Arah, J.R.M., Smith, K.A., Crichton, I.J. and Li, H.S. (1991) Nitrous
oxide production and denitrification in Scottish arable
soils. Journal of Soil Science 42, 351-368.
Ball, B.C. (1990) Reduced tillage for energy and cost savings with
cereals: practical and research experience. Agricultural
Engineer (incorporating Soil and Water), Spring 45(1), 2-6.
Ball, B.C. (1994) Experience with minimum and zero tillage in Scotland.
Proceedings of the 1st EU Workshop on
`Experience with the Applicability of No-tillage Crop Production in the
West European Countries', Giessen, Germany, 15-24.
Ball, B.C. (1995) Soil responses to tillage and their environmental
implications in Scotland. Proceedings of the 2nd EU
Workshop on `Experience with the Applicability of No-tillage Crop
Production in the West European Countries', Silsoe, UK
(in press).
Ball, B.C. and O'Sullivan, M.F. (1982) Soil strength and crop emergence
in direct drilled and ploughed cereal seedbeds in
seven field experiments. Journal of Soil Science 33, 609-622.
Ball, B.C. and O'Sullivan, M.F. (1982) The characterisation of pores in
ploughed and direct drilled soils in Scotland.
Proceedings of the 9th Conference of the International Soil Tillage
Research Organisation, Osijek, Yugoslavia, 396-401.
Ball, B.C. and Robertson, E.A.G. (1994) Effects of uniaxial compaction
on aeration and structure of ploughed or direct drilled
soils. Soil & Tillage Research 31, 135-148.
Ball, B.C. and Robertson, E.A.G. (1994) Soil structural and transport
properties associated with poor growth of oil-seed
rape in soil direct drilled when wet. Soil & Tillage Research 31,
119-133.
Ball, B.C., Cheshire, M.V. and Robertson, E.A.G. (1995) Organic and
physical components of soil quality. Proceedings of
SNH Conference on "Soils, Sustainability and the Natural Heritage",
HMSO, Edinburgh (in press).
Ball, B.C., Cheshire, M.V., Robertson, E.A.G. and Hunter, E.A. (1995)
Organic matter composition in relation to soil
physical properties and long-term tillage on two soil types. Soil &
Tillage Research (submitted).
Ball, B.C., Franklin, M.F., Holmes, J.C. and Soane, B.D. (1994) Lessons
from a 26-year tillage experiment on cereals.
Proceedings of the 13th International Conference of the International
Soil Tillage Research Organisation, Aalborg, Denmark
2, 757-762.
Ball, B.C., Lang, R.W., O'Sullivan, M.F. and Franklin, M.F. (1989)
Cultivation and nitrogen requirements for continuous
winter barley on a gleysol and a cambisol. Soil & Tillage Research 13,
333-352.
Ball, B.C., Lang, R.W., Robertson, E.A.G. and Franklin, M.F. (1994) Crop
performance and soil conditions on imperfectly
drained loams after 20-25 years of conventional tillage or direct
drilling. Soil & Tillage Research 31, 97-118.
Ball, B.C., O'Sullivan, M.F. and Hunter, R. (1988) Gas diffusion, fluid
flow and derived pore continuity indices in relation to
vehicle traffic and tillage. Journal of Soil Science 39, 327-339.
Bell, M.J.R. (1980) The effect of direct drilling and soil type on soil
atmosphere composition. PhD Thesis, University of
Edinburgh.
Compton, I., Lockhart, D.A.S. and Holmes, J.C. (1983) Long term effects
of tillage, direct drilling and nitrogen on barley
monoculture. Report to ARC for Year 1 April 1982 - 31 March 1983.
Fitzpatrick, E.A. (1982) Descriptions of thin sections taken from South
Road soil samples, July 1982.
Gerard, B.M. and Hay, R.K.M. (1979) The effect on earthworms of
ploughing, tined cultivation, direct drilling and nitrogen in
a barley monoculture system. Journal of Agricultural Science, Cambridge
93, 147-155.
