Tulloch Bibliography

Willoughby, C., Topp, C.F.E., Hallett, P.D., Stockdale, E.A., Stoddard, F.L., Walker, R.L., Hilton, A.J., Watson, C.A. (2022) New approach combining food value with nutrient budgeting provides insights into the value of alternative farming systems. Food Energy and Security 11 (4), e427. [Available online at: https://doi.org/10.1002/fes3.427]

MacLaren, C., Mead, A., van Balen, D., Claessens, L., Etana, A., de Haan, J., Haagsma, W., Jäck, O., Keller, T., Labuschagne, J., Myrbeck, Å., Necpalova, M., Nziguheba, G., Six, J., Strauss, J., Swanepoel, P., Thierfelder, C., Topp, C., Tshuma, F., Verstegen, H., Walker, R., Watson, C., Wesselink, M. & Storkey, J. (2022). Long-term evidence for ecological intensification as a pathway to sustainable agriculture. Nature Sustainability 5, 770–779. [Available online at: https://doi.org/10.1038/s41893-022-00911-x]                 

Döring, T.F., Rosslenbroich, D., Giese, C., Athmann, M., Watson, C., Vágó, I., Kátai, J., Tállai, M. and Bruns, C. (2020) Disease suppressive soils vary in resilience to stress. Applied Soil Ecology 149, 103482. [Available online at: https://doi.org/10.1016/j.apsoil.2019.103482]

Watson, C.A., Baddeley, J.A., Edwards, A.C., Rees, R.M., Walker, R.L. & Topp, C.F.E. (2011) Influence of ley duration on the yield and quality of the subsequent cereal crop (spring oats) in an organically managed long-term crop rotation experiment. Organic Agriculture 1, 147-159. [Available online at: https://doi.org/10.1007/s13165-011-0012-5]

Smith, L.G., Tarsitano, D., Topp, C.F.E., Jones, S.K., Gerrard, C.L., Pearce, B.D., Williams, A.G. & Watson, C.A. (2016) Predicting the effect of rotation design on N, P, K balances on organic farms using the NDICEA model. Renewable Agriculture and Food Systems 31, 471-484. [Available online at: https://doi.org/10.1017/S1742170515000381]

Ball, B.C., Griffiths, B.S., Topp, C.F., Wheatley, R., Walker, R.L., Rees, R.M., Watson, C.A., Gordon, H., Hallett, P.D., McKenzie, B.M. and Nevison, I.M. (2014) Seasonal nitrous oxide emissions from field soils under reduced tillage, compost application or organic farming. Agriculture, Ecosystems & Environment 189, 171-180. [Available online at: https://doi.org/10.1016/j.agee.2014.03.038]

Papadopoulos, A., Bird, N.R.A., Whitmore, A.P. and Mooney, S.J. (2014) Does organic management lead to enhanced soil physical quality? Geoderma 213, 435-443. [Available online at: https://doi.org/10.1016/j.geoderma.2013.08.033]

Rees, R.M., Augustin, J., Alberti, G., Ball, B.C., Boeckx, P., Cantarel, A., Castaldi, S., Chirinda, N., Chojnicki, B., Giebels, M., Gordon, H., Grosz, B., Horvath, L., Juszczak, R., Klemedtsson, Å.K., Klemedtsson, L., Medinets, S., Machon, A., Mapanda, F., Nyamangara, J., Olesen, J., Reay, D., Sanchez, L., Sanz Cobena, A., Smith, K. A., Sowerby, A., Sommer, M., Soussana, J.F., Stenberg, M., Topp, C.F.E., van Cleemput, O., Vallejo, A., Watson, C.A. & Wuta, M. (2012) Nitrous oxide emissions from European agriculture; an analysis of variability and drivers of emissions from field experiments. Biogeosciences Discussion 9, 9259-9288. [Available online at: https://doi.org/10.5194/bg-10-2671-2013]

Taylor, B.R., Younie, D., Matheson, S., Coutts, M., Mayer, C., Watson, C.A., Walker, R.L. (2006) Output and sustainability of organic ley/arable crop rotations at two sites in northern Scotland. Journal of Agricultural Science 144, 435-447. [Available online at: https://doi.org/10.1017/S0021859606006435]

Ball, B.C., McTaggart, I.P. and Watson, C.A. (2002) Influence of organic ley–arable management and afforestation in sandy loam to clay loam soils on fluxes of N2O and CH4 in Scotland. Agriculture, Ecosystems & Environment 90(3), 305-317. [Available online at: https://doi.org/10.1016/S0167-8809(01)00207-9]

Atkinson, D., Watson, C.A., Hooker, J.E. & Black, K.E. (1995) Nutrient Conservation in Organic Crop Production Systems. In: Soils in Sustainable Agriculture (Eds. H.F. Cook & H.C. Lee), Wye College Press, 54-60.

