Davidson, E.A., Eckert, R.W., Han, S.C.
et al.
(1989) Direct extraction of microbial biomass nitrogen from
forest and grassland soils of California.
Soil Biology & Biochemistry,
21
(6), 773-8.
Davidson, E.A. and Ackerman, I.L. (1993) Changes in soil carbon inventories following cultivation of
previously untilled soils.
Biogeochemistry,
20
, 161-93.
Davidson, E.A. (1994) Climate change and soil microbial processes: secondary effects are hypothesised from
better known interacting primary effects, in
Soil Response to Climate Change
(eds M.D.A. Rounsevell
and P.J. Loveland), Springer-Verlag, Berlin, pp. 155-68.
de Faria, S.M., Lewis, G.P., Spreng, J.I.
et al.
(1989) Occurence of nodulation in the Leguminosae.
New Phytologist,
111
, 607-19.
de Kimpe, C.R., Laverdiere, M.R. and Martel, Y.A. (1979) Surface area and exchange capacity of clay in
relation to the mineralogical composition of gleysolic soils.
Canadian Journal of Soil Science,
59
, 341-7.
de Laune, R.D., Reddy, C.N. and Patrick, W.H. (1981) Organic matter decomposition in soil as influenced by
pH and redox conditions.
Soil Biology & Biochemistry,
13
, 533-4.
de Leij, F.A.A., Whipps, J.M. and Lynch, J.M. (1994) The use of colony development for the characterization
of bacterial communities in soil and on roots.
Microbial Ecology,
27
, 81-97.
DeNiro, M.J. and Epstein, S. (1978) Influence of diet on the distribution of carbon isotopes of animals.
Geochimica and Cosmochimica Acta,
42
, 495-506.
de Puytorac, P. (1954) Contribution à 1'étude cytologique et taxonomique des Infusoires.
Annales des Sciences
Naturelles, Zoologie,
11
, 82-270.
de Ruiter, P.C., Vanveen, J.A., Moore, J.C.
et al.
(1993) Calculation of nitrogen mineralization in soil food