Hay, R.K.M. (1976) The temperature of the soil under a barley crop.
Journal of Soil Science 27, 121-128.
Hay, R.K.M. (1977) Effect of tillage and direct drilling on soil
temperature in winter. Journal of Soil Science 28, 403-409.
Hay, R.K.M., Holmes, J.C. and Hunter, E.A. (1978) The effects of
tillage, direct drilling and nitrogen fertilizer on soil
temperature under a barley crop. Journal of Soil Science 29, 174-183.
Heppel, V.A.F. (1979) The problem of take-all disease in continuous
cereal-growing in south-east Scotland. PhD Thesis,
University of Edinburgh.
Holmes, J.C. (1976) Effect of tillage, direct drilling and nitrogen in a
long term barley monoculture system. Semaine d'Etude
Cerealiculture, Gembloux, Belgium, 177-190.
Holmes, J.C. (1976) Effects of tillage, direct drilling and nitrogen in
a long term barley monoculture system. Edinburgh School
of Agriculture Annual Report, 104-112.
Holmes, J.C. and Lockhart, D.A.S. (1970) Cultivations in relation to
continuous barley growing. I. Crop growth and
development (South Road, 1968 and 1969). National Institute of
Agricultural Engineering Scottish Station, Soil Mechanics
Section, Internal Report No. 49, June 1970.
Holmes, J.C. and Lockhart, D.A.S. (1970) Cultivations in relation to
continuous barley growing. I. Crop growth and
development. Proc. Int. Conf. Tillage Research Methods, Silsoe, 46-57.
Holmes, J.C., Lang, R.W. and Lockhart, D.A.S. (1981) Long-term effect of
ploughing, chisel ploughing and direct-drilling on
barley. ESCA Crop Research Report, May 1981, 3pp.
Holmes, J.C., Soane, B.D., Lang, R.W., Campbell, D.J., Lockhart, D.A.S.,
O'Sullivan, M.F. and Franklin, M.F. (1985)
Fifteen years responses of barley to reduced and zero cultivation in
relation to soil properties. Proc. 10th Int. Conf. Int. Soil
Tillage Res. Org., Guelph, Canada,29.
Lockhart, D.A.S. (1972) A study of plant/soil relationships in barley
grown in soil cultivated in different ways. PhD Thesis,
University of Edinburgh.
Lockhart, D.A.S., Heppel, V.A.F. and Holmes, J.C. (1975) Take-all
(Gaeumannomyces graminis (Sacc) Arx & Oliver):
Incidence in continuous barley growing and effect of cultivation method.
EPPO Bull 5(4), 375-383.
O'Sullivan, M.F. (1983) Water regimes in ploughed and direct drilled
soils under cereals: a literature review. SIAE
Departmental Note SIN/381.
O'Sullivan, M.F. (1984) Water regimes in ploughed and direct drilled
soils under winter and spring barley in south-east
Scotland. MPhil Thesis, University of Edinburgh.
O'Sullivan, M.F. (1985) Soil responses to reduced cultivations and
direct drilling for continuous barley at South Road
1979-1982. SIAE Departmental Note SIN/430.
O'Sullivan, M.F. (1985) Water redistribution and use by barley in two
ploughed and direct drilled stagnogley soils. Journal of
Agricultural Engineering Research 31, 171-184.
O'Sullivan, M.F. and Ball, B.C. (1982) Water regimes in ploughed and
direct drilled soils under cereals in Scotland.
Proceedings of the 9th Conference of the International Soil Tillage
Research Organisation, ISTRO, Osijek, Yugoslavia,
420-525.
O'Sullivan, M.F. and Ball, B.C. (1993) The shape of the water release
characteristic as affected by tillage, compaction and
soil type. Soil & Tillage Research 25, 339-349.
O'Sullivan, M.F. and Ball, B.S. (1982) A comparison of five instruments
for measuring soil strength in cultivated and
uncultivated cereal seedbeds. Journal of Soil Science 33, 597-608.
