Agriculture Reference
In-Depth Information
Fuller, R.J. 1997. Responses of birds to organic arable farming: mechanisms and evidence.
Proceedings
of
Brighton
Crop
Protection
Conference,
Weeds
3: 897-906.
Garcia, C., Alvarez, C.E., Carracedo, A. and Iglesias, E. 1989. Soil fertility and mineral nutri-
tion of a biodynamic avocado plantation in Tenerife.
Biological
Agriculture
and
Horticulture
6: 1-10.
Gardner, S.M. and Brown, R.W. 1998.
Review
of
the
Comparative
Effects
of
Organic
Farming
on
Biodiversity
. ADAS, Wolverhampton.
Gerhardt, R.A 1997. A comparative analysis of the effects of organic and conventional farming
systems on soil structure.
Biological
Agriculture
and
Horticulture
14: 139-157.
Gibbs, P.A., Parkinson, R.J., Fuller, M.P. and Misselbrook, T. 2000. Enhancing the effective
utilisation of animal manures on farm through compost technology. In: Petchy, A.M.,
D'Arcy, B.J. and Frost, C.A. (eds)
Agriculture
and
Waste:
Management
for
a
Sustainable
Future
.
Scottish
Agricultural
College/Scottish
Environment
Protection
Agency,
Edinburgh. pp. 63-72.
Girvan, M.S., Bullimore, J., Pretty, J.N., Osborn A.M. and Ball, A.S. 2003. Soil type is the pri-
mary determinant of the composition of the total and active bacterial communities in
arable soils.
Applied
and
Environmental
Microbiology
69: 1800-1809.
Goldstein, W.A. and Young, D.L. 1987. An agronomic and economic comparison of a conven-
tional and a low-input cropping system in Palouse.
American
Journal
of
Alternative
Agriculture
2: 51-56.
Gosling, P. and Shepherd, M. 2005. Long-term changes in soil fertility in organic arable farm-
ing systems in England, with particular reference to phosphorous and potassium.
Agriculture,
Ecosystems
and
Environment
105: 425-432.
Greenland, D. 2000. Effects on soils and plant nutrition. In: Tinker, P.B. (ed.)
Shades
of
Green
-
a
Review
of
UK
Farming
Systems
. Royal Agricultural Society of England, Warwickshire.
pp. 6-20.
Haas, G. and Köpke, U. 1994. Vergleich der Klimarelevanz ökologischer und konventioneller
Landbewirtschaftung. In: Enquète-Kommission Schutz der Erdatmosphäre des Deutschen
Bundestages (ed.)
Schutz
der
Grünen
Erde
Klimaschutz
durch
umweltgerechte
Landwirtschaft
und
Erhalt
der
Wälder
. Economica Verlag, Bonn. pp. 92-196.
Hansen, B., Alrøe, H.F. and Kristensen, E.S. 2001. Approaches to assess the environmental
impact of organic farming with particular regard to Denmark.
Agriculture,
Ecosystems
and
Environment
83: 11-26.
Haraldsen, T.K., Asdal, Å., Gradient, C., Nesheim, L., Ugland, T.N. 2000. Nutrient balances
and yields during conversion to organic cropping systems on silt loam and clay soils in
Norway.
Biological
Agriculture
and
Horticulture
17: 229-246.
Harris, P.J.C., Lloyd, H.D., Hofny-Collins, A.H., Barrett, H.R. and Browne, A.W. 1998.
Organic
Agriculture
in
Sub-Saharan
Africa:
Farmer
Demand
and
Potential
for
Development
. Henry
Doubleday Research Association, Coventry.
Haygarth, P.M. and Jarvis, S.C. 1999. Transfer of phosphorus from agricultural soils.
Advances
in
Agronomy
66: 195-249.
Himathongkam, S., Bahari, S., Riemann, H. and Cliver, D.O. 1999. Survival of
Escherichia
coli
O157:H7 and
Salmonella
typhimurium
in cow manure and cow manure slurry.
FEMS
Microbiology
Letters
178: 251-257.
Hodgson, J.G., Thompson, K., Wilson, P.J. and Bogaard, A. 1998. Does biodiversity determine
ecosystem function? The Ecotron experiment reconsidered.
Functional
Ecology
12:
843-848.
Hole, D.G., Perkins, A.J., Wilson, J.D., Alexander, I.H., Grice, P.V., Evans, A.D. 2005. Does
organic farming benefit biodiversity?
Biological
Conservation
122 (2005): 113-130.