Watson, C.A. & Atkinson, D. (1995) Sustainable Farming Systems Initiative. In: Soils in Sustainable Agriculture (Eds. H.F. Cook & H.C. Lee), Wye College Press, 44-46.

Conference papers (selected)

Walker, R.L, Topp, C.F.E & Watson, C.A. (2020) Long term yield trends in four parallel organically managed crop rotations. Conference proceedings of ESA 16 – Smart Agriculture for Great Human Challenges. 1-4 September 2020, Sevilla, Spain.

Watson, C.A, Topp, C.F.E & Walker, R.L. (2019) A comparison of four contrasting experimental rotations: reflections on an organically managed rotational LTE started in 1991. In Comparing organic and conventional agricultural cropping systems - What can be learned from the DOK and other long-term trials? [Available online at: https://orgprints.org/id/eprint/36863/1/agroscope-fibl-eth-2019-long-term-trials.pdf

Walker, R.L., Watson, C.A., Topp, C.F.E., Ball, B., Buckingham, S., & Cloy, J. (2018) Influence of system design and management when comparing stocked and stockless organically managed rotations in a long-term experiment. Conference proceedings of ESA 15 – Innovative cropping and farming systems for high quality food production. 27 to 31 August 2018, Geneva, Switzerland.

Walker, R.L., Topp, C.F.E., & Watson, C.A. (2018) Impact of rotation design, pH and different fertilisation strategies on spring oat yields for 3 different long-term experiments across the same time period in Scotland. Rothamsted Research 175 year celebration conference: The future of Long Term Experiments in Agriculture. 21-23 May, 2018.

Walker, R.L. & Watson, C.A. (2016). Impact of crop sequence on pH changes in a long-term legume-based rotation experiment. Conference proceedings of ESA 14 - Growing landscapes – Cultivating innovative agricultural systems. 5-9 September 2016.

Watson, C.A., Walker, R.L., Rees, R.M. & Topp, C.F.E. (2016). Sustainable management of grass -white clover leys in arable farming systems. In Second International Legume Society Conference ILS2, Tróia , Portugal, 11 -14 October 2016. p.58.

Buckingham, S., Cloy, J.M., Walker, R.L., Watson, C.A. & Topp, C.F.E. (2015). Modelling the effect of ley-phase duration on soil carbon and nitrogen budgets with Landscape-DNDC at Tulloch (Scotland), a long-term organic rotation experimental site. Aspects of Applied Biology 128, 257-262.

Cloy, J.M., Rees, R.M., Drewer, J., Helfrich, M., Ball, B.C., Buckingham, S., Topp, C.F.E., Walker, R.L. & Watson, C.A. (2015) Assessing soil organic matter changes in an organically managed long-term crop rotation experiment. Aspects of Applied Biology 128, 111-118.

Watson, C.A., Rees, R.M. & Topp, C.F.E. (2015). Nitrogen Fixation in a Ley-Arable Rotation. Aspects of Applied Biology 128, 245-248.

Watson, C.A., Topp, C.F.E. & Walker, R.L. (2015) Long-term productivity of legume-based crop rotations. Aspects of Applied Biology 128, 189-194.

Rees, R.M., Angelopoulos, N., Ball, B.C., Drewar, J., Edwards, A.C., Helfrich, M., Te pas, C., Topp, C.F.E., Walker, R. & Watson, C.A. (2013) Does organic farming promote carbon sequestration and improve soil quality? 4th International Symposium on Soil Organic Matter 2013. 5-10 May 2013, Nanjing, China.

Walker, R.L., Edwards, A.C. & Watson, C.A. (2013) Nutrient cycling and soil fertility associated with long-term field experiments established in 1922 onwards. AAB Farming System Design Workshop. 6th March 2013, Newcastle, UK.

Iannetta, P., Begg, G., Young, M., Topp, C. F. E, Watson, C. A., Rees, R. M., & Squire, G. (2012) A nitrogen-budget analysis of legume supported cropping systems from across Europe. 12th Congress of the European Society for Agronomy, Helsinki, Finland, pp. 2012.

Topp, C.F.E., Rees, R.M. & Watson, C.A. (2011) Age of grass-clover sward: does it affect the predictions N fixed for subsequent crops? Aspects of Applied Biology 113, 89-92.

Walker, R.L. & Watson, C.A. (2011) Are inadequate soil populations of complimentary rhizobia restricting UK self sufficiency in legume protein? Aspects of Applied Biology 109, 71-77.