Pidgeon, J.D. (1975) Soil responses to reduced cultivations and direct
drilling for continuous barley at South Road 1973.
SIAE Departmental Note No. SIN/198, November 1975.
Pidgeon, J.D. (1978) The effect of soil type on soil responses to
cultivation and direct drilling for cereals in Scotland.
Presentation statement for 11th Congress of the International Society of
Soil Science 1, 124.
Pidgeon, J.D. (1979) Preliminary experiments with alternative
zero-tillage systems for cereals. Proc. 8th Conf. Int. Soil Tillage
Research Organ., September 1979, 1, 179-184.
Pidgeon, J.D. (1980) A comparison of the suitability of two soils for
direct drilling of spring barley. Journal of Soil Science 31,
581-594.
Pidgeon, J.D. and Soane, B.D. (1976) Soil structure and strength
relations following tillage, zero-tillage and wheel traffic in
Scotland. International Soil Science Society, Commission I Meeting,
August 1976.
Pidgeon, J.D. and Soane, B.D. (1977) Effects of tillage and direct
drilling on soil properties during the growing season in a
long-term barley mono-culture system. Journal of Agricultural Science,
Cambridge 88, 431-442.
Pidgeon, J.D. and Soane, B.D. (1978) Soil structure and strength
relations following tillage, zero-tillage and wheel traffic in
Scotland. In: `Modification of Soil Structure' (ed W.W. Emerson, R.D.
Bond and A.R. Dexter), John Wiley and Sons,
Chichester, 371-378.
Powlson, D.S. and Jenkinson, D.S. (1981) A comparison of the organic
matter, biomass, adenosine triphosphate and
mineralizable nitrogen contents of ploughed and direct-drilled soils.
Journal of Agricultural Science, Cambridge 97, 713-721.
Smith, K.A. and Howard, R.S. (1979) Field studies of nitrogen uptake
using 15N tracer methods. Soil Nitrogen and Crop
Growth Symposium.
Smith, K.A., Elmes, A.E., Howard, R.S. and Franklin, M.F. (1984) The
uptake of soil and fertilizer-nitrogen by barley
growing under Scottish climatic conditions. Plant & Soil 76, 49-57.
Smith, K.A., Howard, R.S. and Crichton, I.J. (1988) Efficiency of
recovery of nitrogen fertilizer by winter barley. In: Nitrogen
Efficiency in Agricultural Soils (eds D.S. Jenkinson and K.A.Smith),
Elsevier, London, 73-84.
Soane, B.D. (1976) Soil responses to reduced cultivation and direct
drilling for continuous barley at South Road, 1971 and
1972. SIAE Departmental Note No. SIN/197, January 1976.
Soane, B.D. (1976) Soil responses to reduced cultivation and direct
drilling for continuous barley at South Road: Preliminary
Studies 1967. SIAE Departmental Note No. SIN/196, January 1976.
Soane, B.D. (1979) Soil suitability and management for direct drilling.
Scot. Agric. Colleges Tech. Note 31, Paper 2, 14pp.
Soane, B.D. and Pidgeon, J.D. (1975) Tillage requirement in relation to
soil physical properties. Soil Science 119, No.5,
376-384.
Soane, B.D., Butson, M.J. and Pidgeon, J.D. (1975) Soil/machine
interactions in zero-tillage for cereals and raspberries in
Scotland. Outlook on Agriculture 8, 221-226.
Soane, B.D., Campbell, D.J. and Herkes, S.M. (1970) Cultivations in
relation to continuous barley growing. II. Soil physical
conditions. Proc. Int. Conf. Tillage Res. Methods, Silsoe, 58-76.
Stengel, P., Douglas, J.T., Guerif, J., Goss, M.J., Monnier, G. and
Cannell, R.Q. (1984) Factors influencing the variation of
some properties of soils in relation to their suitability for direct
drilling. Soil & Tillage Research 4, 35-53.