Agriculture Reference
In-Depth Information
Nguyen, M.L. and Haynes, R.J. 1995. Energy and labour efficiency for three pairs of conven-
tional and alternative mixed cropping (pasture-arable) farms in Canterbury, New Zealand.
Agriculture,
Ecosystems
and
Environment
52: 163-172.
Nicholson, F., Chambers, B., Hutchinson, M., Moore, T., Nicholson, N. and Hickman, G. 2002.
Farm manures: assessing and managing the risks of pathogen transfer into the food chain.
In:
7th
European
Biosolids
and
Organic
Residual
Conference,
Wakefield,
UK
.
Niggli, U., Alföldi, T., Mäder, P., Pfiffner, L., Spiess, H. and Besson, J.-M. 1995. DOK-Versuch,
vergleichende
Langzeit-Untersuchungen
in
den
drei
Anbausystemen
biologisch-
Dynamisch,
Organisch-biologisch
und
Konventionell.
VI.
Synthese,
1.
und
2.
Fruchtfolgeperiode.
Sonderheft
DOK
4: 1-34.
Nocquet, J., David, C. and Gautronneau, Y. 1996.
A
Farming
System
Environmental
Assessment
Applied
on
Organic
Farms
and
Farms
in
Conversion
. European Society for Agronomy,
Wageningen.
Oehl, F., Oberson, A., Tagmann, H.U., Besson, J.M., Dubois, D., Mäder, P., Roth, H.R., Frossard,
E. 2002. Phosphorous budget and phosphorous availability in soils under organic and
conventional management.
Nutrient
Cycling
in
Agroecosystems
62: 25-35.
OECD 1997.
Environmental
Indicators
for
Agriculture
. Organisation for Economic Cooperation
and Development, Paris.
OECD 2000.
Environmental
Indicators
for
Agriculture
.
Volume
3,
Methods
and
Results
.
Organisation for Economic Cooperation and Development, Paris.
Oldeman, L.R. 1994. The global extent of soil degradation. In: Greenland, D.J. and Szabolcs, L.
(eds)
Soil
Resilience
and
Sustainable
Land
Use
. CAB International, Wallingford. pp.
99-118.
Pain, B.F., van der Weerden, T.J., Chambers, B.J., Phillips, V.R. and Jarvis, S.C. 1998. A new
inventory for ammonia emissions from UK agriculture.
Atmospheric
Environment
32:
309-313.
Palm, C.A., Woomer, P.L., Alegre, J., Arevalo, L., Castilla, C., Cordeiro, D.G., Feigl, B., Hairiah,
K., Kotto-Same, J., Mendes, A., Moukam, A., Murdiyarso, D., Njomgang, R., Parton, W.J.,
Riese, A., Rodrigues, V., Sitompul, S.M. and Noordwijk, M. 2000.
Climate
Change
Working
Group
Final
Report,
Phase
II:
Carbon
Sequestration
and
Trace
Gas
Emissions
in
Slash-and-
Burn
and
Alternative
Land
Uses
in
the
Humid
Tropics
. International Center for Research in
Agroforestry, Nairobi.
Parrott, N. and Marsden, T. 2002.
The
Real
Green
Revolution
.
Organic
and
Agroecological
Farming
in
the
South
. Greenpeace Environmental Trust, London.
Peeters, A. and van Bol, V. 1993. Study of the limits and potential of systems and techniques of
integrated and alternative agriculture. In: Peeters, A. and Van Bol, V. (eds)
Research
Report
EU
-
Contract
28/01/1991
number
8001-CT90-0003
. Laboratoire d'Écologie des Prairies,
Louvain-La-Neuve p. 47.
Penfold, C. 2000.
Phosphorous
Management
in
Broadacre
Organic
Farming
Systems
. Rural
Industries Research and Development Corporation, Barton.
Pennanzi, A. 1996. Un nuovo paesaggio con l'agricoltua pulita.
Bioagricultura
42: 3.
Persson, J. 1994. Mullhaltsförändringar i olika odlingssytem. In: Höök, K. and Sandström, M.
(eds)
Edologiskt
lantbruk,
konferens
Ekologiskt
lantbruk
. Swedish University of Agricultural
Sciences, Uppsala.
Petersen, S.O., Debosz, K., Schønning, P., Christensen, B.T. and Elmholt, S. 1997. Phospholipid
fatty acid profiles and C availability in wet-stable macro-aggregates from conventionally
and organically farmed soils.
Geoderma
78: 181-196.