Landcare Research - Manaaki Whenua

Landcare-Research -Manaaki Whenua

Carolyn Hedley

Carolyn Hedley
Position: Soil Scientist
Team: Soils & Landscapes
Location: Palmerston North
Private Bag 11052
Manawatu Mail Centre
Palmerston North 4442
Phone: +64 6 353 4904
Mob: 021 039 2190
Fax: +64 3 321 9998

Contact Carolyn

Qualifications

Qualifications

  • Massey
    PhD Soil Science
    2010
  • Massey
    MPhilSc Soil Science
    1978
  • Reading
    BSc Soil Science
    1976

Publications

Publications

  • Hewitt A, Webb T, Dominati E, Hedley C 2012. Soil natural capital definition using land evaluation principles. In: Minasny B, Malone BP, McBratney AB ed. Proceedings: Digital soil assessments and beyond: proceedings of the Fifth Global Workshop on Digital Soil Mapping, Sydney, Australia, 10-13 April 2012. Pp. 15-18. http://www.sluri.org.nz/Objectives/DownloadOutput/226 (Conference Proceedings, 2012)
  • Irrigation New Zealand Magazine 2012 Precision Irrigation Lindsay 2012 VRI enhancement project on track for massive return. Advertorial in Irrigation New Zealand Autumn March 2012 issue, p.12 (Popular/Trade Journal, 2012)
  • Groundbreaker 2012 ‘Canterbury Dairy Farm Soaks up Benefits from Variable Rate Irrigation’. Issue 130:8-9. (Popular/Trade Journal, 2012)
  • Ravensdown 2011 Precision agriculture in practice - the value of variable rate application Autumn 2011 newsletter, p.16-17. (Popular/Trade Journal, 2012)
  • Bloomer D 2012 Water management a whole farm project. In Irrigation New Zealand Autumn March 2012 issue, p.9. (Popular/Trade Journal, 2012)
  • Hedley C 2012. VRI trials move into final year. IrrigationNZ news (Winter): 42. http://www.irrigationnz.co.nz/assets/Uploads/IrrigationNZ-News-June-2012-Final-lores.pdf (Journal Article, 2012)
  • Hewitt A, Webb T, Dominati E, Hedley C 2012. Soil natural capital basis for land evaluation. Proceedings: 5th Global Workshop on Digital Soil Mapping 2012: Digital Soil Assessments & Beyond ... University of Sydney, Australia, 10-13 April 2012. (Conference Proceedings, 2012)
  • Roudier P, Hedley C, Ross C 2012. Farm-scale mapping of soil organic carbon using visible-near infra-red spectrscopy. In: Currie LD, Christensen CL ed. Proceedings: Advanced Nutrient Management: Gains from the Past - Goals for the Future,, Massey University, Palmerston North, New Zealand, February 2012. Pp. 7. http://www.massey.ac.nz/~flrc/workshops/12/Manuscripts/Roudier_2012.pdf (Conference Proceedings, 2012)
  • Hedley C, Ekanayake J, Roudier P 2012. Wireless soil moisture sensor networks for precision irrigation scheduling. In: Currie LD, Christensen CL ed. Proceedings: Advanced Nutrient Management: Gains from the Past - Goals for the Future, Massey University, Palmerston North, New Zealand, February 2012. Pp. 10. http://www.massey.ac.nz/~flrc/workshops/12/Manuscripts/Hedley_2012.pdf (Conference Proceedings, 2012)
  • Hedley CB, Payton IJ, Lynn IH, Carrick ST, Webb TH, McNeill S 2012. Random sampling of stony and non-stony soils for testing a national soil carbon monitoring system. Soil research 50(1): 18-29. http://www.publish.csiro.au/paper/SR11171 (Journal Article, 2012)
  • Hedley CB, Payton IJ, Lynn IH, Carrick ST, Webb TH, McNeill S 2012. Random sampling of stony and non-stony soils for testing a national soil carbon monitoring system. Soil research 50(1): 18-29. http://www.publish.csiro.au/paper/SR11171 (Journal Article, 2012)
  • Hedley C, Bradbury S, Watson E, Dalrymple H, Wright J 2011. Farm scale trials of variable rate irrigation to assess the benefits of modifying existing sprinkler systems for precision application. International Journal of Agricultural Management 1(2): 51-55. http://www.ingentaconnect.com/content/iagrm/ijam/2011/00000001/00000002/art00008 (Journal Article, 2011)
  • 2011. Soil Horizons (Special issue: soil carbon) 19. 16 p. http://www.landcareresearch.co.nz/publications/newsletters/soilhorizons/Soil_Horizons_19.pdf (Serial, 2011)
  • Kusumo BH, Hedley MJ, Hedley CB, Tuohy MP 2011. Measuring carbon dynamics in field soils using soil spectral reflectance: prediction of maize root density, soil organic carbon and nitrogen content. Plant and Soil 338(1-2): 233-245. http://dx.doi.org/10.1007/s11104-010-0501-4 (Journal Article, 2011)
  • Hedley CB, Roudier P, Yule IJ, Ekanayake J, Bradbury S 2011. Soil water status and water table modelling using EM surveys for precision irrigation scheduling. Proceedings: Second Global Workshop on Proximal Soil Sensing, Montreal, Canada, May 15-18, 2011. Pp. 8-11. http://adamchukpa.mcgill.ca/gwpss/Papers/GWPSS_2011_Hedley.pdf (Conference Proceedings, 2011)
