Sietze Vellema

Projects

Projects per year 2006 2009 2012 2013 2014 2017 2023

• 7 Active
• 25 Finished

Projects per year

Search results

• Finished

  Greening livestock: Incentive-based interventions for reducing the climate impact of livestock in East Africa

  Kihoro, E., Vellema, S. & Crane, T.

  1/10/17 → 7/12/22

  Project: PhD

• Unravelling the inclusion of smallholder farmers in markets: The case of self-organised and farmer-led auctions trading chilli in rural Java

  Untari, D., Leeuwis, C. & Vellema, S.

  1/11/16 → 10/01/23

  Project: PhD

  • auction 100%
  • farmer 78%
  • market 31%
  • inclusion 30%
  • Market Access 13%

• Partnerships, inclusive development and scaling

  Vellema, S.

  1/12/14 → 31/12/17

  Project: Staff

• The systemic nature of Fusarium wilt: developing the methodological foundation for an integrative analysis of biology-society interaction

  Vellema, S.

  1/09/14 → 31/12/18

  Project: PostDoc

• Concerted action, pockets of effective bureaucracy and conductive contexts in West-African cocoa governance and extension service delivery

  Muilerman, S., Leeuwis, C. & Vellema, S.

  1/07/14 → 15/10/19

  Project: PhD

  • scaling 100%
  • Service delivery 85%
  • regime 67%
  • innovation 40%
  • farmer 28%

• Food security, governance and embedded coordination in value chains: understanding institutional viability in the Ugandan oilseed sector

  Schoonhoven-Speijer, M. H. A., Leeuwis, C. & Vellema, S.

  1/01/14 → 22/10/21

  Project: PhD

  • food 100%
  • market 81%
  • farmer 40%
  • Uganda 18%
  • development policy 16%

• Making value chains more fair through partnering

  Vellema, S. & Schouten, G.

  1/05/13 → 30/11/14

  Project: PostDoc

• Cooperation in trading - an analysis of associotional and organizational sustainability in rural Mali

  Mangnus, E., Leeuwis, C. & Vellema, S.

  1/01/13 → 9/09/15

  Project: PhD

  • Mali 100%
  • know how 30%
  • farmer 26%
  • agricultural product 21%
  • market 19%

• Global social justice and technology-use

  Vellema, S., Maat, H., Sherwood, S., Verweij, M. & Ludwig, D.

  1/01/13 → 1/01/22

  Project: Staff

• Maintaining or crossing boundaries in integrative research

  Vellema, S., Aarts, N., Leeuwis, C., Jansen, K., van Paassen, A. & van Bommel, S.

  1/01/13 → 1/01/18

  Project: Staff

• Territorial marketing as strategic tool for the development of agrifood chains: the case of Morocco

  Donner, M., Leeuwis, C. & Vellema, S.

  1/10/12 → 10/06/16

  Project: PhD

  • marketing 100%
  • stakeholder 85%
  • food 85%
  • economics 79%
  • France 71%

• Oversight configuration and sustainability in global commodity chains. Learnings from cocoa.

  Uribe Leitz, E., Oosterveer, P. & Vellema, S.

  1/09/12 → 10/01/23

  Project: PhD

  • sustainability 100%
  • commodity 72%
  • West Africa 17%
  • audit 14%
  • research focus 14%

• Panama Disease in Banana: Multi-level solutions for a global problem

  Vellema, S., Stoorvogel, J. & Jansen, K.

  1/01/12 → 31/12/18

  Project: Staff

• Reg.transities: innovatiekracht PPS samenwerking (KB-16-005-002)

  Vellema, S.

  18/11/11 → 31/12/11

  Project: EZproject

• Regionale transities: versterken innovatiekracht in PPS samenwerking (KB-16-002.01-002, KB-07-007-007)

  Vellema, S.

  1/01/10 → 31/12/12

  Project: EZproject

• Technological learning in the flower sector: How do Ethiopian rose farms develop technological capabilities

  Debele, D., Richards, P. & Vellema, S.

  1/04/09 → 29/10/14

  Project: PhD

  • technology transfer 100%
  • know how 87%
  • farm 61%
  • Code of Practice 46%
  • Ethiopia 31%

• Mechanisms of exclusion and inclusion in Malian shea realm: an integrative analysis of performance and collective action

  Sidibe, A., Kuijper, T. & Vellema, S.

  1/04/09 → 10/12/13

  Project: PhD

• The making of quality: a technography of small scale palm oil processing in Ghana

  Adjei, B., Richards, P. & Vellema, S.

  1/04/09 → 28/10/14

  Project: PhD

  • Ghana 100%
  • firm 79%
  • Group 30%
  • market 24%
  • fluctuation 23%

• Partnerschip and the division of labour in the making of clean planting materials: a technography of socially embedded team work in banana and Irish Potato tissue culture engineering in the central highlands of Kenya

  Ndubi, J., Richards, P. & Vellema, S.

  1/04/09 → 30/11/15

  Project: PhD

  • Material Problems 100%
  • micro-politics 84%
  • selection procedure 79%
  • group work 63%
  • Kenya 61%

• Technologie effecten op organisatievormen waaronder gezinsbedrijf (KB-07-003-0012)

  Vellema, S.

  1/01/09 → 31/12/09

  Project: EZproject

• Viable Chain Configurations 2008 (KB-03-003-010)

  Vellema, S.

  1/01/09 → 31/12/09

  Project: EZproject

• Mogelijkheden om met instituties te experimenteren (KB-07-004-0008)

  Vellema, S.

  1/01/09 → 31/12/09

  Project: EZproject

• Exploring the window of opportunity for sustainable fresh produce consumption in Vietnam. Beyond the western paradigms of consumption

  Wertheim-Heck, S., Spaargaren, G. & Vellema, S.

  1/01/08 → 20/11/15

  Project: PhD

  • vegetables 100%
  • food safety 97%
  • Vietnam 87%
  • food 29%
  • market 23%

• Local and international value chains: the viability of innovation networks and institutional arrangements

  Vellema, S.

  1/01/07 → 31/12/15

  Project: Staff

• Technology horizons: theory and practice of integrative research

  Vellema, S., Richards, P., Almekinders, C., Jansen, K., Maat, H. & Crane, T.

  1/05/06 → 31/12/13

  Project: Staff