Walker, R.L., Watson, C.A., Armstrong, G. & Ball, B. (2011) The effects of crop rotation and soil management on worm activity and general soil health. Aspects of Applied Biology 113, 149-154.

Walker, R.L. (2010) Nutrient dynamics of organic cropping systems: a tricky balance. Proceedings of 15th World Fertilizer Congress of the International Scientific Centre for Fertilizers (CIEC), Bucharest, Romania, 29 Aug – 2 Sept, p.139-147.

Walker, R.L., Edwards, A.C., Watson, C.A., Campbell, C.D., Hillier S. & Morrice L. (2010) Nutrient cycling and soil fertility information gained from various long-term field experiments established on a granitic derived soil located in NE Scotland. Proceedings of 15th World Fertilizer Congress of the International Scientific Centre for Fertilizers (CIEC). Bucharest, Romania, 29 Aug – 2 Sept, p.503-512.

Watson, C.A., Topp, C.F.E. and Walker, R.L. (2010) Long-term rotational experiments – pointers for the future. Agro2010, the XI ESA Congress, Montpellier, pp. 793-794.

Ball,B., Hallett, P., Wheatley, R., Griffiths, B., Walker, R., Rees, R. & Watson, C. (2009) Trace gas emissions and minimum tillage, compost application and organic farming. Proceedings of the BSSS Meeting, Soil Quality = Environment Quality, Wexford 9-11 September 2009.

Topp, C.F.E., Walker, R.L., Watson, C.A., van der Burgt, G-J. (2009) Nitrogen dynamics in legume-based rotations. “More Sustainability In Agriculture: New Fertilizers And Fertilization Management”. Proceedings of the 18th Symposium of the International Scientific Centre of Fertilizers, 8th to 12th November 2009, Rome, pp. 399-404.

Walker, R.L., Pappa, V.A., Rees, R.M., Baddeley, J.A., Watson, C.A. (2009) Effects of cereal / legume intercrops within a rotation. “More Sustainability In Agriculture: New Fertilizers And Fertilization Management”. Proceedings of the 18th Symposium of the International Scientific Centre of Fertilizers, 8th to 12th November 2009, Rome, pp. 393-398.

Griffiths, B., Hallett, P., Bohanec, M., Osler, G. and Ball, B.C., (2008) A qualitative multi-attribute model for assessing the impact of management options on soil sustainability. In Agriculture and the environment VII: Land management in a changing environment (eds. K. Crighton, R. Audsley), Proceedings of the SAC and SEPA biennial conference, Edinburgh (pp. 63-67).

Topp, C.F.E, Rees, R.M., Walker, R.L, & Watson, C.A. (2008) The long-term global warming potential of a crop rotation in North-East Scotland. Aspects of Applied Biology 88, 25-30.

Walker, R., Topp, K. & Watson C. (2008) Rotational Experiments and Nitrogen Dynamics: Field Experiments and Modelling. Soil Nitrogen: research and extension. Proceedings QLIF seminar, 13-15 February 2008, Driebergen, The Netherlands 23.  

McRoberts, N., Watson, C.A. & Squire, G.R. (2007) Weed community dynamics in mixed ley-arable rotations. XVI International Plant Protection Congress 2007, pp. 120-121.

Walker, R.L., Taylor, B.R., Watson, C.A. & Younie, D. (2006) Sustainability of long-term organic ley/arable crop rotations in Northern Scotland. Proceedings of the European Joint Organic Congress, 30 –31 May 2006, Odense, Denmark. pp 308-309.

Rees, R., Topp, C. & Watson, C. (2006) Delivering sustainable resource use through organically managed farming systems. Aspects of Applied Biology 80, 203-206.

Rees, R.M., Watson, C.A., Topp, C.F.E. & Sanders, I. (2006) Nitrogen fixation by white clover in organic rotations in Scotland. Quality legume-based forage systems for contrasting environments (COST 852) Ystad, Sweden, pp. 113-116.

Rees, R.M., Watson, C.A., Ball, B.C., Topp, C.F.E, Baddeley, J.A., Walker, R. & Mayer, C. (2006) The contribution of organic agriculture to sustainable land management in a temperate climate. 18th World Congress of Soil Science, Philadelphia, USA.

Topp, C.F.E. & Watson, C.A. (2006) Ploughing of grass/clover swards in an organic rotation – the impact on soil nitrogen dynamics. Aspects of Applied Biology 80, 207-212.

Topp, C.F.E., Watson, C.A., Rees, R.M. & Stockdale, E.A. (2006) Indicator systems – resource use in organic farming systems. Aspects of Applied Biology 79, 25-28.

Van der Burgt G.J.H.M., Topp C.F.E. & Watson CA (2006) Predicting soil nitrogen dynamics using NDICEA. Aspects of Applied Biology 80, 17-223.

