Robert Tripp
4 published titles
Planned change in farming systems : progress in on-farm research
(Contributor)
1 edition
- ISBN: 0471934178
- Wiley
- 1991
- Details
New seed and old laws : regulatory reform and the diversification of national seed systems
(Contributor)
1 edition
- ISBN: 1853394157
- Intermediate Technology on behalf of the Overseas Development Institute
- 1997
- Details
Seed provision & agricultural development : the institutions of rural change
1 edition
- ISBN: 032507075X
- Overseas Development Institute
- 2001
- Details
Self-sufficient agriculture : labour and knowledge in small-scale farming
1 edition
- ISBN: 9781844072972
- Earthscan
- 2006
- Details