  • Hedley C, Yule IJ 2011. Soil water status maps for variable rate irrigation. 11 11 In: Clay DE, Shanahan JF ed. GIS applications in agriculture. Vol. 2 Nutrient management for energy efficiency. Boca Raton, FL, CRC Press. Pp. 173-190. (Book Section, 2011)
  • Kusumo BH, Hedley MJ, Hedley CB, Arnold GC 2010. Predicting pasture root density from soil spectral reflectance : field measurements. European journal of soil science 61(1): 1-13. (Journal Article, 2010)
  • Hedley CB, Bradbury S, Ekanayake J, Yule IJ, Carrick S 2010. Spatial irrigation scheduling for variable rate irrigation. Proceedings: Proceedings of the New Zealand Grasslands Association Lincoln, 14-18 November 2010. Pp. 97-102. (Conference Proceedings, 2010)
  • Lee A 2010 Watering smarter, not harder. Dairy Exporter, December 2010, p. 37. (Popular/Trade Journal, 2010)
  • Hedley C, Bradbury S 2010. [Abstract] Variable rate irrigation and EM38 soil moisture mapping- the next step. Proceedings: Irrigated agriculture - NZ's economic future and more, Christchurch Convention Centre, 26-28 April, 2010. Pp. 19-20. (Conference Proceedings, 2010)
  • Kusumo BH, Hedley MJ, Hedley CB, Hueni A, Arnold GC, Tuohy MP 2009. The use of Vis-NIR spectral reflectance for determining root density: evaluation of ryegrass roots in a glasshouse trial. European journal of soil science 60(1): 22-32. http://dx.doi.org/10.1111/j.1365-2389.2008.01093.x (Journal Article, 2009)
  • Hedley CB, Kusomo BH, Hedley MJ, Tuohy MP, Hawke M 2009. Soil C and N sequestration and fertility development under land recently converted from plantation forest to pastoral farming. New Zealand journal of agricultural research 52: 443-453. (Journal Article, 2009)
  • Hedley CB, Yule IJ 2009. A method for spatial prediction of daily soil water status for precise irrigation scheduling. Agricultural water management 96: 1737-1745. (Journal Article, 2009)
  • Hedley C, Yule I, Tuohy M, Vogeler I 2009. Key performance indicators for variable rate irrigation implementation on variable soils. Proceedings: 2009 ASABE Annual International Meeting, Grand Sierra Resort and Casino, Reno, Nevada, 21-24 June, 2009. (Conference Proceedings, 2009)
  • Viscarra Rossel R and others. 2008. The Soil Spectroscopy Group. Making a Global Soil Spectral Library. Presentation at 3rd global workshop on Digital Soil Mapping, Logan, Utah 30/9-3/10 2008. (Conference Proceedings, 2009)
  • Hedley CB, Yule IJ, Bradbury S 2009 EM mapping for variable rate irrigation scheduling. Presentation at LandWise Conference “Confronting Climate Challenges with Advanced Farming Systems”, Havelock North 13-14 May, 2009. (Conference Proceedings, 2009)
  • Hedley CB, Yule IJ, Tuohy M, Collins A (2008) Development of high resolution proximal sensing methods for mapping daily soil water status for variable rate irrigation. In Proceedings Joint Conference of the New Zealand and Australian Soil Science Societies Soils 2008 Conference, 30 November - 5 December, 2008, Palmerston North, New Zealand. (Conference Proceedings, 2009)
  • Hedley CB, Yule IJ, Bradbury S, Scotter D, Vogeler I, Sinton S 2009. Water use efficiency indicators for variable rate irrigation of variable soils. In: Trotter MG, Garraway EB, Lamb DW ed. Proceedings: 13th Symposium on Precision Agriculture in Australasia, University of New England, Armidale N.S.W., 10-11 September, 2009. Pp. 44-46. (Conference Proceedings, 2009)
  • Hedley CB, IJ Yule, MP Tuohy and BH Kusumo. 2008. Development of proximal sensing methods for mapping soil water status in an irrigated maize field. Book chapter accepted for Special Edition Book from IUSS 1st Global Workshop on High Resolution Digital Soil Sensing and Mapping, 5-8 February 2008, Sydney, Australia. “Proximal sensing for high resolution soil mapping” Eds. RA Viscarra-Rossel, AB McBratney, B Minasny. Springer Publishers, In Press. (Book Chapter, 2008)

Memberships

Memberships

  • National Co-ordinator, NZ Soil Carbon Research network
  • SCAANZ Representative, Soil Carbon Accounting Across Australia and New Zealand

Skills

Skills

  • Soil Science
  • Soil water use efficiency and irrigation
  • Soil carbon storage
  • proximal soil sensing (electromagnetic; Vis-NIR spectroscopy)
  • high resolution spatio-temporal modelling
  • spatial variability