Walker, R.L., Taylor, B.R., Watson, C.A. & Younie, D. (2006) Sustainability of long-term organic ley/arable crop rotations in Northern Scotland. Organic Farming and European Rural Development, pp. 308-309.

Wu, L., Ball, B.C., Baddeley, J.A. & Watson, C.A. (2006) Simulation of gaseous emissions of nitrogen from organic ley-arable systems under different management regimes. Aspects of Applied Biology 80, 101-103.

Rees, R.M., Watson, C.A. Topp, C.F.E. & Sanders, I. (2005) Nitrogen fixation by white clover in organic rotations in Scotland. In: Adaptation and management strategies for improved reliability in mixed swards, COST852 Conference proceedings. (Ed. B. Frankow-Lindberg) 33.

Topp, C.F.E., Watson, C.A., Rees, R.M. & Sanders, I. (2005) The prediction of biological nitrogen fixation. In XX International Grassland Congress: Offered papers. Wageningen Academic Publishers, p. 877.

Sanders, I., Watson, C.A., Rees, R.M. & Atkinson, D. (2002) Nitrogen fixation and soil nitrogen in organic ley arable rotations. Organic Research in Context, pp. 85-88.

Stockdale, E.A. & Watson, C.A. (2002) Nutrient budgets on organic farms: a review of published data. Organic Research in Context, pp. 129-132.

Topp, C.F.E., Doyle, C.J. & Watson, C.A. (2002) A framework for assessing crop production from rotations. Organic Research in Context, pp. 33-36.

Topp, C.F.E., Watson, C.A. & Stockdale, E.A. (2002) Utilising the concept of nutrients as a currency within organic farming system. Organic Research in Context, pp. 157-160.

Topp, C.F.E., Watson, C.A. & Stockdale, E.A. (2002) Nutrient budgets - their role in nutrient management. In Profitable Grass and Forage: Meeting the needs of farmer and society. BGS (Published on CD).

Sanders, I., Watson, C.A., Atkinson, D. & Rees, R.M. (2001) Effects of ley arable rotation on soil nitrogen and nitrogen fixation. Aspects of Applied Biology 63, 61-66.

Topp, C.F.E., Stockdale, E.A. & Watson, C.A. (2001) Using a nutrient budget model to predict the utilisation of nutrients within organic farming systems. In: Organic Grassland Farming, Grassland Science in Europe, Vol 6. (Eds: J. Isselstein, G. Spatz & M. Hofmann), pp. 238-240.

Sanders, I., Watson, C.A., Atkinson, D. & Rees, R.M. (2000) Temporal and spatial variability of symbiotic nitrogen fixation in organic farming systems. IFOAM 2000. The World grows Organic, pp. 94-96.

Topp, C.F.E., Fortune, S., Stockdale, E.A., Watson, C.A. & Ramsay, S. (2000) A comparison of a nitrogen budget for a conventional and an organic farming systems. Aspects of Applied Biology 62, 205-212.

Watson, C.A., Younie, D., Stockdale, E.A. & Cormack, W.F. (2000) Yield and nutrient balances of stocked and stockless organic rotations. Aspects of Applied Biology 62, 261-268.

Younie, D, Taylor, B.R. & Watson, C.A. (2000) Effect of crop rotation, manure application and site on yield and quality of organic oats. IFOAM 2000. The World grows Organic, p. 146.

Watson, C.A., Younie, D. & Armstrong, G. (1999) Designing crop rotations for organic farming: Importance of the ley-arable balance. In: Designing and Testing Crop Rotations for Organic Farming (Eds J.E. Olesen, R. Eltun, M.J. Gooding, E.S. Jensen, & U. Kopke), DARCOF Report No 1, pp. 91-98.

Watson, C.A. & Stockdale, E.A. (1999) Whole farm nutrient budgets: What do they tell us? In: Accounting for nutrients: A challenge for grassland farmers in the 21st Century (ed. A J Corrall), BGS Occasional Symposium, pp. 35-40.

Watson, C.A., Stopes, C. & Philipps, L. (1997) Nutrient cycling in organically managed crop rotations: importance of rotation design. In: Resource Use in Organic Farming (eds J. Isart & J.J. Llerena), Proceedings of 3rd ENOF Workshop, pp. 61-68.

Watson, C.A., Ritz, K., Younie, D & Franklin, M. (1996) Nitrogen and soil biomass dynamics in two crop rotations. Aspects of Applied Biology 47, 43-50.

Younie, D., Watson, C.A & Squire, G.R. (1996) A comparison of crop rotations in organic farming: Agronomic performance. Aspects of Applied Biology 47, 379-382.