Episode details
Available for over a year
Regulating chemical residues in farm produce. South Pacific farmers in Tonga and their high quality export crop, vanilla. The power of nature is harnessed to undo poor irrigation practice.
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Regulating chemical residues in farm produce. South Pacific farmers in Tonga and their high quality export crop, vanilla. The power of nature is harnessed to undo poor irrigation practice.
Programme Website